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123results about How to "Improve the effect of adsorption and purification" patented technology
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Method for measuring residues of three phenoxy carboxylic acid pesticides in tobacco and tobacco products
ActiveCN102854271AEasy to handleReduce processing timeComponent separationPesticide residueCarboxylic acid
Owner:CHINA NAT TOBACCO QUALITY SUPERVISION & TEST CENT
Solid waste-based porous sewage treatment agent as well as preparation method and application thereof
ActiveCN111377665AHigh porosityThe pores are uniform and stableWater/sewage treatment by sorptionCeramicwareFoaming agentSlag
The invention relates to the technical field of preparation of sewage treatment agents, in particular to a solid waste-based porous sewage treatment agent as well as a preparation method and application thereof. The solid waste-based porous sewage treatment agent is prepared from the following raw materials in parts by weight: 20 to 60 parts of red mud, 30 to 50 parts of mineral powder, 10 to 30 parts of fly ash, 10 to 30 parts of steel slag, 8 to 10 parts of zeolite, 6-8 parts of a foaming agent, 4-6 parts of an excitant and 6-8 parts of a foam stabilizer. According to the technical scheme, the red mud, the mineral powder, the coal ash and the steel slag serve as main raw materials, the solid waste utilization rate is high, the manufacturing process is simple, the cost is low, and the prepared sewage treatment agent is high in pollutant removal rate.
Owner:SHANDONG UNIV
Wastewater purification active coke adsorbent and preparation method thereof
InactiveCN101766990AGood adsorption and purification performanceAdvanced preparation technologyOther chemical processesWater/sewage treatment by sorptionTarChemistry
The invention provides a wastewater purification active coke adsorbent and a preparation method thereof, and the wastewater purification active coke adsorbent is obtained by carrying out the steps of deashing, kneading, molding, drying, carbonization, activation and the like on lignite and coking coal which are crushed into a certain fineness, as well as tar, asphalt, solid metal salts and water. The wastewater purification active coke adsorbent prepared by adopting the raw materials and the method not only realizes good purification effect, but also has the advantages of low cost, simple preparation and strong practicality.
Owner:赵英杰
High performance liquid chromatography-tandem mass spectrometry measuring method of three amide herbicides in tobacco and tobacco products
InactiveCN103308641AGood effectReduce processing timeComponent separationPesticide residueSolid phase extraction
Owner:CHINA NAT TOBACCO QUALITY SUPERVISION & TEST CENT
Environment-friendly type paint spray booth capable of removing paint mist
InactiveCN107282352AReasonable structureEasy to operateLiquid surface applicatorsSpraying apparatusLacquerSpray nozzle
The invention discloses an environment-friendly paint mist removal spray booth, which comprises a water storage tank, an air extraction pipe, a paint spray booth, an atomizing nozzle and an air uniform cover. The board divides the interior of the spray booth into an equipment room and a paint mist removal chamber. A horizontal partition is installed at the bottom of the paint mist removal chamber, and the horizontal partition is fixed on the inner wall of the spray booth and the side wall of the vertical partition. A reservoir is formed between the horizontal partition, the spray booth and the vertical partition; the cavity on the top of the reservoir is set as a negative pressure chamber, and several suction pipes are connected to the bottom side of the horizontal partition. Tube; it is convenient for the spray gun to spray paint on the surface of the painted parts, realize the circulation of air, and facilitate the removal of paint mist in the cavity. The combination of the air blowing down and containing the paint mist realizes the removal of the paint mist by the water mist and further improves the purification effect of the paint mist.
Owner:WENCHENG JIANCHUANG TECH
Controllable subsurface artificial wetland sewage treatment system with inflowing at two ends periodically and alternately and treatment technology thereof
InactiveCN106966507AImprove the growth differenceImprove blockageBiological treatment apparatusTreatment with aerobic and anaerobic processesConstructed wetlandWater treatment system
The invention discloses a controllable subsurface artificial wetland sewage treatment system with inflowing at the two ends periodically and alternately and a treatment technology thereof. The system comprises a wetland inlet water distribution area, a wetland body part and a wetland outlet water collection area, wherein the water distribution area and the water collection area are positioned at the two ends of the whole system and form a symmetrical structure; the wetland body part is positioned between the wetland inlet water distribution area and the wetland outlet water collection area. Water inlet pipes are embedded in the upper parts of the walls on the side surfaces of the wetland inlet water distribution area and the wetland outlet water collection area, and more than two lines of water out pipes which are parallel with one another are embedded in the walls below the water inlet pipes. The wetland body part comprises a wetland matrix padding positioned at the bottom of the body part and economic plants planted on the wetland matrix padding. The sewage treatment system improves the growth conditions with obvious difference caused by uneven concentrations of nutrients of the plants at the front end and the rear end of a wetland in the traditional wetland system by periodically changing wetland water inlet points, and obtains good economic benefit while realizing the recycling of nitrogen and phosphorus in sewage.
Owner:SOUTHEAST UNIV
Laminated adsorption ball for flue gas filtration
InactiveCN110711440AGuaranteed adsorption efficiencyNot easy to gatherDispersed particle filtrationFlue gasFiltration
The invention discloses a laminated adsorption ball for flue gas filtration, and belongs to the field of flue gas adsorption environmental protection. According to the laminated adsorption ball for flue gas filtration, a plurality of outer interval vertex angles can be arranged, and when a plurality of the adsorption balls are placed together, a gap is formed between every two adsorption balls, sothat flue gas can smoothly enter the plurality of adsorption balls, the adsorption balls are unstable under the impact of flue gas, the effect of the steel balls in a gas storage interlayer cavity ismatched to allow the adsorption balls to shake, the position of an adsorbent in the adsorption balls can be changed along with the shaking of the adsorption balls all the time so that the adsorbent can adsorb flue gas more uniformly, and the adsorption efficiency is improved. After the flue gas enters three-dimensional crossed net plates, the permeability between the three-dimensional crossed netplates enables the liquidity between the flue gas to be good, then the time of the flue gas passing through the adsorbent in the inner transparent shell is effectively prolonged, and therefore the flue gas adsorption effect is further improved.
Owner:徐州顺平生物科技有限公司
Diatom mineral crystal purified granules containing shell powder and preparation method thereof
InactiveCN107243322AImprove the effect of adsorption and purificationImprove stabilityOther chemical processesAlkali metal oxides/hydroxidesTO-18Activated carbon
The invention relates to the field of environment-friendly purified materials, in particular to diatom mineral crystal purified granules containing shell powder and a preparation method thereof. The purified granules comprise the following components in parts by mass: 40 to 50 parts of diatomite, 20 to 30 parts of the shell powder, 8 to 16 parts of activated carbon, 12 to 28 parts of attapulgite, 6 to 18 parts of sepiolite, 0 to 10 parts of kaolin, 6 to 8 parts of titanium dioxide, 0 to 0.8 part of anion powder, 8 to 12 parts of quartz sand and 12 to 20 parts of activated metal oxide. The preparation method comprises the following preparation steps: according to the diatom mineral crystal purified granules containing the shell powder, the shell powder and other raw materials are added into the components, so that adsorbing and purifying properties can be greatly improved; the added shell powder can replace the graphene, the stability is improved and the production cost is greatly reduced; and the diatom mineral crystal purified granules containing the shell powder do not need to be insolated for many times during use, so that secondary pollution is avoided.
Owner:包鑫
CS2 adsorbing material and its prepn method and application
InactiveCN1846847AImprove adsorption capacityImprove the effect of adsorption and purificationOther chemical processesFiberCopper sulfate
The CS2 adsorbing material is active carbon fiber with attached copper sulfate. It is prepared through soaking active carbon fiber in copper sulfate solution and drying; or through spraying copper sulfate solution to active carbon fiber and stoving; or through soaking active carbon fiber in copper sulfate solution, drying, spraying copper sulfate solution to active carbon fiber and stoving. The CS2 adsorbing material has excellent CS2 adsorbing capacity, and may be used for adsorbing CS2 in both opened space and sealed space so as to purify air.
Owner:侯立安
Direct drinking water treatment membrane containing graphene micro-sheet as well as preparation method thereof
InactiveCN108745003ALarge specific surface areaImprove the effect of adsorption and purificationSemi-permeable membranesGeneral water supply conservationAdhesiveWater safety
The invention belongs to the technical field of a water treatment membrane and provides a direct drinking water treatment membrane containing a graphene micro-sheet as well as a preparation method thereof. The method comprises the following steps: performing interfacial polymerization on the surface of a porous ceramic substrate through m-phenylenediamine and trimesoyl chloride to generate a polyamide desalination layer, sequentially coating a polyacrylamide adhesive, depositing the graphene micro-sheet, coating the polyacrylamide adhesive and depositing the graphene micro-sheet, and performing laser drying and curing to prepare the direct drinking water treatment membrane. Compared with the traditional method, the preparation method has the following advantages: in the direct drinking water treatment membrane prepared by the method, the graphene micro-sheet is fixed on the treatment membrane in an initial state by the polyacrylamide adhesive, so that high specific surface area and excellent adsorbing and purifying capabilities of the graphene micro-sheet are guaranteed; and when the direct drinking water treatment membrane is applied treatment of direct drinking water, each layerof the treatment membrane with a multi-layer composite structure is synergistically purified and adsorbed, and a large amount of nanoscale impurities in the water can be adsorbed, so that drinking water safety is guaranteed.
Owner:CHENDU NEW KELI CHEM SCI CO LTD
Preparation method of medical stone purifying agent for adsorbing and decomposing formaldehyde
InactiveCN102872796AGood adsorption and purificationLarge adsorption capacityOther chemical processesDispersed particle separationActive componentDesorption
The invention provides a preparation method of a medical stone purifying agent for adsorbing and decomposing formaldehyde, and the preparation method comprises the following steps of: (1) taking potassium permanganate and putting potassium permanganate into a container; adding de-ionized water and heating to 50-80 DEG C; agitating and dissolving to obtain a solution for further use, wherein the solution is a deep purple immersing solution and the concentration is 3-11%; (2) adding medicine stone grains into the prepared immersing solution, wherein the immersing modifying temperature is 40-60 DEG C; agitating for 1-2 hours; filtering and drying at 100-140 DEG C to obtain the medical stone purifying agent; and (3) putting the prepared medical stone purifying agent into a space needing to adsorb the formaldehyde, and after adsorbing the formaldehyde by the medical stone grains with more pores, oxidizing and decomposing to obtain pollution-free carbon dioxide and water desorption. According to the preparation method disclosed by the invention, a strong oxidant is used as an active component to be prepared into a solution; a medical stone carrier is subjected to oxidizing modification and the formaldehyde is oxidized and decomposed into the pollution-free carbon dioxide and the water desorption, and the effect on adsorbing and purifying the formaldehyde is very good.
Owner:烟台迪康环境科技有限公司
Carbon monoxide conversion catalyst carrier, catalyst based on carrier, and preparation method thereof
ActiveCN105032497AImproves hydration resistanceHigh mechanical strengthHydrogenCatalyst carriersAluminum IonHigh absorption
The invention provides a catalyst carrier with conversion and adsorption purification performances. Modified bauxite added into the raw materials of the catalyst carrier has fluxing and pore-forming functions. Through modification, most of iron oxide in bauxite is removed, such that the modified bauxite contains a large amount of high-activity aluminosilicate compound. As a fluxing agent, during catalyst preparation, the aluminosilicate compound assists in significantly improving the migration rates of magnesium and aluminum ions during a roasting process, such that MgAl2O4 generation under low temperature is promoted. Therefore, the catalyst carrier provided by the invention has relatively high hydration resistance and mechanical strength. Also, with the modification treatment, modified bauxite is adopted as a macroporous hard template for preparing the catalyst. With a roasting treatment, macro-pores are formed in the catalyst carrier structure, such that the catalyst carrier has relatively high absorption purification capacity upon macromolecular particles such as oil and dust.
Owner:FUJIAN PROVINCE SINOGASHOLDER EQUIP INSTALLATION CO LTD
Spray tower for methane chloride tail gas treatment
InactiveCN109529551AEasy to replaceImprove adsorption capacityDispersed particle separationStationary filtering element filtersFiberWater storage tank
The invention discloses a spray tower for methane chloride tail gas treatment. The spray tower comprises a spray tower body and a water storage tank, a spray tower bracket is fixedly installed at thebottom of the spray tower body, one side bottom of the spray tower body is fixedly equipped with an air inlet, the top of the spray tower body is fixedly equipped with an air outlet, and a water outlet of the spray tower body is in fixed connection with one side bottom of the water storage tank through a connecting pipe. The spray tower for methane chloride tail gas treatment provided by the invention is provided with activated carbon fiber to facilitate adsorption and purification of tail gas, and the activated carbon fiber has stronger adsorption capacity on organic gas than granular activated carbon, thus improving the adsorption efficiency. Regular opening of a box door enables extraction of a tail gas adsorption mechanism, thus facilitating replacement of the activated carbon fiber between an upper cover plate and a lower cover plate. A water curtain formed by a water trough, a first flow guide plate and a second flow guide plate facilitates preliminary purification of the tail gas and reduces the purification pressure of activated carbon fiber.
Owner:JIANGSU LEE & MAN CHEM
Deodorizing and antibacterial 3D (three-dimensional) printing reed fiber composite material and preparation method and application thereof
InactiveCN106995597AImprove mechanical propertiesGood deodorizing and antibacterial functionAdditive manufacturing apparatusActivated carbonFibrous composites
The invention discloses a deodorizing and antibacterial 3D (three-dimensional) printing reed fiber composite material and a preparation method and application thereof. The deodorizing and antibacterial 3D printing reed fiber composite material is prepared from the following components in parts by weight: 50 to 95 parts of macromolecular polymer, 5 to 30 parts of reed fiber, 0.01 to 0.2 part of coupling agent, 1 to 10 parts of toughener, 1 to 30 parts of activated carbon, and 0.1 to 5 parts of antibacterial agent. The deodorizing and antibacterial 3D printing reed fiber composite material has the advantages that on the basis of maintaining the original property of the macromolecular material polymer, the self antibacterial and mildew-proof abilities are improved, and the deodorizing function is improved.
Owner:GUANGZHOU FEISHENG HIGH POLYMER MATERIAL CO LTD +1
Integral municipal sewage treatment device
InactiveCN107298495AEasy to cleanImprove uniformityTreatment involving filtrationMultistage water/sewage treatmentActivated carbonWastewater
The invention discloses an integrated municipal sewage treatment device, which comprises a first box body and a second box body, the lower end of the first box body is connected with the top left end of the second box body, and the top sealing cover of the first box body is A sewage inlet pipe is installed on the top, a filter screen is installed inside the first box, a blocking ball is installed at the inner lower part of the first box, a telescopic cylinder is installed at the left end of the second box, and a telescopic cylinder is installed at the middle of the second box. Rotating shaft, the right end of the second box is also provided with a driving motor connected to the rotating shaft, the left end of the rotating shaft is equipped with a stirring blade, and the right side of the stirring blade is respectively installed with a left mesh baffle and a right mesh baffle on the rotating shaft , the left net baffle and the right net baffle are also connected and fixed by a plurality of connecting rods, and activated carbon particles are filled between the left net baffle and the right net baffle. The invention has novel structure, convenient control and use, good sewage purification treatment effect, and high popularization and application value when applied to municipal sewage treatment.
Owner:苏清凉
Odor treatment device for garbage leachate treatment station
InactiveCN110906351AGuarantee governance effectivenessReduce contentGas treatmentDispersed particle filtrationEnvironmental engineeringRefuse Disposals
The invention provides an odor treatment device for a garbage leachate treatment station, and relates to the technical field of garbage treatment. The odor treatment device for the garbage leachate treatment station comprises a combustion treatment box, a heat exchange box and an adsorption box. A supporting frame is of a frame structure, and the combustion treatment box is installed in the bottomof the supporting frame. The gas inlet end of a filtering pipe communicates with an odor conveying pipeline, the gas outlet end of the filtering pipe communicates with the gas inlet end of the bottomof the combustion treatment box, and a filtering screen cylinder is located inside the filtering pipe. A gas channel is formed inside the combustion treatment box, three fuel gas ignition openings are formed in the front end of the combustion treatment box, and sealing baffles are installed in the three fuel gas ignition openings in a rotating mode. By the adoption of the odor treatment device for the garbage leachate treatment station, when the odor enters the interior of the device and circulates up and down, the fuel gas which is discharged by fuel gas nozzles can be ignited, the odor which is located inside the gas channel and is in a rising state is subjected to the repeated high-temperature combustion treatment in the combustion mode, the odor can have a reaction in the high-temperature state, the hazard of the odor to the external environment is reduced, and the odor treatment effect is guaranteed.
Owner:宋洪涛
Lampblack filtering material comprising porous foam metal and preparation method of lampblack filtering material
InactiveCN104888537ALarge specific surface areaReduce wind resistanceFiltration separationAir filtrationFilter material
The invention relates to a lampblack filtering material comprising porous foam metal and a preparation method of the lampblack filtering material. The lampblack filtering material comprises the porous foam metal of an open-type porous network structure, wherein the porosity of the porous foam metal ranges from 90% to 99%, and the pore size ranges from 20PPI to 200PPI. The pore surface of the porous foam metal comprises one or two of antibacterial plating solution and mildew preventive. The porous-foam-metal lampblack filtering material used for lampblack air filtration, especially the porous-foam-metal lampblack filtering material with bacteria inhibition and mildew prevention performance, is particularly applicable to filtration of indoor lampblack air.
Owner:ZHEJIANG GOLDENSEA ENVIRONMENT TECH
Modified attapulgite/sodium alginate/polyvinyl alcohol composite adsorbent as well as preparation method and application thereof
InactiveCN112275264AImprove the effect of adsorption and purificationImprove mechanical propertiesOther chemical processesPolyvinyl alcoholMaterials science
The invention relates to the technical field of catalytic materials, and provides a preparation method of a modified attapulgite / sodium alginate / polyvinyl alcohol composite adsorbent. The preparationmethod comprises the following steps: mixing attapulgite with a hydrochloric acid solution, and carrying out acid modification to obtain acid-modified attapulgite; sequentially mixing the obtained acid-modified attapulgite with water, a magnesium sulfate solution and ammonia water, and carrying out a double decomposition reaction to obtain a precursor; calcining the precursor to obtain a magnesiumoxide / attapulgite composite material; mixing the obtained magnesium oxide / attapulgite composite material with water, polyvinyl alcohol and sodium alginate to obtain a mixed solution; and sequentiallymolding and curing the mixed solution to obtain the modified attapulgite / sodium alginate / polyvinyl alcohol composite adsorbent. According to the preparation method provided by the invention, the attapulgite is modified, so the adsorbability of the composite adsorbent can be improved; and through molding and curing, the composite adsorbent has excellent mechanical properties, and the reuse rate ofthe composite adsorbent is improved.
Owner:SHANGHAI UNIV
Method for regenerating waste oil
InactiveCN106833739AImprove the adsorption effectPrevent oxidation of waste engine oilTreatment with plural serial refining stagesHydrocarbon oils treatment productsChemistryFiltration
The invention provides a method for regenerating waste oil. The method comprises the steps of firstly taking sodium bentonite particles and carrying out crushing and sieving treatment to obtain powder of which the diameter is 200 meshes; weighing modifier cetyl trimethyl ammonium bromide to prepare 5g / L of modifier solution; adding sodium bentonite powder to the modifier solution to prepare the modified sodium bentonite powder; standing and removing water from the waste oil, putting the waste oil into a vacuum stirrer, heating and stirring the waste oil, adding the modified sodium bentonite powder, and stopping vacuum supply after cooling to room temperature and carrying out suction filtration treatment to obtain regenerated oil. According to the method, the implementation process is simple, the operation is easy, secondary pollution in the whole process is avoided, and the purifying efficiency is high.
Owner:CHANGSHA HUIJU ENVIRONMENTAL TECH CO LTD
A multi-component VOCs adsorption condensation recovery device
ActiveCN105688596BImprove processing efficiencyExtended service lifeGas treatmentDispersed particle separationCondensation processChemical industry
Owner:SHENYANG ACAD OF ENVIRONMENTAL SCI
Electric oil purification method and device
ActiveCN102360748AImprove adsorption capacitySmall processing flowTransformers/inductances coolingEnergy based chemical/physical/physico-chemical processesPurification methodsFiltration
The invention discloses an electric oil purification method and an electric oil purification device and belongs to an electro-adsorption deionization technology. Under a constant direct current electric field, collection media and ions in oil liquid form a double electric layer to enrich the ions so that the oil is removed from the oil liquid. In the electric oil purification device, an oil tank is connected with the positive electrode of an external power supply; a core column is connected with the negative electrode of the external power supply; the negative electrode of a metal net is connected with the core column; the positive electrode of the metal net is connected with the oil tank; the collection media are filled in the oil tank; and an oil outlet pipe and an oil inlet pipe are connected with the upper part and the lower part of the oil tank respectively. A three-dimensional multi-layer type electric oil purification device for deep purification of transformer oil has the advantages of high filtration precision and high dirt holding capacity, so a problem of contradiction of the mechanical filtration precision and dirt holding capacity is solved and defects of selective adsorption of adsorbent, environmental pollution, low processing flow rate of the electrostatic oil purification method, low adsorption rate and poor adsorption effect are avoided; moreover, the invention has good adsorption and purification effect and is lower in cost, and favorable for protection of environment and working staff.
Owner:国网黑龙江省电力有限公司齐齐哈尔供电公司 +1
Dust collecting device for numerical control machine tool
PendingCN108970317AConvenient collectionEasy to operateCombination devicesUsing liquid separation agentTreatment effectEngineering
The invention discloses a dust collecting device for a numerical control machine tool. The dust collecting device comprises a device outer casing, wherein a water tank is fixedly arranged at the top end of the interior of the device outer casing; the device outer casing is fixedly connected with a motor through an installation frame; an output shaft of the motor is fixedly connected with one end of a connecting shaft; the other end of the connecting shaft penetrates through the device outer casing, and extends into the device outer casing; a first bevel gear is arranged on the connecting shaft, and is engaged with a second bevel gear; a connecting rod is fixedly arranged at the upper end of the second bevel gear; the upper end of the connecting rod penetrates through the water tank, and extends into the water tank; the upper end of the connecting rod is connected with a second reciprocating screw rod; the upper end of the second reciprocating screw rod is rotationally connected with the top end of the interior of the water tank; the second reciprocating screw rod is connected with a press plate through a ball nut; a plurality of water drain pipes are arranged at the lower end of the water tank at equal intervals. The dust collecting device has the advantages that the collecting is convenient and rapid, the operation is simple, the treatment effect is good, and the cleaning andmaintenance are convenient.
Owner:JINGYIHENGZHUN TIANJIN CNC EQUIP CO LTD
Environmental protection equipment for waste gas filtration
InactiveCN110665316AImprove the effect of adsorption and purificationThorough adsorptionUsing liquid separation agentFiltrationDust control
The invention discloses environmental protection equipment for waste gas filtration, and particularly relates to the technical field of environmental protection equipment. The environmental protectionequipment comprises a box body, wherein one side of the box body is provided with a conveying pipe; one end of the conveying pipe penetrates through the box body and extends to the inside of the boxbody; the bottom of the conveying pipe positioned in the box body is communicated with a shunt pipe; the bottom of the shunt pipe is fixedly connected with shunt balls; a pressing plate is fixedly connected in the box body; the contact positions of the pressing plate and the shunt pipe are both provided with openings; dust removal liquid is also arranged in the box body; the top of the box body iscommunicated with an exhaust pipe; the bottom of the box body is communicated with a drain pipe; and one side of the box body is communicated with a water inlet pipe. According to the invention, theshunting pipe is arranged, and the shunt pipe shunts a dust-containing gas; the shunted dust-containing gas can increase the contact area with dedusting liquid and improve the adsorption and purification effect of the dedusting liquid; and the pressing plate inside the box body can prolong the residence time of the dust-containing gas in the dedusting liquid, so that the dedusting is more complete.
Owner:邳州亚联环保科技有限公司
Method for treating road surface runoff contamination
InactiveCN101618897AImprove the effect of adsorption and purificationExcellent adsorption and purification effectWater/sewage treatment by sorptionRoad surfaceEarth surface
The invention discloses a method for treating road surface runoff contamination, which comprises the following steps of: throwing at least two layers of granular vermiculite with a grain diameter of between 15 and 40mm into side ditches or evaporation ponds or infiltration ponds on two sides of the road to carry out the adsorption type purification and contamination drainage treatment to the contaminants such as suspended matters, ammonia nitrogen and heavy metal ions which gather in the road surface runoff and settle into the side ditches or evaporation ponds or infiltration ponds so as to remove the road surface runoff contamination. The absorption and purification effects of the vermiculite layers used for absorbing and purifying the rainwater in the road surface runoff are obviously better than those of other absorbents such as active carbon. The on-site test result shows that the method has a good effect and is simple in construction method, low in vermiculite cost and wide in application range.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY +1
Air purifying agent
InactiveCN107876003AImprove the effect of adsorption and purificationDispersed particle filtrationOther chemical processesAdditive ingredientSilicon dioxide
The invention discloses an air purifying agent. The air purifying agent is prepared from substances as follows: modified silicon dioxide, attapulgite, kaolin, sodium alginate, urea, epoxidized soybeanoil and calcium stearate. Ingredients in the air purification agent are reasonably selected and matched, the finally prepared air purification agent has remarkably improved adsorption purification capability under the joint action of all ingredients, and the removal rate of chemical pollutants in the air reaches 99% or above.
Owner:ANHUI YUANTONG HEATING TECH CO LTD
New deep purification process of organic waste gas, and applications of new deep purification process in treatment of industrial organic waste gas
InactiveCN106975334APollution Control and TreatmentLarge specific surface areaGas treatmentDispersed particle separationParticulatesTime efficient
The invention discloses a new deep purification process of organic waste gas, and applications of the new deep purification process in treatment of industrial organic waste gas. According to the present invention, through the integrated innovation of an efficient liquid absorption method and a solid adsorption method, the efficient synergistic purification of particulate matters, VOCs and multiple pollutants is achieved; the concrete principle is that most of the VOCs in waste gas are subjected to absorption removal by using an efficient liquid absorbent through a like dissolves like principle and other principles while the vast majority of particulate matters are removed through washing, most of water is removed from the purified waste gas through a demister, the water removed waste gas enters an adsorption section, and the VOCs in the waste gas is subjected to adsorption removal so as to achieve the standard discharging; and with the previous section absorption process, the bonding and the clogging of the subsequent section adsorption equipment can be prevented, the production load can be reduced, the long-time efficient and stable running can be ensured, and the double efficient synergistic control of the multiple pollutants in the method and between the methods can be achieved; and the new deep purification process has advantages of high VOCs removal efficiency and flexible process selection, and is suitable for the treatment of industrial organic waste gas.
Owner:SOUTH CHINA INST OF ENVIRONMENTAL SCI MEP
Cooking fume filter
InactiveCN104984598ALow costWide range of useDispersed particle filtrationActivated carbonProcess engineering
The invention provides a cooking fume filter which comprises three layers of efficient adsorption structures. The upper layer is an adsorption fiber layer, the middle layer is shell-shaped macromolecule oil adsorption microspheres and an activated carbon composite layer, and the lower layer is a non-woven filter cotton layer. The three layers of materials are combined through ultrasonic wind pressure and perfectly composited, and the cooking fume filter is obtained. The filter obtained through the method is simple in structure and light and thin in material, the three layers of efficient adsorption structures are matched with one another, efficient adsorption and purification abilities for cooking fume are achieved, and the cooking fume filter is particularly suitable for manufacturing masks for preventing cooking fume.
Owner:SUZHOU WILDER IND & TRADE
Method for determining pendimethalin content in agricultural products by liquid chromatography
ActiveCN107941964AEasy extractionLong detection periodComponent separationOther chemical processesAlkaline waterMicrosphere
The invention discloses a method for determining pendimethalin content in agricultural products by liquid chromatography, belonging to the technical field of agricultural product detection. The methodmainly comprises the steps of (1) agricultural product steam explosion treatment: firstly using a composite enzymatic hydrolysate to perform primary treatment, then using alkaline water vapor to perform steam explosion treatment, so as to obtain agricultural product slurry and condensed fluid containing pendimethalin; (2) agricultural product slurry treatment: treating the agricultural product slurry subjected to the steam explosion to obtain supernate; (3) constant volume filtration: mixing the supernate and the condensed fluid, then performing adsorption purification treatment by using a purification microballoon; (4) liquid chromatograph detection; (5) result analysis. In a word, the method provided by the invention is high in analysis speed, high in accuracy rate and low in detectionlimit, the added recovery rate is stabilized at 91% or above, the relative standard deviation is low and the work efficiency is greatly improved.
Owner:江苏中宜金大分析检测有限公司
CO Shift Catalyst Carrier, Catalyst Based on the Catalyst Carrier and Preparation Process Thereof
ActiveUS20180117569A1Improve mobilityLow melting pointHydrogenCatalyst activation/preparationAluminum IonIron oxide
The present invention provides a catalyst carrier with shift and adsorption purification performance, comprising modified bauxite in the raw material components which fluxing and pore forming effects. Most iron oxide contained in the bauxite is removed after modification, so that there are a large amount of highly active aluminosilicate compounds in the modified bauxite. When preparing the catalyst, the aluminosilicate compound serves as a low melting point flux and can significantly increase the migration rate of magnesium and aluminum ions during the calcinating process and promote the generation of MgAl2O4 at low temperatures, thereby the catalyst carrier of the present invention has strong anti-hydration capacity and mechanical strength. In addition, when the modified bauxite is used as macroporous hard template for the preparation of the catalyst, macro pores can be formed in the structure of the catalyst carrier after calcinating treatment, so that the catalyst carrier of the present invention has strong adsorption purification ability on macromolecular particles including oil pollution and dust
Owner:FUJIAN PROVINCE SINOGASHOLDER EQUIP INSTALLATION CO LTD
Waste gas treatment equipment for defecation nursing machine
ActiveCN111729491AReduce the temperatureReduce the activity of gaseous moleculesGas treatmentDispersed particle filtrationNursing careMechanical engineering
The invention relates to the technical field of purification equipment, and relates to waste gas treatment equipment for a defecation nursing machine. The equipment can effectively reduce the harm degree of waste gas, prevent the waste gas from damaging the environment, reduce the peculiar smell of the waste gas, prevent the waste gas from causing discomfort to a human body and improve the practicability and reliability by purifying the waste gas. The equipment comprises a treatment bin, four sets of supporting legs, a first partition plate, a second partition plate, a first elbow and a secondelbow, the four sets of supporting legs are evenly installed on the outer side of the bottom of the treatment bin, and the first partition plate and the second partition plate are installed on the lower side and the upper side of the inner wall of the treatment bin correspondingly and divide the treatment bin into a first cavity, a second cavity and a third cavity from bottom to top.
Owner:诸城市人民医院 +1
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