69results about How to "With decolorization" patented technology

The invention relates to a composite material with anti-bacterial and purifying functions and a preparation method of the composite material, and belongs to the technical field of environmental-friendly materials. The composite material with the anti-bacterial and purifying functions comprises raw materials in parts by weight as follows: 70-95 parts of a mineral composite adsorption material, 3-25 parts of a photocatalytic degradation material, 2-15 parts of a rare earth inorganic anti-bacterial material and 1-10 parts of an additive, wherein the mineral composite adsorption material is prepared from sepiolite, diatomite, medical stone and attapulgite; the photocatalytic degradation material is prepared from titanium oxide, tourmaline and far infrared ceramic powder; the rare earth inorganic anti-bacterial material is prepared from zinc oxide, cerium oxide and silver oxide; the additive is a mixture of activated carbon, carboxymethylcellulose and pumice powder. The composite material with anti-bacterial and purifying functions has high adsorption and decomposition rate, can be resistant to water and damp and has excellent anti-bacterial effect. Meanwhile, the invention provides the preparation method. According to the preparation method, the cost is low, the amount of produced wastewater is low, and powder is simple and convenient to apply.

The invention relates to a process for treating livestock and poultry breeding sewage entering the Lake Taihu. According to the designed and adopted treating process, the technology that primary precipitation and filtration, anaerobic-aerobic biochemical treatment, dosing flocculation and coagulation reactions and membrane module filtration are combined is mainly used, and a material method for adding a compound water treatment agent is adopted, so that efficient denitrification, dephosphorization and COD reduction functions are realized; meanwhile, the process has good decoloration and sterilization effects. According to the process, the operation cost and the management cost are low, the sewage treatment effect is good, and treated livestock and poultry breeding sewage can reach the state-specified first-class discharge standard for sewage treatment in Lake Taihu regions.

The invention relates to a modified activated carbon purifying agent which is prepared from the following raw materials in parts by weight: 110-120 parts of activated carbon, 3-6 parts of magnesium nitride powder, 5-8 parts of bentonite, 5-8 parts of kaolin, 5-8 parts of kieselguhr, 4-6 parts of zeolite, 2-4 parts of trichloroisocyanuric acid, 15-20 parts of boric acid, 8-10 parts of citric acid, 4-5 parts of modified kieselguhr and right amount of water. The bentonite and other natural stone materials are utilized to modify the activated carbon, so that the activated carbon has the effects of microbial resistance, decolorization, flocculation, ion exchange, beneficial microelement release and the like; the iodine sorption value and methylene blue adsorptive value of the activated carbon purifying agent exceed the standard values of National Wood Water Purification Activated Carbon Grade 1; and the modified activated carbon purifying agent is simple and effective, and has the advantages of wide raw material sources, low cost, low corrosivity and small environmental pollution.

The invention discloses a high-performance nanometer thermal-insulation paste comprising the following components and contents based on weight percentage: 58-65% of water, 18-22% of sepiolite velvet, 2.5-4% of aerogel, 5-8% of glass beads, 3-5% of mineral fibre, 0.5-0.8% of penetrant, 2-5% of activator, and 0.5-1.0% of composite admixture. Compared with the prior art, the high-performance nanometer thermal-insulation paste is featured with excellent crush resistance and tensile strength, crack resistance, thermal insulation and weather resistance.

The invention discloses a sewage treatment process combining electroflotation and electric flocculation. The sewage treatment process involves the electric flocculation and the electroflotation, and sewage passes through the electric flocculation and then enters the electric flocculation for treatment; the electric flocculation includes the following steps: (1) breaking bonds; (2) performing oxidation reduction; and (3) performing flocculation and precipitation; and the electroflotation comprises the following steps: (1) when electrolyzed wastewater electrolyzes, bubbles are generated on the surface of positive and negative plates, and precipitated and floated up; (2) the bubbles are attached to impurity particles and oil in water and float to the surface of the water, and then the floating impurity particles and oil are drained by a scum channel to a sludge tank; and (3) the lower layer of an air flotation water tank is provided with a mud discharging pipe that discharges part of settled sludge according to setting time. The process of the invention utilizes a principle of electrochemistry, generates an electrochemical reaction by applying high voltage, converts electrical energyinto chemical energy, performs oxidation and reduction reactions on organic or inorganic pollutants in wastewater, then performs agglomeration and floatation and removal, thereby removing pollutants from the a water body, and can effectively remove various heavy metals and various harmful pollutants in the wastewater.

The invention relates to a modified and high-efficiency multi-function decolorizer of titanium dioxide acid hydrolysis waste residue and a preparation method thereof. Acid hydrolysis waste residue containing titanium sulfate is successively and respectively added with sodium hydroxide, peroxide, waste acid and calcium and magnesium powder according to the weight rate of the materials, therefore, the acid hydrolysis waste residue containing titanium sulfate generates nanometer titanium dioxide by nutralization, hydrolysis and acidification; added ferrous iron and iron in the acid hydrolysis waste residue are dehydrated at the temperature of 100-200 DEG C, oxidized at the temperature of 400-500 DEG C and then generate polymerization ferrous sulfate after natural cooling, telomerization and aging. The organic pollutants in wastewater are rapidly degraded by nano TiO2 and directly converted into non-toxic and harmless CO2, H2O and inorganic matters. Without changing the pH value of original sewage, the coagulation speed is fast, alumen ustum is big, settlement is quick, and the decolorizer has the functions of decolorization, degerming, removing radioactive elements and heavy metal ions, reducing COD and BOD, small feeding amount and strong adaptability.

The water treatment process adopting electrolysis and packed filtration cleaning mode includes the following steps: 1. pumping the water to be treated into electrolytic equipment; 2. adopting D.C. electrolysis; 3. after D.C. electrolysis, in the water in the electrolytic cell producing H2, O2, CO2 and Cl2, etc.; and 4. feeding the water treated by electrolysis into packed filter, in which the manganese sand, quartz sand, active carbon, magnet ore and quartz, etc. can be filled. Said invention utilizes the bubbles produced by electrolysis and electrolytic oxidation of organic matter to separate the gases of H2, O2, CO2 and Cl2 from water, and utilizes the oxidation filtration so as to clean water.

The invention provides a hydrophobic modified chitosan flocculant as well as a preparation method and an application thereof. The chitosan flocculant has the structure shown in the structural formula.The flocculant has proper hydrophobicity and can better interact with hydrophobic pollutants in water; by means of a graft modification method, the number and molecular weight of functional groups are increased, the flocculating performance is enhanced, and the flocculant has very excellent flocculating performance for hydrophobic pollutants in water. The preparation method of the hydrophobic modified chitosan flocculant is simple to operate and short in synthesis time, widely sourced biomass products are used as main materials, and the method is low in cost and suitable for large-scale industrial production and is an economical preparation method for obtaining high-quality water treating agents.

A kind of industrial wastewater treatment agent based on multi-effect dephosphorization disclosed by the present invention, in the reactor with reflux condensing device, add 240kg of dimethyl diallyl ammonium chloride cationic monomer, diallylamine 10 kg, 8 kg of glacial acetic acid, heat up to 82°C, add 0.2kg of compound initiator, control the reaction temperature not to exceed 100°C, add 0.2kg of compound initiator after natural cooling to 82°C, and then add 0.3kg composite initiator, after heating up, heated to 95°C for 2 hours to prepare cationic polymer for later use. In another reactor, add 60 parts of water, 100 parts of industrial hydrochloric acid, 10 parts of ferric chloride, 60 parts of calcium aluminate, and stir the reaction. When the temperature rises to 80°C, add 10 parts of the cationic poly Raise the temperature to 90~95°C, react for 4 hours, discharge and mature for 24 hours to get the product. The product prepared by the invention has excellent phosphorus removal effect, and simultaneously has functions such as flocculation, decolorization, deodorization, and COD removal.

The invention relates to an oil filter of nonferrous metal foil rolling industry, comprising a sump oil pool or a sump oil tank, an oil cleaning pool or an oil cleaning tank, and an oil filtering system, wherein the oil filtering system comprises a coarse filtering oil-water separation device, a fine filtering destaining device, a buffering tank and a vacuum pump; the oil outlet of the coarse filtering oil-water separation device is communicated with the fine filtering destaining device through a pipeline, the oil inlet of the coarse filtering oil-water separation device is communicated with the sump oil pool or the sump oil tank by the pipeline or a piping pump, the oil outlet of the fine filtering destaining device is communicated with the upper part of the buffering tank by a pipeline, the oil cleaning pool or the oil cleaning tank is communicated with the lower part of the buffering tank, and the vacuum pump is communicated with the top part of the buffering tank by a pipeline. The oil filter of the invention can realize on-line cycle operation, does not need to add filter aid duty to duty, and does not need to change filter cloth day to day, thereby not only saving a great amount of funding, but also avoiding economic loss caused by machine halt. The oil filter has no effluent discharge, high automation degree, easy control, simple structure and convenient operation, reduces labor intensity for workers, and is beneficial to environment protection and promotion and implementation.

The invention relates to electrolytic equipment for sewage treatment by environment friendly technology (EFT). After using the electrolytic equipment, the treated sewage can be discharged up to the standard and the service life of the electrode plate is greatly prolonged.

The invention discloses a cyperus alternifolius biological carbon preparation method based on an artificial wetland system. The method includes the steps: (1) removing root leaves of fresh cyperus alternifolius, retaining stems, and cleaning, dicing and air-drying the fresh cyperus alternifolius; (2) drying and crushing the cyperus alternifolius stems reaching standards after toxicity detection, and screening the cyperus alternifolius stems by a 100-mesh screen; (3) roasting powdery cyperus alternifolius at high temperature under anaerobic or anoxic conditions to obtain cyperus alternifolius biological carbon. The biological carbon prepared by the method has good structural stability and can effectively adsorb heavy metal cadmium in water. The cyperus alternifolius discarded in an artificial wetland is sufficiently used, and a novel way is provided for dealing with heavy metal pollution.

The invention relates to sepiolite-loaded soluble rubber powder modified asphalt and a preparation method thereof. The asphalt comprises the following raw materials in parts by weight: 10-15 parts ofrubber granules, 65-73 parts of petroleum asphalt, 10-15 parts of sepiolite powder, 0.1-1 part of a stabilizer, 5-8 parts of rubber oil and 0.1-1 part of a cross-linking agent. The preparation methodcomprises the following steps: drying the sepiolite powder for later use; shearing the rubber granules to obtain rubber powder, mixing the rubber powder with the sepiolite powder, adding the rubber oil, and carrying out dispersion treatment; heating the petroleum asphalt, adding a sepiolite powder loaded rubber powder modifier, shearing a mixed material, adding the stabilizer, stirring, adding thecross-linking agent, and stirring; heating the material, carrying out swelling development on the sepiolite powder and the rubber powder in the petroleum asphalt to obtain the sepiolite-loaded soluble rubber powder modified asphalt. Compared with the prior art, the asphalt is capable of remarkably alleviating problems that aging can be resulted as rubber asphalt is too large in viscosity in the production and construction process and too high in construction temperature, and has the advantages of being small in production smell, good in environment protection, and the like.

The present invention provides a printing and dyeing wastewater treatment agent and a preparation method thereof, and the printing and dyeing wastewater treatment agent comprises the following components by mass: 60-80 parts of calcium aluminate powder, 10-15 parts of potassium periodate, 5-9 parts of polyacrylamide, 6-8 parts of malic acid, 20-40 parts of bentonite and 30-40 parts of diatomaceous earth. The printing and dyeing wastewater treatment agent is capable of removing heavy metal ions, COD, dyes and other harmful substances in printing and dyeing wastewater, and also has the role of decolorization, deodorization, degreasing and sterilization, the decolorization rate can reach 95% or more, and the printing and dyeing wastewater treatment agent is simple preparation method in and low in cost.

The invention discloses a temperature-sensitivity chitosan flocculating agent, a preparation method and an application thereof. The temperature sensitivity chitosan flocculating agent has a structure shown as a following formula in a specification, wherein a average value range of n is 0.47-19.47, unamidated and amidated chitosan repeating units are irregularly arranged, and the ratio scope of a to b is 0.042-0.99. According to the invention, a temperature sensitive monomer is polymerized, chitosan molecules are introduced to obtain the temperature sensitivity chitosan flocculating agent, temperature is switched to about 25 DEG C; through a method of first polymerization and second grafting modification, function group number and molecular weight are increased, bridge formation flocculation effect is enhanced, flocculation removal requirement of a pollutant in polluted water body at the temperature of about 25 DEG C can be satisfied, a poly-n-propyl acrylamide grafted chain can generate hydrophility or hydrophobicity by following with the temperature change, and the chitosan flocculating agent has excellent flocculation capability on the pollutant with easy transition of hydrophility/hydrophobicity in water body.

The invention discloses a starch-based montmorillonoid composite adsorption material with various charges distributed on the surface and a preparation method of the starch-based montmorillonoid composite adsorption material, and belongs to the technical field of preparation of absorbents. The method comprises the following steps: (1) preparing a starch milk solution; (2) carrying out cationizationon starch molecules; (3) preparing negative ions and a nonionic solution; (4) carrying out anionization on the starch molecules, and introducing a nonionic group; and (5) preparing the starch-based montmorillonoid composite adsorption material. By molecular modification such as amination, phosphate esterification and net working, cations, anions and nonionic groups are introduced, the various charges are distributed on the surface, and a special molecular structure space effect is achieved. The montmorillonoid as a traditional adsorbent is introduced, the specific surface area is increased, and the adsorption capacity is increased. The starch-based montmorillonoid composite adsorption material with various charges distributed on the surface has double adsorption characteristics of anion and cation starch and the montmorillonoid, and the composite absorption material is easily separated after absorption is finished.

The invention provides a water purifier and a preparation method thereof and relates to the technical field of water purifiers. The water purifier is mainly obtained by mixing a first component, a second component and a third component in a weight ratio of 1:3:(2-4); the first component comprises diallyl dimethyl ammonium chloride, benzoyl peroxide and acrylamide in a weight ratio of 1:0.1:(25-30); the second component comprises allyl chloride, ammonium persulfate and dimethylamine in a weight ratio of 1:0.1:(3-8); and the third component comprises an aluminum series water purification combination and an iron series water purification combination in a weight ratio of 1:(1-2). The water purifier provided by the invention has the characteristics of good water purification effect, no toxicity and low price and has higher market promotion value.

The invention relates to a water purifying agent for rapid treatment of industrial wastewater and a preparation method thereof, wherein the water purifying agent comprises the following components inparts by weight: 20-35 parts of a nano diatomite powder/cellulose composite material, 5-10 parts of alkyl glycoside or derivative surfactant thereof, 60-75 parts of a flocculating agent and 2-6 partsof nitrifying bacteria. The water purifying agent prepared by the invention is simple in components and reasonable in proportion, does not contain heavy metal components in the formula, is mostly a natural compound, is an environment-friendly water purifying agent, and avoids secondary pollution to a water body; cellulose and diatomite powder are subjected to nanocrystallization and compounding, have huge specific surface area, can adsorb a large number of polluting organic matters, are fully mixed with specific contents of raw material components, and have the effects of rapid sedimentation,decolorization and COD removal; and alkyl glycoside or derivatives thereof are added, so that the water purifying agent has sterilization and disinfection effects on the water body, can effectively kill bacteria and microorganisms in the water body, and avoids water body pollution caused by mass propagation.

The invention provides a preparation method of a catalyst for removing ammonia nitrogen in landfill leachate by electrolyzing and an electrolyzing device thereof. The method comprises the steps of soaking an activated carbon powder in a metal dipping solution; adsorbing; and then sintering with clay to form a metal-loading catalyst. The catalyst is capable of increasing the oxidization efficiencyof the electrolyzing device, so that ammonia nitrogen can be conveniently removed, and the removing rate is beyond 85%. The electrolyzing device comprises a reaction housing, a negative plate arrangedin the reaction housing, a positive plate arranged in the reaction housing, and the catalyst prepared by the abovementioned method. The electrolyzing is capable of completely and catalytically oxidizing, adsorbing and filtering the landfill leachate, so that the water quality of the leachate can be improved.

The invention relates to an electrode plate of an inert composite electrode adopting environment friendly technology (EFT), in particular to a negative plate of the inert composite electrode, and a preparation method and application of the electrode plate. After using the electrode plate, the treated sewage can be discharged up to the standard and the service life of the electrode plate is greatly prolonged.

The invention relates to a new technology for treating production wastewater generated from effective component extraction of coal tar. The technology comprises the following steps that (1) the coal tar wastewater is pumped into an adjusting pond; (2) the wastewater in the step (1) is conveyed into a coagulation air floatation system for flocculation; (3), dross obtained in the step (2) after theflocculation is dehydrated; (4) the wastewater in the step (2) after the flocculation flows through a biochemical system, a precision filtering system, an advanced electrocatalytic oxidation system and an ultrasound system in sequence and flows into a sand filtration and carbon filtration system; (5) a filtrate treated by the sand filtration and carbon filtration system in the step (4) is conveyedto an ultrafiltration system; (6) concentrated water treated by the ultrafiltration system in the step (5) is returned to the sand filtration and carbon filtration system, and the filtrate directly flows into a DTRO reverse osmosis system; (7) the concentrated water treated by the DTRO reverse osmosis system in the step (6) is returned to the adjusting pond, and clear water can be directly recycled; the technology is low in treatment cost, and the treated wastewater can stably come up to the standard for being discharged or recycled.

The invention relates to the technical field of cosmetics, in particular to a blackhead-removing essence composition with efficient export and anti-inflammatory effects. The essence composition comprises the following components: water, glycolic acid, butanediol, a centella asiatica extract, a polygonum cuspidatum root extract, a scutellaria baicalensis root extract, a tea leaf extract, a glycyrrhiza glabra root extract, a chamomilla recutita flower extract, a rosemary leaf extract and triethanolamine. The glycolic acid in the raw materials is a cutin softener and has very small molecular weight, so that the glycolic acid can well permeate skin pores, and the cutin softening efficiency is higher; meanwhile, various plant essence components such as the scutellaria baicalensis root extract and the chamomile flower extract also have the capabilities of inhibiting dermatitis, enhancing skin resistance, neutralizing released histamine and preventing skin allergy, so that the blackhead-removing facial cleanser can play a role in efficiently removing blackheads under mild and non-irritating conditions, and also can enable the blackhead-removed skin to be white, tender and bright.

The invention discloses biological diesel fuel polymolecular distillation process, comprising the following steps: putting the biological diesel fuel into first grade molecular distillation device, evaporating water and air, putting the distillate into container, then putting the materials without being distilled into second grade distillation device; the putting the materials into container; putting the material without being distilled into gathering tank, or putting them into next grade distillation device; after n grades distilling, putting the valid combination into container, and putting the refuse into gathering tank. The distillation number of steps is between 2 and 6.

The invention relates to a thickening type efficient foam dust settling agent for a coal mine excavation face, and belongs to the technical field of dust falling. The invention discloses a foam dust settling agent that includes the following parts in percentage by weight: the foaming agent is coconut oil diethanolamide of 0.80%-0.95%; the foam stabilizer is 0.03%-0.04% of carboxymethyl cellulose;the wetting agent is 0.15%-0.20% of fatty alcohol-polyoxyethylene ether glucoside; the thickening agent is 0.20%-0.40% of cationic polyacrylamide, and the water is 98.41%-98.82%. The foam dust-settling agent has the advantages that the foam dust-settling agent can completely wrap, wet and settle dust generated by a dust source by utilizing foam, so that efficient dust settling is realized.

The invention discloses a method for reducing the content of heavy metal nickel absorbed by pakchoi. Bamboo charcoal, sepiolite, erionite, cow dung biochar and litchi rind powder are added into soil polluted by heavy metal nickel. The soil polluted by lead has the pH value of 4-5 and the total lead content of 3.5mg/kg. The method employs the following materials: 90-95 parts of soil polluted by heavy metal nickel, 1-2 parts of bamboo charcoal, 2-4 parts of sepiolite, 1-3 parts of erionite, 0.8-1 part of cow dung biochar and 5-10 parts of litchi rind powder. By using the method, the content of nickel in roots and leaves of pakchoi can be remarkably reduced. The method has an effect on improving soil.