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46results about How to "Efficient and thorough removal" patented technology

Wastewater treatment device of ship waste gas desulfurizing system

The invention provides a wastewater treatment device of a ship waste gas desulfurizing system. The wastewater of a ship waste gas scrubbing system flows into a waste liquid box from a wastewater inletpipe; an alkaline solution is added into the waste liquid box; the wastewater in the waste liquid box is stirred, homogenized, aerated and the like, and flows into a circular air floating machine through a metering pump; a flocculant is added; after the wastewater is flocculated and aerated in the circular air floating machine, the sulfite, oil dirt, suspension matters and other impurities are oxidized and removed; then, the wastewater flows into a flat plate ceramic film filter to further remove the oil dirt, colloid and other impurities; finally, the wastewater flows into an activated carbon filter via a conveying pump for the third step treatment, so as to remove the polyaromatic hydrocarbon, and improve the water quality; the treated wastewater is detected by a water quality monitoring device; when the treated wastewater reaches the standard, the wastewater flows into a scrubbing wastewater drain pipe through a tee valve, and is drained out of a ship, or flows into a temporary storage box; when the treated wastewater does not reach the standard, the wastewater flows into the waste liquid box via a reflux pipeline to be treated again. The wastewater treatment device has the advantages that the automation degree is high, the structure is compact, and the wastewater treatment device is suitable for installation and use in ships.
Owner:HARBIN ENG UNIV

Comprehensive treatment method for high-concentration ammonia nitrogen wastewater

The invention relates to a comprehensive treatment method for high-concentration ammonia nitrogen wastewater. The comprehensive treatment method comprises the following steps: firstly, introducing wastewater into an adjusting tank through a grid, adjusting alkali, introducing the wastewater into an ozone reaction tank through an aeration air stripping tower and a neutralizing tank in sequence, adding a bromide in an ozone reaction to carry out a reaction similar to chlorination of a break point, and introducing effluent into a sedimentation tank; introducing the wastewater into a biochemical reaction system after being treated with a pretreatment system, wherein the biochemical reaction system comprises a biological activated carbon fluidizing bed and a membrane reactor; lastly, discharging or reusing the wastewater up to the standard through filtering treatment. By adopting the comprehensive treatment method, a blow-off method, an advanced oxidation method, a break point chlorination method, a biochemical treatment method and a physical adsorption method are combined, so that ammonia and nitrogen are removed efficiently and completely, and meanwhile, COD (Chemical Oxygen Demand) and SS (Suspended Substances) in the wastewater can be removed effectively. The comprehensive treatment method is suitable for comprehensive treatment of various high-concentration ammonia nitrogen wastewater, and has the advantages of high ammonia nitrogen removing rate, high process stability, stable and up-to-standard effluent quality, and the like.
Owner:浙江一清环保工程有限公司

Self-cleaning rain downspout filtration device

A rain water filtration device, the device having a plurality of vertically stacked chambers, each chamber in staggered succession and each chamber in fluid communication with at least one other chamber through a debris screen, the topmost chamber further having a receiving end in fluid communication with a rain gutter and the bottom most chamber further having an exit end capable of fluidly communicating with a storage tank.
Owner:PIERZCHALSKI KENNETH D

Preparation method of accellular amniotic membrane for skin biological stents of tissue engineering

The invention relates to the technical field of medical materials, and discloses a preparation method of an accellular amniotic membrane for skin biological stents of tissue engineering. The preparation method comprises the following steps of rinsing and disinfecting the amniotic membrane, soaking into DMEM (dulbecco's modified eagle medium) and glycerin, and storing for 6 months at the temperature of -80 DEG C; repeatedly freezing and thawing the soaked amniotic membrane for 2 to 4 times at the temperature of -80 to 37 DEG C, removing the DMEM and the glycerin, and hatching in trypsin-EDTA in an overnight way; terminating digestion of the hatched amniotic membrane by DMEM containing serum, using PBS (poly(butylene succinate)) to flush, and freeze-drying, so as to obtain the accellular amniotic membrane. The preparation method has the advantages that the repeated freezing and thawing type physical accellular method is combined with the trypsinization type chemical accellular method, and the technology steps are adjusted to be adapted, so that the cells in the amniotic membrane are promoted to be thoroughly removed at high efficiency, the mechanical damage is avoided, and more cell factors in the amniotic membrane are maintained.
Owner:GUANGZHOU RAINHOME PHARM&TECH CO LTD

Core-shell structure cellular material for removing methanal and preparation method of core-shell structure cellular material

The invention discloses a core-shell structure cellular material for removing methanal and a preparation method of the core-shell structure cellular material. The core-shell structure cellular material for removing the methanal is prepared from the following components according to a weight ratio: 50 to 70 percent of clay, 10 to 15 percent of inorganic salt, 1 to 5 percent of aerogel, 5 to 9 percent of sepiolite fiber, 1 to 15 percent of molecular sieve and 1 to 8 percent of glue. The core-shell structure cellular material for removing the methanal is prepared by four production links including material mixing, solution dipping, dry granulation and finishing activation. The new core-shell structure material with coexisting multi-stage pore canals consists of an inner core formed by a composite strong oxidant and a shell layer formed by inorganic fiber, and the new material has the advantages of the performance of efficiently and thoroughly oxidating to remove indoor methanal pollutants, simple production links, lower preparation cost and wide popularization and application prospect.
Owner:广东格仑帝环保材料科技有限公司

High-efficiency multifunctional remover and preparation method thereof

The invention relates to a high-efficiency multifunctional remover and a preparation method thereof. The remover is prepared from 99-99.5mass% of sodium hypochlorite, 0.05-0.2mass% of potassium permanganate, 0.15-0.3mass% of potassium ferrate and 0.3-0.5mass% of polyferric sulfate. The preparation method of the remover comprises the following steps: adding 99-99.5mass% of sodium hypochlorite into a reaction kettle, stirring for dissolving sodium hypochlorite, adding 0.05-0.2mass% of potassium permanganate, stirring for 0.5-1h until complete dissolving, adding 0.15-0.3mass% of potassium ferrate, stirring and reacting for 0.5-1h, finally adding 0.3-0.5mass% of polyferric sulfate, and stirring for 0.5-1h until complete dissolving in order to obtain a purple red liquid product. The interaction of three strong oxidants, different timeliness to organic matters and the flocculation of polyferric sulfate allow the highest removal rate of organic pollutants to reach 95% and the cost to only account for 1 / 10 of the cost of an ordinary remover, so the remover provided by the invention has the advantages of high processing efficiency and low cost.
Owner:浙江杭海新城控股集团有限公司

Organic waste liquid treatment process

The invention discloses an organic waste liquid treatment process, and belongs to the technical field of waste water treatment. The treatment process is mainly characterized in that organic waste liquid and demolding waste liquid are mixed; then, technical treatment such as acid separation treatment, filtration, complex breaking treatment, coagulating sedimentation and biochemical treatment is performed until the standard reaching discharging; organic matters in the water can be efficiently and thoroughly removed, so that the treated water quality can be discharged in the standard reaching way; in addition, waste resources are reasonably utilized; the goal of treating waste by waste is achieved; the operation is simple; the investment is low; the cost is low.
Owner:珠海杰赛科技有限公司

Snow and ice removal vehicle

PendingCN108625335ANo secondary freezingTimely collectionSnow cleaningEngineeringIce melting
The invention discloses a snow and ice removal vehicle which comprises a vehicle body, a snow throwing machine, an ice-breaking device, an ice-melting device and a heat transferring pipeline. The snowthrowing machine is connected to the front portion of the vehicle body, and the ice-breaking device is connected to the front portion of a vehicle body chassis. The ice-melting device is connected tothe middle of the vehicle body chassis. One end of the heat transferring pipeline communicates with a heat output opening of the ice-melting device, and the other end of the heat transferring pipeline is connected with a horn opening structure. The snow and ice removal vehicle provided by the invention is easy to operate and control, ice and snow layers can be efficiently and thoroughly removed,damage to tracks is not prone to being caused, energy conservation and environmental friendliness are achieved, and secondary environmental pollution is avoided.
Owner:QINGDAO UNIV OF SCI & TECH

Preparation method of aluminum and aluminum alloy welding wire electrochemically plated with Zn+Cu/Re composite coating and applied to robot welding

The invention relates to the field of welding wire manufacturing, in particular to a preparation method of an aluminum and aluminum alloy welding wire electrochemically plated with a Zn+Cu / Re composite coating and applied to robot welding. A pure aluminum or aluminum alloy wire rod is used as the matrix. Pretreatment, electrochemical plating of the Zn+Cu / Re composite coating and post-treatment areconducted on the surface. The electrochemically plated Zn+Cu / Re composite coating has the functions of reducing welding smoke, improving the porosity resistance of the welding wire and improving solid lubrication and meanwhile fills up pits in the surface of the welding wire matrix, and the electric conductivity and surface quality of the welding wire are improved; the bonding force and strengthof the Zn+Cu / Re composite coating are high, the aluminum or copper peeling phenomenon is avoided, the Zn+Cu / Re composite coating is high in compactness, good in rust resistance and resistant to wear,Zn can reduce welding smoke and splashes, and Re can refine plating layer crystals and reduce the void ratio; and meanwhile, molten bath stirring is enhanced, a molten bath is purified, crystals are refined, pores on the surface and on the inner portion of a welding joint are thoroughly eradicated, and the porosity resistance of the welding wire is improved.
Owner:江苏恒熠金属制品有限公司

Cleaning process of efficient and green automobile turbocharger remanufactured aluminium part

InactiveCN106733866AImprove remanufacturing rateEmission reductionCleaning using liquidsForeign matterWater discharge
The invention provides a cleaning process of an efficient and green automobile turbocharger remanufactured aluminium part. The cleaning process comprises the steps of (1) soaking, (2) washing, (3) ultrasonic rough cleaning, (4) ultrasonic fine cleaning, (5) one-time rinsing, (6) mildew removal ultrasonic cleaning, (7) oxide layer removal ultrasonic cleaning, (8) second rinsing, (9) passivating, and (10) drying. According to the cleaning process of the efficient and green automobile turbocharger remanufactured aluminium part, a novel mildew removal and oxide layer removal process is used, an oil stain removal process in factors of time, formula ratio, temperature, mode and the like is optimized, foreign matters including the oil stain, the mildew, the oxide layer, dust and the like on radial-flow turbocharger and a fixed-flow turbocharger old aluminium parts with remanufacture value are removed efficiently and thoroughly, a solid foundation is laid for the quality of the remanufactured turbocharger same as a new turbocharger. The remanufacture rate of the turbocharger is improved, the energy, materials and the cost are effectively saved, the waste water discharge quantity is reduced significantly, and sustainable and healthy development of the turbocharger industry is greatly promoted.
Owner:江苏毅合捷汽车科技股份有限公司

Devices and methods for removal of calculus

Devices and methods for removal of calculus (including for example, kidney stones) are disclosed. In an embodiment, a device for removal of kidney stones includes a substantially sealable pouch that can be inserted into the kidney for capturing a kidney stone. The pouch is also designed to permit fragmentation of the kidney stone inside the pouch, while preventing kidney stone fragments from escaping from the pouch. As a result, the likelihood of dispersing stone fragments during fragmentation of a large stone is greatly lessened.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST

Biochemical method for removing impurities in Baijiu

The invention provides a biochemical method for removing impurities in Baijiu and provides a method for removing the impurities in the Baijiu by utilizing a bioactive substance. According to the biochemical method provided by the invention, one bioactive substance (whole egg liquid, i.e., raw eggs without egg shells (containing egg white and yolks)) has a mutual effect with the impurities in the Baijiu to be subjected to biochemical reaction; then filtering and distillation methods are carried out to obtain the treated Baijiu. By adopting the biochemical method provided by the invention, the impurities in the Baijiu can be effectively removed, so that the treated Baijiu has a soft taste, people do not get headache after drinking the Baijiu, the discomfort is reduced and damages, caused byharmful substances in the Baijiu, to human bodies are reduced. The biochemical method provided by the invention has the advantages of low requirements on equipment, low technical threshold, short response time, simplicity in operation and low cost. An old distillery does not need to be transformed in a large scale, so that a lot of funds can be saved.
Owner:孙欧希

Method for removing cells from human amnion

The invention discloses a method for removing cells from a human amnion. The method is characterized by comprising the following steps of: obtaining a clean semitransparent amnion, rinsing the semitransparent amnion by using a PBS (Phosphate Buffer Solution), soaking the semitransparent amnion in a comprehensive PBS liquid, shocking, rinsing the amnion by using the PBS after the amnion is taken out, successively soaking the amnion in steapsin / PBS liquid and deoxyribonuclease / PBS liquid for treatment, rinsing the amnion by using double-antibody / PBS liquid, taking out the decellularized amnion and putting the decellularized amnion in the PBS for preservation and standby. The method has the advantages that the cells are removed from the amnion in a manner that a surfactant is combined with steapsin and deoxyribonuclease, the cells can be prompted to be completely and efficiently removed from the amnion due to the combined use of the steapsin and the deoxyribonuclease, and meanwhile, the extracellular matrix is reserved to the maximum and is enabled to be free from damage.
Owner:杭州恩格生物医疗科技有限公司

Efficient and environment-friendly cleaning process for re-manufactured steel part of automotive turbocharger

InactiveCN106583323AImprove remanufacturing rateEmission reductionCleaning using liquidsForeign matterTurbocharger
The invention provides an efficient and environment-friendly cleaning process for a re-manufactured steel part of an automotive turbocharger. The process comprises the following steps: 1) soaking; 2) washing; 3) ultrasonic coarse washing; 4) ultrasonic finish washing; 5) primary rinsing; 6) rust removal ultrasonic washing; 7) manual polishing; 8) secondary rinsing; 9) anti-rust treatment; and 10) drying. The efficient and environment-friendly cleaning process for the re-manufactured steel part of the automotive turbocharger adopts a novel rust removal process, optimizes an oily sludge removal process in factors such as time, formula proportion, temperature and mode, can efficiently and thoroughly remove foreign matters such as oily sludge, carbon deposition, rust and dust on old steel parts of a radial flow type and a mixed flow type turbocharger with re-manufacturing value, thereby laying a solid foundation for the re-manufactured turbocharger as a new one; therefore, the re-manufacturing ratio of the turbocharger is enhanced, energy and materials are effectively saved, the cost is lowered, the discharge of waste water is reduced to a great extent, and persistent and healthy development of the turbocharger industry is powerfully accelerated.
Owner:江苏毅合捷汽车科技股份有限公司

Method for removing antibiotics in sewage through coupling of microorganisms and photocatalysis, and up-conversion/titanium dioxide composite material used therein

The invention discloses a method for efficiently removing antibiotics in sewage through coupling of microorganisms and photocatalysis, and an up-conversion / titanium dioxide composite material used therein. The method comprises the following steps: preparation of an up-conversion material: doping Pr and Li on Y2SiO5; loading of titanium dioxide on the up-conversion material; construction of a periphyton-up-conversion-titanium dioxide composite system; and removing tetracycline in the sewage by using a periphyton / up-conversion / titanium dioxide composite system; and removal of tetracycline in sewage by using the periphyton-up-conversion-titanium dioxide composite system. The method disclosed by the invention can be used for efficiently, thoroughly and environmentally-friendly removing antibiotics in sewage, is a low-cost, flexible and easy-to-operate antibiotic removal method, and is suitable for non-point source sewage or municipal sewage with a relatively high antibiotic concentration.The method is remarkable in effect; 82% of tetracycline in the system is degraded after 24 h, and the periphyton still keeps biological activity; and compared with a microbiological method, the methodis more efficient in tetracycline removal, and the tetracycline removal rate is higher than the tetracycline removal rate of the periphyton by about 40% within 24 h.
Owner:INST OF SOIL SCI CHINESE ACAD OF SCI

Method for removing Leifsonia xyli subsp.xyli and quickly breeding healthy cane seedling

InactiveCN101361459BSalient Features and Notable ImprovementsEfficient and thorough removalHorticulture methodsPlant tissue cultureComing outDisease
The invention relates to the propagation production of cane seedlings, and provides a method for removing cane perennial root dwarfing germs and rapidly propagating healthy cane seedlings, which comprises the following steps: little amount of original seeds are treated by hot water, stem tips which are detected to be feminine by the regenerated plantlet by carrying out speckle enzyme marker immune test (DB-EIA) is taken as an explant, healthy seedlings are produced by induction culture, secondary propagation culture, root-promoting culture, temporary planting and second-stage or third-stage nursery propagation-extension; furthermore, the disinfection of seed-cutting tools (cane knives) is paid attention to in the nursery propagation-extension, before the seedlings are used as seeds for large field production after coming out from nursery, cane stem juice is extracted by sampling, and RSD virus is detected by using the DB-EIA, thus guaranteeing the providing of qualified seedlings. Themethod has the advantages that: dwarfing disease pathogenic bacteria of the perennial root of the cane seedling can be thoroughly removed, annually propagation coefficient can reach as high as more than 10 thousand times, furthermore, the seedling has no variation, has the advantages of being fast, high-efficient and safe, and is suitable for the industrialized and standardized production of the cane healthy seedlings on scale.
Owner:GUANGZHOU SUGARCANE IND RES INST

External-use composition for skin and application of composition

The invention discloses external-use composition for skin. The composition is prepared from a component A and a component B, wherein the component A is hydrogen peroxide, sodium perborate or calcium peroxide; the component B is matrine, sophora alopecuroides, maca glucosinolate, sodium humate or aloe. The composition has the advantages as follows: the broad spectrum property can be improved, the treatment efficiency and the curing effect can be improved, the composition is safe and reliable to use, and multiple side effects caused by treatment are reduced.
Owner:郑向东

Additive for removing winding plating of topcon battery and application of additive

The invention belongs to the technical field of solar cells. The invention relates to an additive for removing winding plating of a topcon battery. The additive is prepared from the following components in percentage by mass: 0.1 to 0.5 percent of silane coupling agent, 0.5 to 2 percent of alkyl trimethyl ammonium bromide, 0.01 to 0.1 percent of polyoxyethylene and the balance of deionized water. The additive disclosed by the invention can be adsorbed on the surfaces of borosilicate glass and phosphorosilicate glass growing on a silicon wafer, two silicon oxide films are protected from being corroded by alkali in the process of removing the winding plating, and meanwhile, the corrosion rate of the winding plating in an alkali solution can be improved, so that the winding plating is removed more quickly and thoroughly.
Owner:西安蓝桥新能源科技有限公司

Sand beach cleaning equipment

The invention discloses sand beach cleaning equipment which comprises a frame, a sand shoveling mechanism, an adjusting mechanism and a sundry collecting box; a first filter plate, a second filter plate and a third filter plate which are arranged on the frame in a vibrating manner; the sand shoveling mechanism comprises a bucket used for being inserted into sand and a sand guide plate used for guiding the sand to the first filter plate block; the adjusting mechanism is used for adjusting the depth of the bucket inserted into the sand; and the sundry collecting box is arranged at the rear end of the frame and located below a discharge port so as to collect sundries discharged from the discharge port. The adjusting mechanism is arranged to adjust the depth of the bucket in the sand shovelingmechanism inserted into sand so as to adjust the thickness of the sand shoveled by the sand shoveling mechanism, a worker can adjust the sand shoveling thickness according to different impurity content states of different sand beach sand, it is guaranteed that a sand layer containing impurities can be shoveled thoroughly, not only is the applicability of the sand beach cleaning equipment to sandbeaches in different conditions improved, but also it can be guaranteed that the sand beaches can be thoroughly cleaned.
Owner:靳职雄

Environment-friendly sewage suction boat

PendingCN112793723AEfficient and thorough removalSolve the problems of high manual labor intensity, time-consuming and laborious, and low efficiencyWater cleaningWaterborne vesselsSquare cross sectionWater filter
An environment-friendly sewage suction boat is used for sucking or salvaging garbage floating on the water surface, belongs to the technical field of environment-friendly equipment manufacturing, and comprises a boat body which is provided with a sewage suction port with a square cross section, a water filter internally provided with a miscellaneous water separator and a water suction channel with a square cross section in a communicating mode from the front end to the rear end, wherein the end, opposite to the water filter, of the water suction channel extends out of the boat body. The water filter is a hollow cylinder with the axis perpendicular to the axis of the sewage suction port, the circle center of the cross section of the water filter is flush with the inner bottom wall of the water suction channel; and the portion, located below the water suction channel, of the water filter communicates with an impurity channel inclining downwards. The environment-friendly sewage suction boat is designed in the mode that the sewage suction port, the water filter and the water suction channel with the square section are arranged on the boat and matched with the collecting bin, so that solid impurities on the water surface can be efficiently and thoroughly removed, and the problems that at present, manual salvage is adopted, so that the labor intensity of workers is large, time and labor are wasted, and efficiency is low are solved.
Owner:贵州恒绿源环保有限公司

A kind of cleaning agent and treatment method for oil stain on the surface of wax mold of artificial joint

The invention discloses a cleaning agent and a treatment method for oil stains on the surface of artificial joint wax models, belonging to the technical field of wax model cleaning. The cleaning agent is formed by mixing a limonene solution with a mass concentration of 85%-95% and 2-phenylthioethanol with a mass concentration of more than 95%, and the volume ratio of the limonene solution to 2-phenylthioethanol is 2-2.2 : 2.8‑3. After using the cleaning agent and treatment method provided by the present invention to clean the artificial joint wax mold, the surface of the wax piece has no oil stains, no corrosion marks, no need to use clean water to rinse, does not contain harmful substances, and will not cause harm to the human body, and the waste liquid after cleaning It can also be recycled and reused to clean the handwriting left by the oil-based pen after writing.
Owner:无锡卡仕精密科技有限公司

Printed circuit board high concentration organic waste liquid and acid waste liquid treatment process

Disclosed are printed circuit board high-concentration organic wastewater and an acidic wastewater treating process. The acidic wastewater treating process mainly includes a plurality of steps, namely, acidifying and filter-pressing, iron-carbon micro-electrolysis, Fenton oxidation and flocculent settling, SBR bio-treatment and the like. By the process, organic matters in water can be removed efficiently and thoroughly, and the water is ensured to be capable of reaching the standard and discharged after being mixed with other wastewater through a comprehensive wastewater treating system.
Owner:江西红板科技股份有限公司

Power production device for new energy vehicles

The invention discloses a power preparation device for a new energy automobile. The power preparation device comprises a hydrogen production box, wherein a plurality of supporting legs are arranged atthe bottom of the hydrogen production box; a gas outlet pipe is arranged at the top of the hydrogen production box; the hydrogen production box is internally provided with a steam cavity; a hydrogenproduction mechanism is arranged above the steam cavity; a filtering screen is arranged above the hydrogen production mechanism; a gas collection mechanism is arranged at the top of the hydrogen production box; all the arranged mechanisms can be used for effectively preparing hydrogen gas by utilizing reaction between carbon and water, impurities in the gas can be effectively removed, and the preparation quality is improved; meanwhile, activated carbon can be rapidly replaced and mounted, the time for replacing and mounting the activated carbon is shortened, and the hydrogen production efficiency of the device is improved; the filtering screen can be used for removing impurities including ash and the like, generated by the carbon mixed in the gas, and purification of the hydrogen gas is not influenced.
Owner:ZHEJIANG IND POLYTECHNIC COLLEGE

Method using vacuum brazing device to braze aluminum alloy workpiece

The invention discloses a vacuum brazing device which improves the brazing performance and quality of an aluminum and aluminum alloy workpiece and a method using the device to braze an aluminum alloy workpiece. The vacuum brazing device comprises a magnesium vapor generating chamber, a brazing chamber and a magnesium collecting chamber, wherein the magnesium vapor generating chamber, the brazing chamber and the magnesium collecting chamber are hermetically communicated with each other through a pipe; and the magnesium vapor generating chamber is internally provided with an electric heating device and the magnesium collecting chamber is internally provided with a collecting copper net with a cooling water pipeline. During brazing, pure magnesium is placed on the electric heating device, the workpiece and the brazing filler metal are placed in the brazing chamber, and then the vacuum brazing device is placed into a vacuum brazing furnace integrally; the oxide film on the surface of the aluminum alloy workpiece is thoroughly removed by flow of magnesium vapor according to different vapor pressures of magnesium in the three chambers, so that the brazing deficiencies such as crack, oxide inclusion, insufficient brazing and non-brazing and the like in the brazing position of the aluminum alloy workpiece in a complex structure can be strictly controlled, thereby, improving the brazing performance and quality of the aluminum alloy brazing workpiece to a great extent.
Owner:ZHENGZHOU RES INST OF MECHANICAL ENG CO LTD

Stone decontamination maintenance brightener

The invention relates to the technical field of stone decontamination and maintenance, specifically to a stone decontamination maintenance brightener, which comprises the following components in percentage by mass: 0.12-0.55% of ethylenediamine tetraacetic acid disodium salt, 0.35-0.95% of sodium dodecyl benzene sulfonate, 1.22-4.75% of a suspension stabilizer, 0.8-3.8% of fatty alcohol polyoxyethylene ether, 0.11-0.65% of industrial sodium hydroxide, 0.05-0.35% of isothiazolinone, 6.5-14.5% of cerium oxide, 15.8-28.8% of calcite powder and 58-68% of water. The stone decontamination maintenance brightener has the advantages of being simple in formula composition, capable of rapidly removing dirt on the surface of stone and forming maintenance while removing the dirt, capable of enabling the surface of stone to be bright as new, high in removing efficiency, thorough in removing and the like.
Owner:江苏品德智能装备有限公司

Cleaning agent for oil stains on surface of artificial joint wax mold and treatment method

The invention discloses a cleaning agent for oil stains on the surface of an artificial joint wax mold, and a treatment method, and belongs to the technical field of wax mold cleaning. The cleaning agent is formed by mixing a limonene solution with the mass concentration of 85%-95% and 2-thiophenyl ethanol with the mass concentration of 95% or above, wherein the volume ratio of the limonene solution to the 2-thiophenyl ethanol is 2-2.2:2.8-3. After the artificial joint wax mold is cleaned by using the cleaning agent and the treatment method provided by the invention, the surface of a wax pieceis free from oil stains, corrosion traces, rinsing by using clear water, harmful substances and harm to a human body, and waste liquid after cleaning can be recycled and reused for cleaning handwriting left after writing by using an oily pen.
Owner:无锡卡仕精密科技有限公司

Method for recovering nmp in gas by using high boiling point solvent

A method for recycling N-methylpyrrolidone (NMP) from a gas by utilizing a high boiling point solvent, comprising: spraying a high boiling point solvent into an absorption apparatus from the top of the absorption apparatus, pumping an NMP-containing gas into the absorption apparatus from either the top or bottom of the absorption apparatus, allowing the gas and liquid phases to fully come into contact, removing NMP or NMP and water from the gas, thus acquiring a purified gas and a mixture containing NMP or containing NMP and water; and vacuum distilling the mixture containing NMP or containing NMP and water, thus separately recycling NMP and the high boiling point solvent. Furthermore, the recycled NMP and high boiling point solvent can be reused. The method allows highly efficient recycling of NMP in the gas and implements recycling and reuse of NMP and of the high boiling point solvent.
Owner:SUZHOU MOEWE ENVIRONMENTAL ENG CO LTD
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