95 results about "Aluminum hydroxychloride" patented technology

A process for preparing aluminium polychloride from hydrochloric acid and aluminium hydroxide includes such steps as blowing appropriate quantity of chlorine gas into the mixed solution of hydrochloric acid and aluminium hydroxide, reaction of chlorine gas on water in the solution to generate hydrochloric acid and hypochlorous acid as catalyst for next reaction, and reaction of hydrochloric acid on aluminium hydroxide to generate aluminium hydroxychloride. Its advantages are simple process and equipment, short period, and high sterilizing, seaweed-killing and decolouring function. The productis an efficient water deaner.

The invention relates to a multi-element composite flocculant for treating printing and dying wastewater and textile wastewater and a preparing method of the multi-element composite flocculant. The flocculant comprises polymeric aluminium, titanium polysilicic acid aluminium silicate, calcium aluminate powder, aluminium hydroxide gel, konjac glucomannan phosphate, chitosan, sodium silicate and an additive, wherein the deacetylation degree of the chitosan is larger than or equal to 95%. Through appropriate selection of components and proportion, the multi-element composite flocculant has the advantages of being high in flocculation efficiency, small in dosage, wide in temperature application range and pH application range and the like. The multi-element composite flocculant can be used for treatment and purification of the printing and dying wastewater and the textile wastewater and has wide industrialized application prospects and market values.

The invention discloses a high-argillization coal washing agent. The high-argillization coal washing agent is characterized by comprising a collecting agent, a foaming agent and a flocculating agent, wherein the collecting agent is 390-440g/t of N9883; the foaming agent is 400-430g/t of fusel; the flocculating agent comprises polyacrylamide and polymeric aluminum; the control concentration of the polymeric aluminum is 0.5-1.2 percent; the preparation concentration of the polyacrylamide is 0.1-0.15 percent; the usage of the polyacrylamide is required to be controlled to be 0.1-1 percent according to a volume ratio. Compared with the prior art, the high-argillization coal washing agent has the advantages that slime water is timely clarified, so that coal can be washed by clean water, slime is recovered, and the coal washing water is recycled.

The invention discloses a polyacrylamide sewage treating agent and a preparation method thereof. The sewage treating agent is prepared from the following components in parts by weight: 30-40 parts of aluminum polychlorid, 15-25 parts of polyacrylamide, 3-8 parts of quartz sand, 1-5 parts of diatomite, 3-6 parts of dimethyl diallyl ammonium chloride, 5-10 parts of acrylamide, 0.5-2 parts of fatty amine, 0.5-1 part of polyethylene glycol 2000, 0.8-1.5 parts of polysorbate, 0.1-0.5 part of EDTA, 1-5 parts of hydroxypropyl methyl cellulose and 60-70 parts of deionized water. The preparation method comprises the following steps: respectively adding 10-20 parts of dimethyl diallyl ammonium chloride, acrylamide, EDTA, polyethylene glycol 2000, polysorbate and deionized water into a reaction kettle, uniformly stirring, adding fatty amine under nitrogen protection, and heating to react to obtain an intermediate I; and mixing the residual components to obtain an intermediate II, and finally mixing the intermediates I and II to obtain the polyacrylamide sewage treating agent.

The invention discloses a method for preparing a coagulant and an application thereof. The method comprises the following steps: by taking industrial aluminium hydroxide as a main raw material, reacting with a sodium hydroxide solution under high temperature, cooling to room temperature, adding a hydrochloric acid solution into the reaction solution, controlling the basicity of the reaction solution to 2.4-2.7, and rapidly stirring to obtain an aluminium trichloride mixed solution with high basicity containing an active aluminium hydroxide gel; and heating and aging to obtain the coagulant after uniformly mixing the aluminium trichloride mixed solution with high basicity containing the active aluminium hydroxide gel. The invention also discloses an application of the coagulant prepared by the method for removing heavy metals in the water body. The preparation method provided by the invention is simple in process, low in energy consumption and small in device corrosion; and the obtained coagulant is good in stability without changing within 6 months, convenient to use and has a good removing effect on the heavy metals and the COD in the water body.

The invention discloses a preparation method of a modified kaoline alga flocculating agent and application thereof. The alga flocculating agent is prepared by mixing a mixture of chitosan and aluminum hydroxychloride serving as a modifier with kaoline. The preparation method of the kaoline alga flocculating agent provided by the invention has the advantages of easiness for operation, low cost and no secondary pollution because the modifier and a substrate are environment-friendly materials; and simultaneously, the flocculating agent has a high-efficiency flocculation action and a good alga removing effect.

The invention discloses a preparation method of an oily sewage treatment agent for petrochemical industry, and belongs to the technical field of sewage treatment. The preparation method comprises the following steps: 1), taking 1 part of montmorillonite, 1 part of water and 1 part of sulfuric acid; 2) mixing and activating the raw materials in the step 1), and performing plate-frame press filtration to obtain a montmorillonite stock solution; and 3) adding anhydrous aluminum hydroxide, a catalyst and sulfuric acid into the montmorillonite stock solution, and activating; and after the activation process in the step 3) is carried out for 1 hour and the content of aluminum oxide is qualified, continuously activating for 1 hour to obtain a finished product solution. According to the invention, with the agent containing the aluminum hydroxide, the sulfuric acid, the catalyst and the montmorillonite stock solution, the difficult problem that COD, SS, petroleum and total phosphorus are difficult to degrade is solved, the wastewater treatment process of the whole petrochemical industry is further improved, the problem of poor treatment effect of an existing sewage treatment agent (aluminum polychlorid, polyferric sulfate, aluminum sulfate) and other products is solved, and the problem of difficult load operation of later biochemical treatment is solved.

The invention discloses an efficient flame-retardant cable material for a railway locomotive. The efficient flame-retardant cable material is prepared from the following raw materials in parts by weight: 5-7 parts of magnesium hydroxide, 9-11 parts of kaolin, 6-8 parts of polyaluminum chloride, 6-8 parts of tin-bismuth alloy powder, 26-33 parts of polypropylene, 6-7 parts of ammonium polyphosphate, 7-9 parts of conductive mica powder, 3-4 parts of stearic acid, 1-2 parts of polyacrylamide, 0.4-0.6 part of an anti-oxidant 1680, 48-55 parts of ethylene propylene terpolymer, 30-35 parts of polyolefin, a proper amount of absolute ethyl alcohol and a proper amount of deionized water. According to the efficient flame-retardant cable material, the water resistance and moisture resistance of the material can be remarkably improved, and dialysis resistance, in a high polymer material, of a filler is improved; the efficient flame-retardant cable material is efficient, flame-retardant, moisture-proof and waterproof, safe and environmentally-friendly, good in heat resistance, high in oil resistance and chemical resistance, long in service life, and worthy of being popularized.

The invention provides a preparation method and application of a sediment endogenous phosphorus load control bottom sediment modified material. With creatively lake sediments being basic materials, by the utilization of the processes of modifying, granulating, calcining and others of zeolite and aluminum polychlorid, the adsorption-desorption balance concentration of the material for phosphate is obviously reduced, and the maximum adsorbing quantity of the material is increased. By in-situ simulation of a sediment-water interface phosphate release process, it is proved that the material can effectively restrain release of sediment-water interface phosphate; because the desorption capacity of the material for the phosphate is low, and the adsorption capacity is large, the material can really achieve sediment endogenous phosphorus load control, and the purpose of improving the water quality of a lake/reservoir is achieved. Taken materials are cheap, and the material has good economic benefits and high safety and has no ecological risks for a water body of the lake, saves energy, is environmentally-friendly and achieves an obvious control effect on sediment-water interface phosphorus release at different lake regions of the Dian lake during application.

The invention relates to a scale inhibitor containing sodium gluconate. The scale inhibitor comprises the following components by weight parts: 15-19 parts of amino trimethylene phosphonic acid, 10-14 parts of polyaspartic acid, 8-12 parts of hexapotassium salt, 6-10 parts of zinc sulfate, 6-10 parts of tartaric acid, 1-5 parts of aluminum polychlorid, 2-6 parts of dodecyl dimethyl benzyl ammonium chloride, 1-5 parts of butyl hydroxy anisd, 1-5 parts of lauric acid, 2-6 parts of lauryl sodium sulfate, 1-5 parts of sodium gluconate, 0.2-0.6 part of bladder-wrack extracts, 0.2-0.6 part of throatroot root extractives and 52-56 parts of deionized water. The scale inhibitor provided by the invention has excellent inhibiting function for the algae propagated in the salt-draining closed conduit, has excellent scale inhibition effect for the inorganic salt sediment in the salt-draining closed conduit and can prolong the service life of the salt-draining closed conduit for 10-12 years.

Highly sulfated, high basicity polyaluminum chlorosulfate compositions that can be made by mixing dry aluminum hydroxychloride with a solution of aluminum sulfate or by diluting a dry mixture of aluminum hydroxychloride and aluminum sulfate with water.

The invention discloses an acid mist condensing water-saving method of a reaction kettle for producing aluminum polychlorid and a system of the acid mist condensing water-saving method. The acid mist of the reaction kettle for producing the aluminum polychlorid is recycled after being condensed by a condenser, the condenser is cooled by using circulating water, wherein the cooling water temperature is 5-40 DEG C; the circular cooling water is conveyed to the reaction kettle for producing the aluminum polychlorid so as to produce water; liquid after being condensed by the acid mist is delivered into the reaction kettle for producing the aluminum polychlorid to replace the hydrochloric acid; the system is provided with the condenser, a condensing liquid collecting tank, a circulating water tank and a circular water pump; a gas outlet of the condenser is connected with the reaction kettle through a pipeline, a non-condensable gas outlet of the condenser is connected with the acid mist absorbing tower through the pipeline; a condensate outlet is connected with a condensate collecting tank through the pipeline; and the cooling water pipe is orderly connected with the circulating water tank, the circular water pump and the condenser.

The invention discloses a sewage treatment agent for the printing and dyeing industry. The sewage treatment agent consists of the following raw materials in parts by weight: 16-20 parts of ethylenediaminetetraacetic acid disodium, 10-15 parts of sodium bicarbonate, 25-30 parts of sodium laurylsulfate, 22-25 parts of modified kieselguhr, 32-38 parts of polymeric aluminum, 14-16 parts of aluminum sulfate, 30-35 parts of medical stone, 23-25 parts of activated carbon, 10-14 parts of perlite, 8-13 parts of molybdenum sulfide, 14-17 parts of tin oxide powder and 22-27 parts of propylene glycol. The invention further provides a preparation method of the sewage treatment agent for the printing and dyeing industry. The sewage treatment agent disclosed by the invention can play a coordination function due to compounding of raw materials and has a very good treatment effect on sewage of the printing and dyeing industry, treated sewage can meet the national emission effect, the environment can be prevented from secondary pollution, and in addition, the treated sewage can also be recycled, so that the purpose of water resource conservation can be achieved.

The invention relates to a method for performing decoloration treatment on printing and dyeing wastewater by compounding magnesia powder and aluminum polychlorid and belongs to the technical field of wastewater treatment. According to the method, magnesia powder is fed for adsorption, and then aluminum polychlorid is fed for flocculation, and the method is used for treating the printing and dyeing wastewater of which pH value is greater than 10. The synergistic effect of the magnesia powder and the aluminum polychlorid is effectively exerted by compounding the magnesia powder and the aluminum polychlorid, and the method has the advantages of small feeding amount, good decoloration effect, and low treatment cost, and can be directly applied to decoloration treatment of alkaline high-concentration printing and dyeing wastewater.

The invention belongs to the field of sewage processing, and concretely relates to preparation and usage methods of a sewage processing agent. The sewage processing agent comprises the following raw materials in parts by weight: 40-50 parts of river sludge, 25-35 parts of corn straw, 1-5% of ginkgo leaf, 15-20 parts of cactus, 5-10 parts of grape leaf, 15-20 parts of reed leaf, 5-8 parts of whitesugar, 20-25 parts of bentonite, 3-5 parts of plant ash, 1-2 parts of oxalic acid, 15-20 parts of graphite powder, 20-25 parts of polyacrylamide, 25-30 parts of polymeric aluminium, and 3-5 parts of sodium alginate.

The invention discloses a bamboo-wood fiber board using bio-based non-formaldehyde adhesive and a preparation method thereof. The fiber board comprises the raw materials of, by weight, 60-70 parts offirst fiber, 6-10 parts of second fiber, 10-20 parts of adhesives, 25-35 parts of hydrophobic auxiliary agents, 6-8 parts of additives and 6-8 parts of modifiers. The second fiber is prepared from anhydrous aluminum chloride, aluminum powder, water, magnesium lactate and acetic acid, a sol-gel method is adopted during preparation, and the anhydrous aluminum chloride, the aluminum powder and the water are polymerized under a reaction condition to form a linear polymer to obtain polyaluminium chloride sol; and the magnesium lactate is added, the acetic acid is used as a stabilizer, and a spinning solution is obtained by stirring and reduced pressure distillation. According to the fiber board and the preparation method, the bamboo-wood fiber board is reasonable in component design and simplein process operation, the prepared bamboo-wood fiber board does not contain formaldehyde, benzene and xylene toxic substance release, formaldehyde pollution is effectively avoided, and the bamboo-woodfiber board has excellent mechanical property, high strength, excellent hydrophobic property and high practicability.

The invention belongs to the field of sewage treatment techniques and environmental protection and discloses a method for improving the dehydration performance of an anaerobic digestion substrate of papermaking sludge by virtue of combination of two flocculants. The method comprises the following steps: regulating the pH value of the anaerobic digestion substrate of the papermaking sludge to 6.0; firstly feeding 1% aluminum polychlorid solution (counted by dry basis), stirring, feeding 0.1% organic polymer flocculant cationic polyacrylamide solution (counted by dry basis) for chemical conditioning; carrying out a vacuum filtration dehydration process. According to the method, the moisture content of the anaerobic digestion substrate of the papermaking sludge is decreased from 75% to be about 37%, and the dehydration rate reaches 85% or above; the application process is simple, and the operability is strong; by virtue of simple suction filtration dehydration on the conditioned anaerobic digestion substrate of the papermaking sludge, relatively low moisture content can be achieved, efficient solid-liquid separation can be realized, and a foundation is laid for the duly treatment of the anaerobic digestion substrate of the papermaking sludge, so that the method has an important engineering application value.

A graphene painting mist treating agent comprises an A agent and a B agent; wherein the A agent is prepared from the following raw materials in percentage by weight: 0.02-0.08% of modified graphene, 1.6-2.6% of water-soluble melamino-formaldehyde resin, and 0.2-0.6% of sodium hydroxide; the B agent is prepared from the following raw materials in percentage by weight: 0.06-0.12% of water-based sodium bentonite, 0.2-0.5% of water-soluble acrylic resin, 5-10% of aluminium polychlorid and the balance of water. By using the graphene painting mist treating agent, adhesion of paint slag is completely eliminated, so that the paint slag is not adhered to a water screen or water curtain, air quality in a spraying room is increased, and no flying paint phenomenon exists in a factory; the paint slag completely flocculates and floats upwards, so that the paint slag is convenient and simple to fish out cleaning the bottom of a groove is not affected, and the cost for cleaning the groove is not increased; recycled water is clear and transparent; and the addition amount of drugs is small, so that costs are reduced and discharge is reduced.

The invention relates to a metal anode oxidation sewage multilevel treatment system and treatment method thereof. The metal anode oxidation sewage multilevel treatment system comprises a waste water collection pond for collecting metal anode oxidation waste water, a comprehensive reaction pond for adding a COD removal agent, lime, sodium pyrosulfite and a decoloring agent to react with the waste water, a press filter apparatus for separating the sewage from the water, a press filter water collection pond for collecting the water press filtered by the press filter apparatus, a level-l stirring pond for adding aluminum polychlorid to react with the press filtered water, a level-II stirring pond for adding polyacrylamide to react with the water treated by the level-I stirring pond, a level-III stirring pond for receiving the water in the level-II stirring pond, a level-I settling pond for settling the water in the level-III stirring pond, and a level-II settling pond for settling the water in the level-I settling pond. By adopting the metal anode oxidation sewage multilevel treatment system and method, reagents added in the metal anode oxidation process can be removed pointly. The comprehensive reaction pond is provided with an air blowing apparatus for stirring, so that the reaction area and efficiency can be effectively increased.

The invention discloses a treatment method of aluminum trichloride wastewater, which comprises the following steps: adding a solvent A into the aluminum trichloride wastewater generated in the production process of 2-chloro-4-(4-chlorophenoxy)acetophenone for first extraction, and removing a solvent layer to obtain a first extraction solution; adding a solvent B into the first extraction solution for second extraction, and obtaining a second extraction liquid after a solvent layer is removed; rectifying and separating out a small amount of fatty alcohol contained in the secondary extracting liquid, and then conducting evaporating, dehydrating and concentrating to obtain a concentrated solution; adding an alkaline substance into the concentrated solution in a stirring state to obtain a neutralized solution; raising the temperature of the neutralized solution to 30-150 DEG C, preserving heat for 1-48 hours, and then reducing the temperature to -10 DEGC to 40 DEG C to obtain a cured solution; and filtering the cured solution, wherein the filtrate is a polyaluminum chloride flocculant. The treatment method of the aluminum trichloride wastewater provided by the invention is economical and simple and convenient to operate, and the aluminum trichloride wastewater can finally become a high-quality polyaluminum chloride flocculant.

The invention provides a preparation method of alumina-zirconia composite staple fibers. The preparation method comprises the following steps of A) preparing poly aluminum chloride sol; mixing a zirconium oxychloride solution and the poly aluminum chloride sol to obtain zirconium-aluminum gel; B) peptizing the zirconium-aluminum gel to obtain a zirconium-aluminum solution; C) mixing the zirconium-aluminum solution with an aqueous solution of a spinning auxiliary agent, and performing distilling and concentrating to obtain a zirconium-aluminum composite spinning solution; D) aging the zirconium-aluminum composite spinning solution, and then throwing threads to form fibers to obtain precursor fibers; and E) carrying out heat treatment on the precursor fibers to obtain the alumina-zirconia composite staple fibers. According to the preparation method of the alumina-zirconia composite staple fibers in the invention, a single inorganic aluminum source and an inorganic zirconium salt are usedfor reaction, and the characteristics of firstly gelling and then peptizing are utilized, so that the stability of the sol spinning solution is improved without the need of adding an additional stabilizing auxiliary agent an crystal grain inhibitor, and the method is simple and safe and is suitable for preparing the alumina-zirconia composite staple fibers in industrial production.

The invention discloses an industrial wastewater adsorbing material. The industrial wastewater adsorbing material is prepared from the following raw materials in part by weight: 8-17 parts of sea-foam stone powder, 5-9 parts of sodium hydroxide caustic soda flakes, 4-11 parts of aluminum polychloride, 9-15 parts of natural zeolite, 2-8 parts of natural fiber, 5-10 parts of ethylene dimethylsiloxane, 4-9 parts of soybean protein, 4-8 parts of bentonite, 2-6 parts of ferric oxide, 5-9 parts of polyvinyl ester, 3-8 parts of soda lime and 1-5 parts of hydroxyethyl cellulose. The adsorbing material disclosed by the invention has the beneficial effect that the industrial wastewater adsorbing material is capable of quickly adsorbing and precipitating heavy metal ions in the industrial wastewater; and the use method is simple and the application range is wide.

The invention discloses a boiler exhaust gas and wastewater treatment technology. The boiler exhaust gas and wastewater treatment technology is characterized in that firstly wastewater enters a coagulation reaction tank, a coagulant, namely aluminium polychlorid and a coagulant aid, namely polyacrylamide are added to the wastewater, granular and colloid pollutants in the wastewater form lots of small granular suspended solids under the effect of the aluminium polychlorid, and the suspended solids formed in the wastewater further polymerize and form larger granular flocs under the effect of the polyacrylamide; yielding water of the coagulation reaction tank enters a sedimentation tank and is subjected to solid-liquid separation, and finally yielding water of the sedimentation tank flows into a sand filter, so that tiny suspended matters and impurities in water are further removed, and yielding water in the sand filter can be discharged after reaching the standard. The boiler exhaust gas and wastewater treatment technology has the advantages that a coagulating sedimentation and sand filtration treatment combined technology is adopted, the treated wastewater can be recycled, lots of resources are saved, the green production can be realized, and a famous clean production environment is created.