76results about How to "Improve the adsorption effect" patented technology

The invention discloses a nitrogen modified nanometer titanium dioxide and phanerochete chrysosporium composite adsorbent, and its preparation method and application. The composite adsorbent comprises Phanerochaete chrysosporium pellets, mycelia of the Phanerochaete chrysosporium pellets is loaded with nitrogen modified nanometer titanium dioxide, and calcium alginate winds on the mycelia of the Phanerochaete chrysosporium pellets. The preparation method comprises the following steps: adding nitrogen modified nanometer titanium dioxide into a sodium alginate solution after calcining and sieving, and heating an obtained mixture so as to allow nitrogen modified nanometer titanium dioxide to decompose and dissolve; adding Phanerochaete chrysosporium spore suspension, and carrying out uniformstirring; dropwise adding a prepared mixed solution into a calcium chloride solution with a syringe so as to prepare embedding beads; transferring the embedding beads into Kirk inorganic nutrient solution for culture, and carrying out filtration and rinsing to obtain the composite adsorbent. The composite adsorbent provided in the invention can be used for removing cadmium and 2,4-dichlorophenol and has the advantages of high adsorption efficiency, good selectivity, low cost, convenience in separation and recovery, etc.

The invention discloses a method for extracting cellulose from manioc waste. The method comprises the following steps: washing manioc waste, drying and smashing; adding water to the grinded manioc waste, boiling till the water is in a boiling state, so that starch in the manioc waste becomes pasty, then adding with enzyme, carrying out enzymolysis under ultrasound, deactivating enzyme, centrifuging, and removing the supernate; adding a sodium hydroxide solution into the residue for alkaline hydrolysis, washing, filtering, and drying, and thus obtaining manioc waste cellulose. The invention further discloses a method for preparing a heavy metal adsorption material by adopting the manioc waste cellulose as the raw material, and an adsorption method of heavy metal ions. The manioc waste is taken as a starting material, the cellulose is extracted from the manioc waste through a method combining bio-enzyme and alkaline hydrolysis, the manioc waste cellulose with high content can be rapidly and efficiently obtained, the waste is turned into valuable, the obtained heavy metal adsorption material has great adsorption capacity for the heavy metal ions in water, especially has an excellent adsorption effect for cadmium and lead in the water, and therefore, the manioc waste cellulose has good economy and environment protection value.

The invention discloses a preparation method of an illite smectite mixed clay mycotoxin adsorbent. The method comprises the steps of dissolving quaternary ammonium salt with carbon chains with different lengths into a water solution, and then adding illite smectite mixed clay for intercalation reaction; carrying out filter pressing on the product, and drying and grinding to obtain the illite smectite mixed clay mycotoxin adsorbent. The illite smectite mixed clay mycotoxin adsorbent is capable of effectively adsorbing multiple mycotoxins in feed, so that the feed conversion ratio is increased, the feed cost is reduced, and the health of livestock and poultry can be improved.

The invention discloses a method for treating heavy metal ion wastewater with modified shell powder, which comprises the following steps of: (1) preparing the shell powder; (2) preparing modified carbon nano tubes; (3) preparing the modified shell powder; and (4) adsorbing. According to the method for treating heavy metal ion wastewater with modified shell powder, the shell powder obtained by processing shells is taken as a main raw material, and the modified carbon nano tubes are used for modifying the shell powder to obtain the modified shell powder as an adsorption material for carrying out adsorption treatment on the heavy metal ion wastewater, so that the problem that the carbon nano tubes are easy to agglomerate and are not easy to disperse due to agglomeration is effectively solved, the adsorption effect of the shell powder is greatly improved, the process steps are simple, the operability is strong, the implementation cost is low, the adsorption effect on the heavy metal ion wastewater is good, and an effective way is provided for the aspects of improving the utilization rate of the shell powder, developing a natural adsorbent, and treating the heavy metal ion wastewater.

The invention discloses an inorganic fiber filtration material and a preparation method and an application thereof. In the method, uniform mixing, grinding, melting, laddering and softening are carried out on 0.5-5 parts of kaolin clay, 5-15 parts of limestone, 60-90 parts of quartz sand, 0.5-2 parts of borax, 0.2-1 part of fluorite, 2-6 parts of mirabilite and 1-2 parts of trace mineral supplement; then the mixture is rolled and prepared into particles with diameter ranging from 0.5mm to 1.0 mm. The method and application of the invention are safe in use and absorption effect thereof is superior to the absorption effect of the traditional material; in addition, the method and the application can noticeably reduce special injurious ingredients such as benzo(alpha)pyrene, 4-(methyl nitrosamino)-1-(3-pyridyl)-1-butanone(NNK), phenol and the like in cigarette smoke; In addition, harm caused by smoking is reduced and mouthfeel of the cigarette is only slightly affected; the preparation technique of the invention is simple, the use thereof is convenient and realization of industrialized production is easy.

The invention provides a technical scheme of a filter material for dephosphorizing wastewater and a manufacturing method thereof. The filter material in the scheme is spherical particles with the diameter of 3 to 5mm. The particles consist of the following components which are produced in the metallurgical industry in percentage by weight: 78 to 82 percent of solid waste granulating slag and the balance of cement. The manufacturing method in the scheme has the following steps of: 1, grinding the metallurgical industrial solid waste granulating slag with moisture content of lower than 15 percent, sieving with a 200-mesh sieve to obtain 78 to 82 weight parts of granulating slag powder, and stirring and mixing the granulating slag powder and 18 to 22 weight parts of cement with a label of more than No.400; 2, feeding mixed powder obtained in the first step into a pelletizer for pelletizing, wherein water in the amount which is 25 to 30 percent of the using amount of the cement is required to be added in the pelletizing process and the diameter of each pellet is in the range of 3 to 5mm; 3, placing finished pellets obtained in the second step into a curing box for curing until the cylindrical compressive strength is more than 5MPa; and 4, sieving the cured particle pellets to obtain finished products.

The invention relates to the technical field of purification equipment, and especially relates to an efficient poultry breeding wastewater purification device. By purifying the sewage, the purity of the sewage can be effectively improved, the sewage can be conveniently sterilized and disinfected, the sewage purification effect is improved, damage to the environment is prevented, meanwhile, peculiar smells in the sewage are effectively removed, discomfort caused by the peculiar smells to the human body is effectively prevented, and practicability and reliability are improved. The device comprises a purification bin, four supporting legs, a water guide cylinder, a disc-shaped material guide bin, a filter cylinder and a water inlet pipe, the four supporting legs are evenly installed at the bottom of the purification bin, the water guide cylinder, the disc-shaped material guide bin and the filter cylinder are all located in the purification bin, the top of the water guide cylinder is installed at the top of the inner wall of the purification bin, and multiple water through holes are evenly arranged in the lower side of the outer wall of the water guide cylinder in a communicating manner.

The invention discloses a preparation method of porous calcium alginate gel spheres for treating heavy metal sewage. The method comprises the following steps: firstly, preparing a sodium alginate water solution with a certain concentration and adding a micron / nano microsphere solution into the sodium alginate water solution; continuously stirring to sufficiently mix the water solutions; then dropwise adding an obtained mixed solution into a calcium chloride solution to obtain calcium alginate gel spheres containing template microspheres; then washing the obtained gel spheres with water and carrying out vacuum freezing and drying; and finally, putting the obtained gel spheres into an organic reagent and carrying out ultrasonic immersion for a period of time to remove a micron / nano microsphere template, so as to obtain micron / nano porous calcium alginate gel spheres. The porous calcium alginate gel spheres with the pore diameter range of 100nm to 10mu m can be obtained. The specific surface area of the calcium alginate gel spheres is changed through adjusting the pore diameter, so that the exchange speed of ions in an adsorption process is increased and the adsorption effect on heavymetal ions is improved.

The invention relates to the field of environmental protection treatment, in particular to a resource treatment process for inorganic salt hazardous wastes; and the main steps comprise feed treatment,high-temperature oxidation, waste salt refining treatment and evaporative crystallization. According to the process, the inorganic salt hazardous wastes are subjected to resource treatment through aprocess of negative pressure drying, a multilayer suspended oxidation furnace and a high-temperature rotary oxidation furnace, and compared with a traditional industrial slag salt high-temperature heat treatment process, the process can efficiently remove organic matters and effectively solve the problems of inorganic salt melting agglomeration, high-temperature refractory material corrosion and pipeline blockage caused by cooling in a pipeline during inorganic salt refining which may exist at high temperature; by using a carbamido modified bagasse adsorbent, trace organic matters remaining ina salt solution can be effectively removed, and the process of negative pressure drying and high-temperature liquefaction oxidation furnace is adopted, so that the high-temperature decomposition rateof the organic matters in the slag salt can be guaranteed and the problem of melting agglomeration can be solved.

The invention discloses application of molecular sieve loading zirconium oxide for removing fluoride ions from water. The invention also discloses a method by employing the molecular sieve loading zirconium oxide to remove the fluoride ions from water, namely absorbing and removing the fluoride ions by modified molecular sieve loading zirconium oxide from polluted water at a temperature of 10-40DEG C under the acidic or alkaline condition. The invention shows remarkable adsorption capacity superior to than of conventional adsorption materials by the time when removing fluorine contaminants from the water by the adsorption method. In addition, the invention has the advantages of simple operation, easy obtaining of materials, low cost and obvious treatment effect, thereby the invention has perfect economic and social benefits for removing the fluoride ions from source water of slightly polluted water.

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.

The invention discloses an anti-electric-shock socket, which comprises a protective shell and a socket body, wherein a through hole is formed in the upper surface of the protective shell, the inner wall of the through hole is movably connected with the surface of the socket body, the bottom part of the inner wall of the protective shell is respectively and fixedly connected with a first bracket and a fixed block, the fixed block is positioned at the back surface of the first bracket, the inner wall of a circular hole formed in the upper end of the first bracket is movably connected with the surface of a round rod, the socket body fixedly sleeves the round rod, a sliding groove is formed in the upper surface of the fixed block, the inner wall of the sliding groove is slidably connected witha push rod, the surface of the push rod is movably connected with the inner wall of a through hole formed in the left side of the protective shell, and the right end of the push rod is fixedly connected with a spring. Through setting the fixed block, the round rod, the sliding groove, the push rod, the spring, a tooth groove and a gear, the anti-electric-shock socket solves the problem of electric shock hazard since jacks of sockets on the market at present are exposed out of the surfaces of outer shells and the air humidity in the thunderstorm weather is large.

An antineoplastic Chinese medicine in the form of tablet or capsule for treating and preventing intestinal cancer, stomach cancer, etc is prepared from the giant knotweed rhizome, thin leaf adina root, etc through pulverizing, proportional mixing, extracting in hot water, flocculating deposition, filtering or centrifugal separating, regulating pH value, adsorbing eluting, vacuum concentrating, drying, pulverizing and shaping.

The invention discloses a polishing machine capable of removing dust. The polishing machine comprises a bottom plate, supporting legs are fixedly connected to the bottom of the bottom plate, the top of the bottom plate is fixedly connected with a fixing plate, and the top of the fixing plate is fixedly connected with a shell; and a grinding wheel is arranged inside the shell, a water distributor is arranged on the top of the shell, and the bottom of the water distributor penetrates through the top of the shell and extends into the interior of the shell. According to the polishing machine, a collecting barrel and a filter screen are arranged, scrap iron and dust particles can be filtered by the filter screen, the collecting barrel can be used for collecting sundries; a water pump and a water outlet pipe are arranged, water is led into the water distributor again, and grinding wheel wetting operation is carried out so that the water can be recycled, and the waste of water resources can be reduced; and a limiting plate, a rubber strip and a flow guide plate are arranged, a workpiece moves rightwards to squeeze the rubber strip, displacement of the rubber strip is limited by the limiting plate and rubber can rebound so that the rubber strip can be wound around the workpiece after being bent, and splashing of water flows driven by rotating of the grinding wheel can be avoided.

The invention discloses a method for preparing an alumina-based porous mineral material, which comprises the following steps of: grinding kaolinite with the purity of not less than 90 percent into 70 to 80 mass percent of fine particles with the particle size of -100 meshes; calcining the kaolinite fine particles at the high temperature of between 1,050 and 1,150 DEG C for 10 to 30 minutes; extracting silica from the calcined kaolinite by using 100 to 140g / L sodium hydroxide solution in a solid-liquid mass ratio of 1:8-1:12 at the temperature of between 90 and 140 DEG C for 90 to 120 minutes with stirring; and performing solid-liquid separation, and drying the obtained solid to obtain the alumina-based porous mineral material which has a good effect of adsorbing heavy metal ions in solution. The alumina-based porous mineral material prepared by the method is prepared from natural minerals with wide sources and large resource reserves, can be used for treating heavy metal ion polluted wastewater, and has a wide application prospect in the environment-friendly industry, and the preparation process is simple, and low in cost.

The invention discloses a ferrous metallurgy environment-friendly waste gas treatment device and relates to the technical field of environment-friendly waste gas treatment. The ferrous metallurgy environment-friendly waste gas treatment device comprises a tank, the inside of the tank is provided with a rotating shaft rotatingly connected to the upper wall of the tank, and the surface of the rotating shaft is fixedly connected with first stirring blades; the upper side of the inner wall of the tank is fixedly connected with a mounting case, inside which a driving gear and a plurality of drivengears engaged with the driving gear are arranged; waste gas at the top of the inside of the tank enters a gas tank via a communicating pipe and is sprayed out via an aerator nozzle; sprayed waste gasis in contact with absorbing solution again to achieve cyclic absorbing effects and to be thoroughly absorbed; the first stirring blades and second stirring blades rotate to fully mix the waste gas and the absorbing solution to enhance absorbing effects of the absorbing solution on the waste gas; the axis of an aeration hole is tangent to the wall of an aeration pipe so that the aeration pipe canachieve aeration in a rotating state to enlarge the aeration area.

The invention relates to a method for preparing porous sodium alginate-polyglutamic acid gel beads. The method specifically includes the following steps: (1) adding 2-6 g of sodium alginate to 200 ml of deionized water, and stirring until sodium alginate is dissolved and the solution is in a homogeneous state; (2) adding 1-3 g of polyglutamic acid to the solution obtained in the step (1), and continuously stirring until the solution is in a homogeneous state; (3) preparing a fixative: weighing and dissolving 40-60 g of calcium chloride in 1000 mL of deionized water, and adding 1-3 mL of 50% glutaraldehyde to the obtained calcium chloride solution; (4) adding 4-6 mL of methylbenzene to the solution obtained in the step (2), stirring uniformly, then dropwise adding the obtained solution to the fixative obtained in the step (3), standing overnight, then adding absolute ethyl alcohol, stirring, soaking, filtering, washing the particles and then vacuum drying to obtain the porous sodium alginate polyglutamic acid gel beads. According to the method provided by the invention, polyglutamic acid is wrapped by sodium alginate, and tiny droplets are formed inside the gel in virtue of the water insolubility of methylbenzene; the prepared product is excellent in effect of adsorbing the heavy metal Pb.

The invention relates to a preparation method of a composite adsorption material with MAR and MIL-53 (Al) combined. The composite adsorption material is a carrier growing by adopting porous resin (MAR) as crystals, a metal organic frame material is formed by organic ligands in the porous resin, and the outer diameter of particles of the composite material ranges from 3 mm to 6 mm. A solvent thermal method is adopted for preparing the composite adsorption material with MAR and MIL-53 (Al) combined, the composite material solves the problem that a single MIL-53 (Al) material can only form powder and cannot be used for air filtering and the problem that the porous resin is too large in aperture and small in specific area, and the existing technical bottleneck of filtering of ultralow-concentration micromolecular gaseous pollutants in actual application can be broken through.

The invention discloses a fabric dyeing and deepening functional agent, a preparation method and application thereof. The formula of the fabric dyeing and deepening functional agent comprises the following components in parts by weight: 1 to 5 parts of barbaloin, 1 to 5 parts of alkyl glycoside, 2 to 8 parts of flavonoid glycol and 70 parts of water; the preparation method for the fabric dyeing and deepening functional agent comprises the steps of mixing and uniformly stirring various components in the formula above, and standing; the fabric dyeing and deepening functional agent is applied to a dyeing process of a direct dye or an active dye of a fabric. The formula of the fabric dyeing and deepening functional agent disclosed by the invention is simple in component, environment-friendly and convenient to use; the dyeing process does not need to be changed and new equipment does not need to be added; the fabric dyeing and deepening functional agent can be widely applied to the direct dye or active dye dyeing of real silk, wool, cotton, hemp and recycled cellulose fibre fabrics and blended and interwoven fabrics; the colour depth and the colour fastness can be remarkably improved; meanwhile, the using amount of the dye can be reduced; the energy consumption and the sewage discharging can be reduced; the application prospect is wide.

The invention discloses a numerical control milling machine with dust-free and environment-friendly functions. The numerical control milling machine comprises a numerical control milling machine body,wherein a milling machine spindle is movably mounted at the top of the front face of the numerical control milling machine body, an exhaust fan is fixedly connected to the right side of the numericalcontrol milling machine body, the right side of the exhaust fan communicates with a collecting box, a protective cover is slidably mounted at the bottom of the surface of the milling machine main spindle, and elastic exhaust assemblies are fixedly connected to the left side and the right side of the bottom of the spindle respectively. According to the numerical control milling machine, the numerical control milling machine body, the milling machine spindle, the exhaust fan, the collecting box, the protective cover, the elastic exhaust assemblies, a pneumatic lifting mechanism, an air blower,air spraying heads and an air spraying pipe are arranged and used in cooperation, and therefore the problems that an existing numerical control milling machine does not have the dust-free and environment-friendly functions, chippings and dust cut by a cutter are prone to dispersing to a workshop when a machine tool is used for machining, consequently the health of operators in the workshop is affected, and much time needs to be consumed for removing the chippings on the machine tool are solved, and the numerical control milling machine has the advantages of being free of dust and environmentally friendly.

The invention discloses an internal mixer waste gas treatment structure capable of preventing pipeline blockage, and relates to the technical field of waste gas treatment. The internal mixer waste gastreatment structure comprises an adsorption box. The adsorption box comprises an activated carbon adsorption plate, first clamping grooves, baffles, first through holes, second clamping grooves, activated carbon adsorption parts and second through holes. A plurality of groups of baffles are arranged in the adsorption box, and the first clamping grooves are formed between the baffles. The adsorption box is arranged, when waste gas is introduced into the adsorption box, the waste gas firstly passes through the baffles, the waste gas is blocked and slowly flows into the activated carbon adsorption plate from the first through holes to be adsorbed by the activated carbon; besides, multiple sets of activated carbon adsorption plates are arranged, the waste gas can be adsorbed layer by layer, and the adsorption effect is greatly improved. When the activated carbon adsorption pieces in the activated carbon adsorption plates are saturated, the activated carbon adsorption plates can be pulledout of the first clamping grooves of the adsorption box and pressed back to the first clamping grooves after being replaced so that replacement is convenient and operation is easier.

The invention discloses a transformer deteriorated oil adsorbent and a preparation method thereof, and belongs to the field of solid adsorbent combinations or filtering additive combinations. The transformer deteriorated oil adsorbent is used for solving the problems that an existing adsorbent is unsafe and pollutes the environment seriously. The transformer deteriorated oil adsorbent comprises, by weight, 30-40 parts of aluminum oxide, 20-40 parts of sodium silicate and 20-30 parts of aluminum chloride. The prepared adsorbent is composed of inorganic components, nontoxic, nonflammable and free from danger like burning explosion in the waste oil treatment process; the preparation method of the adsorbent is simple, low in cost and free from environment pollution; the adsorbent has a large specific area and good adsorption and purification effects.

The invention provides a hydrated carbon / amorphous molybdenum poly-selenide composite material as well as a preparation method and application thereof, and belongs to the technical field of palladiumadsorbents. The provided hydrated carbon / amorphous molybdenum poly-selenide composite material comprises hydrated carbon and amorphous molybdenum poly-selenide dispersed on the surface of the hydratedcarbon, wherein an oxygen-containing functional group is arranged on the surface of the hydrated carbon; the molar ratio of selenium to molybdenum in the amorphous molybdenum poly-selenide is (2.3-2.6): 1. In the hydrated carbon / amorphous molybdenum poly-selenide composite material, amorphous molybdenum poly-selenide has more effective selenium sites than crystalline molybdenum selenide, and theremoval effect on palladium ions is better. The oxygen-containing functional group on the surface of the hydrated carbon provides more growth sites for amorphous molybdenum poly-selenide; due to the existence of the hydrated carbon carrier, the amorphous molybdenum poly-selenide is good in dispersity and cannot be agglomerated, more effective selenium sites are exposed, and the palladium ion adsorption effect of the hydrated carbon / amorphous molybdenum poly-selenide composite material is further improved.

The invention discloses an odor treatment device based on a laboratory, and belongs to the technical field of purification. The device comprises a treatment box and a purification box, wherein the purification box is located on one side of the treatment box, a pipeline is connected between the top of the purification box and the treatment box, the top of the treatment box is provided with a connecting opening, the top of the connecting opening is in butt joint with a water spraying box, the bottom end of the connecting opening is connected with a funnel connecting pipe, and a hollowed-out plate and a partition plate are arranged in the treatment box and equally divide the treatment box into three cavities. The invention further discloses a using method of the device. Air, sucked by a fan, of the laboratory is subjected to water spraying purification through a water spraying mechanism, dust and some water-soluble reagent molecules in the air can be filtered out through the operation, and thus the odor in the laboratory is eliminated. Moisture in the air can be adsorbed through activated carbon, meanwhile, some pungent odors with good activity are adsorbed, and thus secondary purification is achieved.

The invention discloses an air purification material, a preparation method therefor and an application of the air purification material. The material is prepared from the following raw materials in parts by weight: 31-39 parts of seaweed mud, 8-16 parts of naphthyl acetic acid, 3-11 parts of nano zinc oxide, 5-9 parts of triethanolamine and 1-5 parts of guar gum. The method comprises the steps: mixing the seaweed mud with the nano zinc oxide, carrying out grinding, adding a solution of triethanolamine into the mixture, and carrying out sealing, heating and stirring, so as to prepare a mixture A; mixing the guar gum with a solution of naphthyl acetic acid, and carrying out sealing, heating and stirring, so as to prepare a mixture B; and mixing the mixture A with the mixture B, carrying out ultrasonic treatment, carrying out stirring until the mixture is dried, and carrying out calcination, thereby obtaining the air purification material. The material prepared by the method has extremely high porosity, has an adsorption reinforcing effect on adsorptivity to toxic and harmful substances and is light in mass, and thus, the use becomes more convenient. According to the air purification material, the adopted raw materials are extremely simple and are wide in source, the preparation process is convenient to operate and control, and the production cost is reduced substantially, so that the material is suitable for being industrially produced.

The invention discloses a long-acting slow-release facial mask and a preparation method thereof. The preparation method comprises the following steps: S1, preparing base cloth for the facial mask: performing opening, carding, spunlace reinforcing and forming, and drying on a base cloth fibrous raw material, to obtain the base cloth; S2, processing micropores on the base cloth by using a laser, toobtain the porous base cloth, wherein a pore diameter of the micropore is 0.1-200 um, a pore depth is greater than 5 um, and a pore pitch is 50-1000 um; S3, performing hydrophilization treatment on the porous base cloth, to obtain hydrophilic porous base cloth; and S4, enabling the hydrophilic porous base cloth to be dipped in solution containing functional components, to obtain the facial mask which adsorbs the functional components, adsorption and slow-release of the facial mask to the functional components can be effectively improved, and the facial mask is safe in use, and harmless to a human body.

The invention discloses a whale swallowing imitating type sewage suspended matter adsorption sinking ball, belongs to the technical field of sewage treatment, and can innovatively adopt the characteristics that a sinking ball body is thrown into a polluted water body, and a self-bulging composite membrane is inflated to be bulged through the characteristic that a reaction oxygen release ball is heated or decomposed into oxygen when meeting light, a mouth-like upper jaw piece on the outer surface of the sinking ball body is extruded to be opened, oxygen begins to leak outwards, meanwhile, external water carries suspended matter to enter the mouth-like upper jaw piece and is actively adsorbed by an adsorption inner attaching layer on the inner side of the mouth-like upper jaw piece, and thewhale swallowing habit is imitated; after swallowing of the suspended matters, because of the reset effect of the mouth-like upper jaw piece, the water with the adsorbed suspended matters is discharged through a tooth socket-like gap control semi-ring, such that the suspended matter adsorption efficiency can be improved by using the active feeding manner, the generated oxygen can be partially dissolved in the water so as to improve the dissolved oxygen content of the water body, and the sewage suspended matter adsorption efficiency and the sewage suspended matter adsorption effect are significantly improved.

The invention discloses an air purification material, and a preparation method and application thereof. The material is composed of the following raw materials in parts by weight: 31 to 39 parts of vermiculite, 8 to 16 parts of naphthylacetic acid, 3 to 11 parts of tea polyphenol, 5 to 9 parts of triethanolamine and 1 to 5 parts of a guar gum. The preparation method comprises the following steps: mixing the vermiculite and the tea polyphenol, then carrying out grinding, adding a triethanolamine solution, and carrying out heating in seal under stirring so as to obtain a mixture A; mixing the guar gum and a naphthylacetic acid solution, and carrying out heating in seal under stirring so as to prepare a mixture B; and mixing the mixture A and the mixture B, then carrying out ultrasonic treatment, carrying out stirring until the treated mixture is dried, and carrying out calcination. The material prepared by using the preparation method provided by the invention has extremely large porosity; meanwhile, the material has strengthened adsorption effect on the adsorbability of toxic and harmful substances; and the material has light quality and is more convenient to use. According to the invention, adopted raw materials are simple and extensively-available; and the preparation process is convenient to operate and control, is greatly reduced in production cost, and is applicable to industrial production.

The invention provides an activated carbon modification method for removing nitric oxide and nitrogen dioxide in air. The method comprises the following steps: preparing activated carbon, dredging pores of the activated carbon, loading a catalyst on the surface of the activated carbon, preparing a dipping modification solution, preparing an ammonia water solution, controlling the heating temperature of an activation furnace, modifying the activated carbon, discharging redundant ammonia gas and carrying out cooling. According to the method, active carbon surface functional group modification and supported vanadium oxide (V2O5) combined modification are adopted, so the removal efficiency and the adsorption capacity of nitrogen oxides are improved, the problem of hole blockage caused by metal salt / alkali dipping precipitation is avoided, the problem of environment pollution caused by dipping substance falling is prevented, and meanwhile, the hydrophobicity of the active carbon is improved.

The invention discloses a preparation method of a fiber membrane material for heavy metal ion adsorption based on agricultural straw waste. The preparation method comprises the following steps: cutting off and crushing the agricultural straw waste, and pretreating straw fibers with particle sizes in a range of 20-100 meshes to obtain white fiber sponge consisting of a plurality of layers of thin fiber networks; then, with the straw fiber sponge as a base material, modifying the straw fiber sponge with an extracellular polymeric substance (EPS), modified gulcomannan and alginic acid to form a thermal irreversible gel mixture with excellent film forming performance, wherein carbon dioxide generated by a reaction of sodium carbonate and alginic acid can make cavities of the fiber membrane material richer; and finally, carrying out suction filtration, drying and curing to obtain the high-performance fiber membrane material for heavy metal ion adsorption. The high-performance fiber membrane material which has good filtering performance, has high adsorption and removal effects on heavy metal ions, and has the characteristics of renewable biomass, environment friendliness, good responsiveness and the like is prepared in the invention.