53results about How to "Promote adsorption" patented technology

The invention discloses a coating used for purifying automobile tail gas in tunnels and underground parking lots, which consists of 20-40 parts of silicon acrylic emulsion, 10-30 parts of photocatalytic titanium dioxide nano powder, 5-15 parts by weight negative ion powder, 5-10 parts of ultra-fine diatomite, 10-20 parts of water, 5-15 parts of ordinary titanium dioxide, 4-8 parts of heavy calcium carbonate, 5-10 parts of light calcium carbonate, 1-2 4 parts of propylene glycol, 0.2-0.4 parts of leveling agent, 0.3-0.8 parts of thickener, 0.2-0.4 parts of defoamer, 0.8-1.5 parts of dispersant and 0.3-0.4 parts of wetting agent. The coating of the present invention has added high-efficiency adsorptive diatomite, which can enhance the adsorption of harmful gases and enhance the treatment effect; the adhesion between the coating made of nanoparticles and the substrate is improved; the nano photocatalytic coating of the present invention has The photocatalytic efficiency is high, and it has the effect of releasing negative ions, and can effectively purify the air; the nano photocatalytic coating of the present invention is very convenient for construction, and the thickness of the coating can also be adjusted according to the viscosity of the coating.

The invention discloses a MoS2/TiO2NTs heterojunction photo-electro-catalyst substituting a noble metal Pt sheet for hydrogen evolution and a preparation method of the MoS2/TiO2NTs heterojunction photo-electro-catalyst. The MoS2/TiO2NTs heterojunction photo-electro-catalyst is synthesized by a two-step method. Firstly, a metal Ti sheet is subjected to anodic oxidation and TiO2NTs having a high specific surface area and gaps is formed by taking a diglycol and HF system as a solvent and the Ti sheet as a titanium source through an anodic oxidation process; secondly, MoS2 is loaded onto the prepared TiO2NTs by taking sodium molybdate and thiacetamide as a Mo source and a S source respectively, and taking diglycol as a solvent through kettle heating. A TiO2 surface layer structure, by using the specific surface area of a MoS2 layer, can improve the absorption to H2O molecules; in addition, MoS2 has excellent electron conduction ability and side belt effect, so that the number of reaction active sites are increased; photoelectrocatalysis collaboration can effectively separate electrons from cavities, so that the photocatalysis activity is improved, and hydrogen can be produced rapidly and efficiently by the decomposition in the presence of the MoS2/TiO2NTs heterojunction photo-electro-catalyst.

The invention discloses a TSV (Through Silicon Via) electroplating method and a TSV electroplating system under the action of ultrasonic outfield. The TSV electroplating method comprises the following steps that Step 1, a silicon wafer having TSV micro blind holes is put in a sealed container filled with an electroplating solution containing an additive, vacuumizing pretreatment is carried out on the sealed container to allow the electroplating solution to soak into the TSV micro blind holes, then standing for 10-60min is carried out till the additive reaches preliminary adsorption equilibrium in the inner surfaces of the TSV micro blind holes; Step 2, the silicon wafer is connected with a cathode of an electroplating power supply, and then is put in an electroplating bath to act as an electroplating cathode; and Step 3, the electroplating power supply is started for carrying out cathode copper ion deposition reaction, in the meanwhile, an ultrasonic power supply is started to apply ultrasonic excitation into the TSV micro blind holes, and by using the ultrasonic cavitation effect, inhibition to hole opening electroplating of the TSV micro blind holes and acceleration of hole bottom electroplating are realized, and bottom-up complete filling is formed. According to the TSV electroplating method and the TSV electroplating system, ultrasonic can be effectively used as an extra energy field to enhance TSV copper electroplating filling.

The invention discloses a morpholine quaternary ammonium salt Gemini surface active agent for mineral flotation, and belongs to the technical field of beneficiation. The morpholine quaternary ammonium salt Gemini surface active agent expressed by the formula I is used as a collecting agent in the flotation separation of sodium chloride and carnallite, the ore flotation of lepidolite or the reverse flotation desiliconization decontamination of iron ores. FORMULA; in the formula I, R1 and R2 are alkyls with 8-20 carbons; R3 is alkylene with 2-10 carbon atoms; and X is Cl, Br or I. The molecule of the morpholine quaternary ammonium salt Gemini surface active agent uses a connecting radical to connect two morpholine heterocycle-contained hydrophilic head groups; double morpholine heterocycles exist to improve the surface activity and the self-gathering tendency of the collecting agent to promote absorption of molecules of the collecting agent on the surfaces of ores; the molecules contain two hydrophobic groups and two mineralophile groups to achieve higher collecting capacity on target minerals; and compared with a common flotation collecting agent in the prior art, such characteristics as flotation efficiency and mineral recovery rate can be effectively improved.

The invention discloses a resin-based nano-hydroxyapatite composite material, a preparation method, and an application of the composite material in fluorine-polluted water treatment. The composite material is formed by immobilizing nano-hydroxyapatite particles on polymer resin, and the zero point of charge is 8-9.5, wherein the size of the nano-hydroxyapatite particles is in a range of 10-100 nm, the supporting amount of the nano-hydroxyapatite is in a range of 2-22%, and the polymer resin is polystyrene-divinylbenzene adsorption resin. The nano-scale hydroxyapatite particles are immobilized on the high-molecular resin material, so that the composite material with excellent adsorption performance, no secondary pollution, uniform size and easy separation and regeneration is obtained. The composite material has relatively high fluorine adsorption capacity in a polluted water body which is neutral or alkaline (pH=6-9), and has a specific adsorption function on fluorine ions in a high-competitiveness ion system. The composite material is low in preparation cost and simple in process, and is suitable for actual treatment of fluorine-polluted wastewater.

The invention discloses a preparation method for a photo-Fenton catalyst. The method first prepares Alpha-Fe2O3@C, surface treatment is then carried out on the prepared Alpha-Fe2O3@C, the surface-treated Alpha-Fe2O3@C is then mixed with Na2WO4.2H2O, Bi(NO3)3.5H2O and sodium citrate, and after hydrothermal reaction, the catalyst is prepared. With Alpha-Fe2O3 as a core, amorphous carbon as an intermediate layer and Bi2O3-Bi2WO6 heterojunction as an outermost layer, the catalyst not only can promote photo-induced charge separation, but also remarkably enhance the adsorption of dye molecules by the catalyst, and has a remarkable degradation effect of RhB. The specific surface area is up to 67.95m<2>/g, and as the dosage of H2O2 is increased, the rate of RhB degradation is gradually increased;and when the concentration of H2O2 is 5mol/L, the reaction rate constant of the Alpha-Fe2O3@C@Bi2O3-Bi2WO6 catalyst in degrading RhB is 0.01876min<-1>, which is 136 times the reaction rate constant ofphotocatalytic degradation.

The invention discloses an Mg-Fe bimetal hydroxide adsorbent and a preparation method and application thereof, and relates to the technical field of adsorbents. The Mg-Fe bimetal hydroxide adsorbent is of a sheet structure and is formed by loading magnesium hydroxide on a ferric hydroxide surface layer; preferably, the adsorbent is prepared by hydrothermal reaction of Fe-Mg mixed liquid formed bymixing a ferric salt and a magnesium salt with a hydroxide solution; and more preferably, the mol ratio of the magnesium salt to the ferric salt is (3-5):1. According to the preparation method of theMg-Fe bimetal hydroxide adsorbent, by means of hydrothermal reaction of the Fe-Mg mixed liquid formed by mixing the ferric salt and the magnesium salt with the hydroxide solution, the magnesium hydroxide is spread on the ferric hydroxide surface layer, and by optimizing the ratio of the magnesium hydroxide and the ferric hydroxide, the selection of the raw materials and the preparation conditions,the finally obtained adsorbent can more effectively adsorb uranium in wastewater. The prepared adsorbent has a large adsorption capacity for uranium, has a high adsorption rate, and can be applied totreatment of uranium-containing wastewater.

The present invention relates to a flue gas cleaning method using bag-type dust collector and its equipment. Said invented method includes the following steps: (1) using air fluidization device in every ash chamber positioned in the lower side of flue gas inlet to make the fly ash particles in the ash chamber, i.e. adsorption agent into the fluidization state; (2). feeding the flue gas into dust collector through flue gas inlet and carrying the fly as to filtering layer; (3) making the fly ash particles and oil mist produce collision, adsorption and agglomeration, at the same time adsorbing harmful gas component; (4). filtering dust and falling the separated flyash into ash chamber, using it as adsorbent to reuse; and (5). making cleaned flue gas pass through flue gas outlet and come intodischarge system.

The invention discloses a Ce-based oxide catalyst, and a preparation method and an application thereof. The Ce/CeO2 catalyst is prepared through regulating the morphology of the catalyst by controlling the kind and the use amount of an added reducing agent and the temperature of a hydrothermal reaction with CeO2 as a carrier. The preparation method has the advantages of simplicity, convenience inoperation, low cost and high conversion rate, and the obtained catalyst has high catalytic oxidation activity in a wide temperature range, can be used in the catalytic oxidation of toluene and propane, has a high thermal stability, and has obvious industrial application values.

The invention discloses a quaternary ammonium salt modified Pd/C electrocatalyst as well as an electrode and preparation and application thereof. The electrocatalyst comprises carbon dust and Pd nanoparticles, wherein the Pd nanoparticles are supported by the carbon dust to form a nano Pd/C composite material; and quaternary ammonium salt is adhered to the surface of the nano Pd/C composite material. The quaternary ammonium salt is adopted to modify Pd/C, by virtue of the electropositivity and the complexing effect (with pollutants) of the quaternary ammonium salt, the electrostatic repulsiveinteraction of chlorine-containing pollutants with cathode electrodes can be alleviated, adsorption of the chlorine-containing pollutants can be enhanced, and dechloridation efficiency can be improved.

The invention provides alkyl polyoxyether with a structure as shown in a formula (I) or formula (II) which is described in the specification. The invention also provides a preparation method for the alkyl polyoxyether, a polycarboxylate superplasticizer prepared with the alkyl polyoxyether as a polymerization monomer and a preparation method for the polycarboxylate superplasticizer. The alkyl polyoxyether provided by the invention contains a phenyl ring which exerts great steric hindrance effect in a polymer molecule in preparation of the polycarboxylate superplasticizer, so the prepared polycarboxylate superplasticizer is endowed with better slump loss resistance. The polycarboxylate superplasticizer provided by the invention uses the alkyl polyoxyether as the monomer, has the both advantages of high water-reducing rate and high slump loss resistance, and is convenient to use and obviously reduced in the doping rate in concrete; so cost for production and construction is reduced, requirements of environmental protection are better met, and immense economic and social benefits can be produced.

The invention discloses an efficient plasma cell dissociation DNA extraction method based on a paramagnetic particle method. The efficient plasma cell dissociation DNA extraction method comprises the steps that firstly, pretreatment liquid P is prepared to preprocess a plasma sample; secondly, combination liquid B is prepared, and DNA in the sample is adsorbed through hydroxyl magnetic beads in a specific mode under the two-step temperature control condition; thirdly, washing liquid W1 and washing liquid W2 are prepared to wash the magnetic beads to which DNA is adsorbed; fourthly, efficient eluting of the sample is achieved under the auxiliary condition of physical reinforcement effect. By means of the efficient plasma cell dissociation DNA extraction method, high-quality cell dissociation DNA can be efficiently and quickly obtained, and the requirements of molecular biological experiments of PCR amplification, quantitative and qualitative analysis, sequencing and the like can be met.

The present invention provides the textile treatment composition containing (a) the compound represented by the formula (1) and (b1) the fragrance having a logPow value not less than 3.0 and not more than 5.0 at a mass ratio of (a)/(b1)=98/2 to 20/80, and the method for facilitating adsorption of the component (b1) on a textile product by contacting the textile treatment composition with the textile product in water as a medium:

(wherein, X represents —OH, —R1 (R1 represents an aliphatic hydrocarbon group having total 1 to 22 carbon atoms that may be substituted with a phenyl, hydroxy, or alkoxy group) or —OR2 (R2 represents a hydrocarbon group having 6 to 22 carbon atoms); Y represents X or —OSi (X) 3; and n is an average number from 0 to 15; a plurality of X and a plurality of Y may be independently same or different, with a proviso that the compound has at least one —OR2 in a molecule.)

The invention discloses an iron-based catalyst of an alkaline fuel cell and a preparation method thereof. The iron-based catalyst is prepared from the following steps: a, adding multi-wall carbon nanotube powder, glucose and sodium dodecyl sulfonate into deionized water, and mixing to obtain black suspension; B, adding ferric nitrate into the suspension, and heat treating to obtain the multi-wallcarbon nanotube powder loaded with iron base; (c) heat treat that powder plasma at a high temperature to prepare a modified iron-based catalyst. The method has the following beneficial effects: the interaction of C and Fe-N-C promotes the adsorption of oxygen molecules, thus effectively improves the catalytic decomposition ability of the catalyst for oxygen, improves the catalytic activity of thecatalyst, and has the advantages of simple preparation process, low cost, both high catalytic activity and low preparation cost, and has a very broad prospect in the industrial application of fuel cells.

The invention discloses a method for producing 45# large flat steel ingot through an electric furnace, and the flat steel ingot has the weight of 30 to 50 tons. The method comprises the steps of EAF furnace primary smelting furnace steel and iron material batching, tapping conditions, tapping material adding control, LF furnace refining recarburization and slagging deoxidation inclusion removal, vacuum treatment and die casting pouring temperature control. The method concretely comprises the steps of EAF furnace primary smelting furnace steel and iron material batching molten iron control, thecontrol of the carbon content of the molten steel during tapping, the use of carburant in LF furnace refining and the adding of a proper amount of slag and a deoxidizing agent, the forming of white slag and the keeping for enough time, the control of vacuum holding time and argon flow in different stages in VD furnace vacuum treatment, and the control of temperature in die casting pouring. According to the 45# steel produced through the method, the usage amount of the deoxidizing agent is small, inclusions in the steel are few, the thickness of a rolled steel plate ranges from 200 mm to 500 mm, the flaw detection percent of pass reaches 98.4% or above, and benefits are remarkable.

The invention relates to a high-performance lithium-sulfur battery positive electrode material and a preparation method thereof. The preparation method of the high-performance lithium-sulfur battery positive electrode material comprises the following steps of S1, preparing graphene oxide by employing an improved Hummers method; and S2, dropwise adding a nanometer sulfur solution into a graphene oxide solution under a stirring condition to obtain a mixed liquid, performing ultrasonic dispersion on the mixed liquid for 1-5 hours under a power of 300-650W, and finally, performing spray drying onthe mixed liquid to obtain the high-performance lithium-sulfur battery positive electrode material, wherein the pressure of spray drying is standard atmospheric pressure, the air inlet quantity is (2-8)m<3> per minute, the air inlet temperature is 150-250 DEG C, the feeding speed is (1-10)mL per minute, and the pin through speed is one time per 5-30 seconds. The lithium-sulfur battery positive electrode prepared by the method has relatively high loading quantity and is excellent in electrochemical property and high in stability, and a shuttling effect and a volume expansion effect can be effectively prevented.

The invention discloses a method for preparing a nanometer copper oxide catalyst. The method comprises the following steps of: mixing soluble copper salt with soluble aluminium salt to prepare a solution with the total concentration of 2-4mol/L according to molar ratio of 2:1 to 4:1 of copper to aluminium; dipping 50-70 percent of NaOH solution to regulate a pH value to 8-10; aging the solution; performing solid-separation separation; and drying the solution to obtain a copper-aluminium hydrotalcite; mixing crylic acid with the water according to a volume ratio of 1:1 to 1:2; adding the copper-aluminium hydrotalcite into the crylic acid solution in a proportion that each gram of copper-aluminium hydrotalcite corresponds to 3-5mol of the crylic acid; stirring mixture for 5-6h at the constant temperature of 60-70 DEG C; aging the mixture for 12-24h; adding ammonium persulfate into the solution to heat at 60-90 DEG C and react for 8-10h; washing the mixture in a deionization mode; drying the mixture at 70-90 DEG C; grinding the mixture and heating the powder to 600-700 DEG C; and adding the powder to sodium hydroxide solution with the concentration of 20-40 percent after the powder is subjected to vacuum forging, so that the method is simple in process.

The invention belongs to the field of surfactants and particularly relates to a highly-inhibitive foaming agent for foam drilling of shale formation and a preparation method of the foaming agent. The foaming agent which is a surfactant is structurally characterized in that a quaternary ammonium salt and polyoxyalkyl ether structure in strong electric charge interaction with shale is introduced while an appropriate hydrophobic carbon chain length is kept. The preparation method includes that alkyl polyoxyalkyl ether dimethyl tertiary amine and methane chloride are subjected to quaternary amination to obtain a surfactant sample. When the foaming agent is applied to the shale formation, remarkable inhibition performance and salt tolerance are provided wile great foaming performance is guaranteed.

The invention relates to a fibrous membrane device capable of adsorbing-desorbing protein and based on a 3D printing PLA material and a preparation method thereof. A nanocellulose/cellulose diacetate composite spinning solution is prepared into nanocellulose/cellulose diacetate composite nano-fibers through electrostatic spinning, the nanocellulose/cellulose diacetate composite nano-fibers are accumulated on a PLA supporting body prepared through the 3D printing technology, and a nanocellulose/cellulose diacetate composite nano-fiber membrane, namely the fibrous membrane device is formed. The formula of the spinning solution is optimized, the PLA supporting body is introduced to serve as a base body support of the fibrous membrane device, effective support is provided for the device under the high-pressure-drop and high-flux separation condition, the reusability of the fibrous membrane can be improved, and the separation efficiency of protein is guaranteed. The membrane device has the high adsorption amount on bovine serum albumin, after the adsorption-desorption process is circulated five times, the desorption rate can still be kept at 80% or above, and the device can be widely applied to protein purification and separation.

The invention relates to the technical field of automatic nondestructive testing, in particular to an electromagnetic sound detection robot for a storage tank. The robot comprises an electromagnetic sound sensor, the electromagnetic sound sensor comprises an electromagnet and a coil, the coil is arranged in a fixedly-arranged magnetic field of the electromagnet, the coil is connected with the excitation end and the signal receiving end of an electromagnetic control unit, and the electromagnet enables the robot to be attracted to a storage tank. The robot has the advantages that the electromagnet is not only used for manufacturing the electromagnetic acoustic sensor, the magnitude of excitation magnetic current is controlled through the electromagnetic control unit, the storage tank is detected through electromagnetic acoustic excitation, and in addition, the robot is attracted to the storage tank through the electromagnet.

The invention discloses a dust removal device for thermosetting powder coating production. The dust removal device comprises a separation cabin, a thermometer is movably installed on the outer surfaceof one side of the separation cabin, a connecting disc is movably installed on the outer surface of the bottom end of the separation cabin, an air suction chamber is fixedly installed on the outer surface of the upper end of the separation cabin, and a water pipe is movably installed at the position, above the thermometer, of one side of the separation cabin; and operation buttons are arranged onthe outer surface of the front end of the air suction chamber, and an indicating lamp is arranged on the outer surface of the upper end of the air suction chamber. According to the dust removal device for the thermosetting powder coating production, an electrostatic dust collection box, a filter screen layer and an atomizing nozzle are provided so that adsorption to dust can be enhanced, the dustcan be conveniently collected, an alarm can be given in time when the dust removal device breaks down, the internal temperature of the dust removal device can be reduced, and lubricating can be carried out on the interior of the device so that the service life of the device can be prolonged, the use is convenient, and a better application prospect is brought.

The invention relates to a treatment method of calcium-containing organophosphorus scale inhibitor wastewater. Ferric oxide hydrate (HFO) is loaded on strongly basic anion exchange resin (D201), and the loaded HFO-D201 composite nano catalyst is prepared. In a heterogeneous Fenton-like system, the prepared catalyst can catalyze the generation of hydroxyl radicals with strong oxidizability to degrade organophosphate in wastewater, adsorbs degradation products, and can remove total phosphorus through secondary synergistic enhancement according to the interaction of calcium ions and inorganic phosphorus. According to the constructed heterogeneous HFO-D201 catalyst, on one hand, the degradation efficiency of H2O2 on organophosphorus in a Fenton-like method can be improved, phosphorus is removed to a high degree, the reaction time is shortened, meanwhile, the energy consumption is reduced, and secondary pollution is avoided.

The invention relates to the field of chemical manufacturing, in particular to a petrochemical waste heat recovery device comprising a waste heat recovery frame, a sealed waste heat absorption frame,a heat recovery device, a stable pressurizing heat absorber and a linkage pressure-bearing valve. The waste heat recovery frame is fixedly connected and communicates with the upper end of the sealed waste heat absorption frame; the heat recovery device is fixedly connected into the sealed waste heat absorption frame; the stable pressurizing heat absorber is rotatably connected into the waste heatrecovery frame; and the stable pressurizing heat absorber is in transmission connection with the linkage pressure-bearing valve in a meshed manner. The petrochemical waste heat recovery device has theadvantages that the pressure of the waste heat adsorption environment is increased, the heat adsorption is accelerated, and the heat loss of the waste heat is further reduced; the waste heat adsorption environment is continuously changed through continuously circulating modes of continuous pressurization, pressure discharge, air intake and re-pressurization, continuous increase of the pressure ofthe waste heat adsorption environment is realized, and continuous heat absorption is realized; and the automation degree is high, the operation is convenient, and the use is safe.

The invention discloses water purification equipment which comprises: a micro-resistance vortex pipeline mixer, which is communicated with source water and is used for realizing instantaneous mixing of the source water with a coagulant, a coagulant aid and a disinfectant; a coarse filter, which is connected with the micro-resistance vortex pipeline mixer and is used for intercepting and coarsely filtering large-particle impurities in the water source; a reaction precipitator, which is communicated with the coarse filter and is used for realizing coagulation reaction and flocculation precipitation, wherein the reaction precipitator adopts an integrated multi-cavity structure; and an automatic backwashing filter. In the equipment, a water flow spraying micro-resistance impact area is arranged in the micro-resistance vortex pipeline mixer; a filter body with adjustable filter holes is arranged in the coarse filter; a multi-stage coagulation reaction zone is arranged in the reaction precipitator; a coagulation reaction system for changing the flow rate and the flow direction of water is arranged in the multi-stage coagulation reaction area; and a filtering device for realizing the natural filtering function of purified water is arranged in the automatic backwashing filter.

The invention discloses a preparation method of a zinc-air battery catalyst. The preparation method comprises the following steps of: S1, adding 2, 5-dihydroxyterephthalic acid and polyacrylonitrile into N, N-dimethylformamide, carrying out ultrasonic dissolution, and then transferring a solution into an injection pump, and performing electrostatic spinning on an electrostatic spinning receiving roller so as to obtain a layer of fiber membrane I; S2, adding cobalt nitrate hexahydrate and polyacrylonitrile into N, N-dimethylformamide, performing ultrasonic dissolution, then transferring a solution into an injection pump, and performing electrostatic spinning on the fiber membrane I to obtain a layer of fiber membrane II; S3, taking down the fiber membrane II from the receiving roller, cutting the fiber membrane II into 2cm*2cm membranes, stacking the fiber membranes, placing the stacked fiber membranes in a 25mL high-pressure reaction kettle, adding a mixed solvent of which the liquid surface is higher than the height of the fiber membranes, pressing a metal block on the stacked fiber membranes to prevent the fiber membranes from floating, carrying out ultrasonic treatment, performing a reaction at 120-135 DEG C for 24-30 hours, performing cooling, filtering and drying to obtain a precursor; and S4, uniformly mixing the precursor obtained in the step S3 with calcium salt, then putting the mixture into a tubular furnace, and calcining the mixture in a mixed gas atmosphere to obtain the catalyst Co-MOF-74 (at) C/Ca.

The invention relates to the field of textile auxiliary agents and in particular relates to a preparation method of a natural alcohol ether modified organic silicon hydrophilic softening agent. The natural alcohol ether modified organic silicon hydrophilic softening agent is prepared from the following components in parts by weight: 100 parts of side-chain hydrogen-containing polydimethylsiloxane,45 to 60 parts of xylitol monoallyl ether and 4 to 6 parts of allyl glycidyl ether into a reaction container with a condensation and refluxing device; introducing nitrogen gas for 0.5h; then startingto stir; adding 0.003 to 0.005 part of a chloroplatinic acid catalyst; then heating to 85 to 100 DEG C and carrying out heat insulation for 2 to 3h to obtain the natural alcohol ether modified organic silicon hydrophilic softening agent. The softening agent can be subjected to crosslinking reaction in a finishing process and the washing resistance of finished textiles is improved.

The invention belongs to the technical field of deodorants and particularly relates to a deodorant for a poultry farm and a preparation method of the deodorant. The deodorant comprises modified tea leaf residues, a ginger extract, a rhizoma cyperi extract, a fructus amomi extract, a schizonepeta extract, a sweet wormwood extract, turpentine, orange flower oil, modified soybean phospholipids, sodium alginate, wood vinegar, cellulase and deionized water, wherein the modified tea leaf residues have strong adsorption performance, are easy to decompose when falling into soil and can improve soil texture; most of the traditional Chinese medicine extraction components have strong volatility, can prolong the reaction time of the deodorant with molecules which produce peculiar smells and are nontoxic and harmless after the reaction; and products obtained after the reaction generally are nitrogen, oxygen and water substances, and therefore secondary pollution to the environment cannot be caused.As a result, combination of all the components in the deodorant have the functions of enhancing bacteriostasis and removing odors, and the removal rates of ammonia, hydrogen sulfide, trimethylamine and indole organic acid all reach 74% or above.

The invention relates to a composite spinning method. The method comprises the following steps of cotton fiber modification, wherein cotton fibers are added into a reaction solution, and cationic cotton fibers are obtained after treatment; flax fiber pretreatment, wherein after flax fibers are subjected to impurity removal and lengthening treatment, an oiling agent is sprayed; sliver pre-processing, wherein the flax fibers and the cationic cotton fibers are mixed and made into roughly-processed slivers, then the roughly-processed slivers are combined and processed into first slivers through acombing process, and wood fibers are utilized to make second slivers; and drawing and spinning, wherein the first slivers and the second slivers form drawn slivers through a drawing process, then thedrawn slivers are spun into spun yarn, and composite spun yarn is obtained. According to the composite spinning method provided in the invention, the cotton fibers obtained after modification have a high a cationic degree, adsorption of dyestuff by the cotton fibers is greatly improved, the dyeing effect of cotton yarn is improved, the obtained blended yarn has high strength, good settability, high spinnability and excellent moisture absorption and air permeability.

An environmentally friendly treating agent for heavy-metal wastewater is disclosed. The treating agent includes, by weight, 30-60 parts of activated carbon, 10-30 parts of calcium hydroxide, 5-15 parts of alum, 10-20 parts of ferric chloride, 20-50 parts of sepiolite, 8-35 parts of natural bleaching clay, 3-10 parts of calcium aluminate and 15-30 parts of magnesium carbonate. The treating agent can form an alkaline environment, can form colloid in a water body and can effectively promote precipitation of heavy metal ions. Raw materials are simple and cheap. The production cost is low. The treating agent is suitable for large-scale industrial application and is high in practicality.

The invention discloses a high-activity collagen filler as well as a preparation method and application thereof, and the preparation method comprises the following steps: step (1): dissolving leather shavings and an alkalized substance buffer agent in water, degrading, cooling, adding protease and ethanol, filtering, and drying in vacuum to obtain collagen/potassium carbonate powder; (2) dissolving palladium acetate, potassium carbonate and 2-dicyclohexylphosphine-2 ', 4', 6 '-triisopropylbiphenyl in tert-butyl alcohol, introducing nitrogen, mixing, and discharging excess air to prepare a catalyst solution; (3) dissolving the catalyst solution, collagen/potassium carbonate powder, potassium carbonate, triethylamine and methanol 4-bromobenzaldehyde dimethyl acetal in tert-butyl alcohol, introducing nitrogen for reaction, cooling, carrying out reduced pressure distillation to remove the tert-butyl alcohol solvent, and adding water to obtain high-activity collagen filler; the particle size of the high-activity collagen filler is 300-800 nm, the particle size distribution coefficient is 0.150-0.350, the high-activity collagen filler has certain amphoteric property, the zeta potential is-20--40 mV, and the content of water insoluble substances is smaller than or equal to 3%.