2325 results about "Aluminium chlorohydrate" patented technology

The present invention is sludge curing agent and its application, and belongs to the field of soil treating chemicals technology. The sludge curing agent includes powdered components and liquid components, the powdered components include cement clinker 30-60 weight portions, slag 30-60 weight portions, lime 3-8 weight portions, gypsum 1-7 weight portions and other sulfates 1-7 weight portions; and the liquid components include polyacrylamide 5-30 weight portions, polyaluminum chloride 0-20 weight portions, mannitol 0-30 weight portions, lignosulfonate 20-80 weight portions, lignosulfonate-iron or chromium ion complex 0-30 weight portions, alkylphenol ethoxylate 0.2-2 weight portions, tannin 0-10 weight portions, humate 0-10 weight portions, and alpa-olefin sulfonate 0.2-2.5 weight portions. The sludge curing agent has low cost, small consumption, high cumulate strength and high cumulate water tolerance, and may be applied widely.

is the invention discloses a flocculating agent for filthy mud dehydration, which is composed of polyaluminium chloride and polyacrylamide. The flocculating agent addition is 4.92 percent to 10.18 percent by weight of the solid content of the filthy mud; and the polyaluminium is 4.38 percent to 5.33 percent by weight of the flocculating agent. The flocculating agent has the advantages of low specific impedance value of the filthy mud and high solid content of filter mass after dehydration. The method of filthy mud dehydration and the method of flocculating agent adding are as follows: polyaluminium chloride is added first, then is fast stirred at the speed of 32.0 r/m for two minutes and slowly stirred at the speed of 10.0 r/m for three minutes, and the pH value of sewage mud is regulated to 6 to 8; and the polyacrylamide is added, is fast stirred at the speed of 32.0 r/m for three minutes and then is slowly stirred at the speed of 10.0 r/m for seven minutes. The methods have the advantages that the flocculating agent can fully contact solid grains to facilitate the flocculating agent to trap colloid grains, so that the concentration distribution of the flocculating agent is uniform; large grains can not be stirred into small grains, precipitated grains can not be stirred into non-precipitated grains, so that the flocculation effect is improved.

The invention discloses a new method for resource comprehensive utilization of red mud and fly ash, and relates to a comprehensive utilization of industrial waste, specifically to a preparation method for a flocculating agent of aluminum ferric chloride and white carbon black. The method comprises the following steps: (1) acid leaching: the red mud and the activated fly ash are adopted as raw materials, and react with HCl, wherein the leaching temperature is 70-90 DEG C, a solid-liquid ratio is 10:1-10:3, the HCl concentration is 3-6 mol.L<-1>, the leaching time is 4-10 hours; (2) polymerization: Na2CO3 is added to a dissolution solution 1 to carry out telomerization, a dissolution solution 2 is added to the dissolution solution 1 until the dissolution solution 1 is stable, then the polymerization reaction is performed to obtain the polyaluminum ferric chloride, wherein the temperature is 60-70 DEG C, the pH value is 2.5-3.0, the aging time is 12-24 hours; (3) white carbon black preparing: a NaOH solution is adopted to carry out alkali dissolution to dissolve the filter residue, then treatments of acidification and calcination are performed to obtain the powder SiO2, wherein the alkali dissolution temperature is 80-100 DEG C, the time is 4-8 hours.

The invention discloses a method for treating stainless steel cold rolling pickling waste water, which adopts a lime milk pretreatment process and a waste water segmental treatment process and comprises the following steps of: firstly, performing lime milk pretreatment on the waste water to control the pH value between 5 and 6; secondly, adding liquid caustic soda to remove heavy metal ions in the waste water so as to form a metal oxide precipitate; and finally, treating fluorine ions, namely adding polyaluminium chloride and lime milk to remove the fluorine ions, and filtering and discharging the waste water after adjusting the pH. The treatment method has good using effect, the waste water reaches the required standard and is stable, the sludge quantity is small, and the cost is low.

The invention relates to the technical field of water treatment agents and particularly relates to a multifunctional sewage treatment agent. The multifunctional sewage treatment agent comprises the following raw materials in parts by weight: 10-20 parts of sepiolite powder, 30-40 parts of bentonite, 30-40 parts of starch xanthate, 0.1-0.5 part of sodium hydroxide caustic soda, 1-5 parts of polyaspartic acid, 0.1-0.5 part of amino trimethylene phosphonic acid, 25-50 parts of cross-linked rectorite, 20-50 parts of aluminum polychlorid, 5-30 parts of chitosan and 10-30 parts of deionized water. The multifunctional sewage treatment agent provided by the invention is high in purity, free of impurity and dustless, the aqueous solution is clear, transparent, non-toxic and free of effect on operation workers, and the treated water is free of problems such as secondary pollution.

The invention relates to the technical field of wastewater treatment, and particularly relates to a dyeing wastewater treatment agent and a preparation method thereof. The dyeing wastewater treatment agent comprises the following raw materials in parts by weight: 2-10 parts of ferrous sulfate, 20-30 parts of magnesium sulfate, 0.5-2 parts of polyacrylamide, 10-20 parts of iron nitrate, 1-5 parts of nickel nitrate, 40-60 parts of polyaluminum chloride, 10-20 parts of modified kieselguhr, 8-22 parts of meerschaum powder, 10-20 parts of crosslinked rectorite, 5-10 parts of chitosan-graphene composite material and 1-3 parts of graphene nano layer/MnO2 compound. The dyeing wastewater treatment agent provided by the invention has the advantages of convenient production method, low investment, quick effect taking and no secondary pollution.

The invention relates to the technical field of wastewater treatment, and in particular relates to a papermaking wastewater treating agent and a preparation method thereof. The papermaking wastewater treating agent comprises the following raw materials in parts by weight: 2-10 parts of ferrous sulfate, 10-20 parts of magnesium sulfate, 0.5-1.5 parts of polyacrylamide, 15-25 parts of ferric nitrate, 1-5 parts of nickel nitrate, 35-50 parts of polyaluminum chloride, 15-30 parts of starch xanthate, 2-5 parts of tetrasodium 2-phosphonobutane-1, 2, 4-tricarboxylate, 0.5-1 part of zinc sulfate, 1-3 parts of benzotriazole, 16-30 parts of modified kieselguhr, 5-20 parts of cross-linked rectorite and 5-8 parts of a chitosan-graphene composite material. The papermaking wastewater treating agent disclosed by the invention is wide in using range, simple in treatment process, small in drug consumption, good in treatment effect, stable in performance and good in effluent quality and is capable of effectively reducing the cost of water treatment, so that the papermaking wastewater treating agent has a very good economic benefit and a wide social benefit.

The invention relates to a method for producing an aluminum polychlorid water purifying agent from waste hydrochloric acid and aluminum ash. The method comprises the following steps: carrying out dissolving reaction on the solid waste aluminum ash produced in an aluminum electrolysis process and waste hydrochloric acid produced in a resource utilization process of high-aluminum coal ash, so as to obtain an aluminum-containing solution; adding alkaline salt or alkali into the aluminum-containing solution, and carrying out polymerization reaction, so as to obtain a primary product; and ageing the primary product, so as to obtain an aluminum polychlorid liquid product. By utilizing the method, the problems of solid waste pollution and wastewater emission can be solved, and the aluminum polychlorid product meeting the index requirements of national standard (GB15892-2009) can be prepared; and the method has good economic and social values.

This invention relates to antiperspirant compositions comprising soy products, one ore more antiperspirant agents such as aluminium chlorohydrate and a stabilizing system, which additionally influence hair growth.

The invention discloses a method for treating heavy metal industrial sewage, sequentially comprising the following steps of: a, infusing sewage to be treated to a regulating tank, and staying for 6-8 hours; b, infusing supernate obtained in the step a to a reaction tank, adding medicament to perform chemical treatment for heavy metal ions; c, infusing supernate obtained in the step b to a pH adjusting tank and adjusting pH value to 9.0-10.0; d, infusing sewage obtained by the step c to a flocculation tank, adding aluminum polychlorid based on the standard of 5-10mg/L, reacting for 15-20 minutes to perform flocculoreaction; after introducing the supernate to the concentration tank, infusing the sewage in the tank at the flow rate of 3-5m/s by using a centrifugal pump to a pipe-type microfiltration membrane with the aperture of 0.05-20 microns, filtering the sewage and performing advanced treatment for the effluent obtained by entering a reverse osmosis system, and guiding the concentrated sewage back to the microfiltration concentration tank for circular filtration. The method has simplified steps and is particularly suitable for pre-treatment of high-concentration heavy metal ion sewage.

The invention relates to a braking-free brick mainly prepared from polyaluminum chloride waste residues and red mud and a preparation method thereof. Raw materials for preparing the braking-free brick comprise the red mud, the polyaluminum chloride waste residues, an active mineral material, lime and gypsum. The preparation method comprises the following steps: uniformly mixing the raw materials in proportion, adding 8-12 parts of water, stirring, mixing, carrying out compression molding, sprinkling water and curing. The preparation method has the advantages that the red mud and the PAC (polyaluminum chloride) waste residue are used as the main raw materials, pulverized fuel ash, cement, the lime and the gypsum are added, so that the using amount of an excitant is reduced, the strength of the brick is improved, the usability of the braking-free brick can be improved, meanwhile the national standard requirements are completely satisfied, a gel material does not need to be added in a production process, the heat energy does not need to be consumed, the accumulation of the red mud and the PAC is reduced in a larger sense, and the pollution to environments due to the emission of the red mud and the PAC waste residues is solved.

The invention discloses a method for industrially producing polyaluminum ferric chloride water purifying agent by utilizing fly ash. , put the obtained qualified feed liquid into the clarifier for solid-liquid separation, the separated supernatant liquid is injected into the polymerization kettle, add the polymerization agent, fully stir, and obtain the polyaluminum ferric chloride liquid water purifier through the polymerization reaction. The production process flow is short, the operation is simple, the production cost is low, the economic performance is good, the use cost of the raw material is reduced, the reaction time is shortened, and the reaction energy consumption is reduced. The aluminum dissolution rate in fly ash is high, the raw material cost is low, and industrial production is realized. Adding a cosolvent in the reaction process promotes the cleavage of the silicon-aluminum bond, increases the dissolution rate of aluminum, shortens the reaction time, reduces the consumption of hydrochloric acid, reduces the production cost, and improves the economic benefit of the product. The industrialization of using fly ash to produce polyaluminum ferric chloride has been realized.

The invention discloses a method for concentrating and dehydrating sludge. The method is characterized by comprising the following steps of: adding polyacrylamide into residual sludge of which the moisture content is 99 percent in an amount of 0.3 percent based on the mass of absolutely dry sludge for hardening and tempering the sludge; feeding the hardened and tempered sludge of which the moisture content is 99 percent into a flotation sludge concentrator through a pump for concentrating; feeding the concentrated sludge into a sludge hardening and tempering tank through a pump, adding caustic lime in an amount of 15 percent based on the mass of the absolutely dry sludge and polyaluminium chloride in an amount of 5 percent of based on mass of the absolutely dry sludge for further hardening and tempering; and performing filter pressing on the further hardened and tempered sludge by adopting a high-pressure diaphragm plate filter press. The method has the advantages of high system automatic degree, high concentration efficiency, low energy consumption, low mud moisture content and capability of making obtained sludge directly meet a filling requirement.

A joint preparation method of potassium dihydrogen phosphate, sulfur-based compound fertilizer and polymerize aluminum chloride(PAC), its characteristics include follow steps: dissolution and conversion of ammonium dihydrogen phosphate, filtering and cooling crystallization, double decomposition and neutralization cooling crystallization, prepared sulfur-based compound fertilizer, aluminum powder acid solution, preparation of PAC, and so on. Using this invention, not only can solve the impurities interference problem which caused by using orthophosphoric acid (phosphate) to produce potassium dihydrogen phosphate by wet method, can improve the recovery rate of potassium dihydrogen phosphatea almost to 100%, but also can obtain by-product of no chlorine sulfur-based compound fertilizer and PAC; the invention can make almost all the phosphorus pentoxide be water-soluble finished product, not after granulation and drying, directly through crystallization to obtain whole soluble compound fertilizer. Mother liquor circulation reaction make the eliminating of chlorine problem be simple; therefore, the product is high yield, low energy consumption, good quality.

The invention discloses a treatment for ink sewage, which comprises: adding proper PAC as flocculant in sewage, mixing round quickly, and adding proper ferrous sulfate as coagulant aid; mixing, depositing; using the supernatant for UV/Fenton oxidation under ultraviolet light; before oxidation, using hydrochloric acid to regulate solution pH value to optimal, adding given superoxol and ferrous sulfate; after reaction, adjusting solution to neutrality with superoxol and get rid of iron ion; depositing, and separating out water. The treated water has 97-100% transmittance with total removal rate to COD more than 93% that are between highest limit of second and third class discharge standard (GB 8978-1996).

The invention discloses a PAC-PDMDAAC compound coagulant, a corresponding preparation method and an application method. The PAC-PDMDAAC compound coagulant is prepared as the following steps: the PAC dry powder or solution is arranged in a mixing reactor, and water is added to obtain a PAC solution which is stirred under normal temperature and a PDMDAAC colloid is added into the solution; the mixed solution is stirred under normal temperature till the PDMDAAC colloid is completely dissolved to obtain a stable PAC-PDMDAAC. The application of the PAC-PDMDAAC compound coagulant is to adopt the PAC-PDMDAAC compound coagulant for the coagulation treatment to raw water and waste water and sewage and the dehydration treatment to sludge or silt directly or after dilution with water by any proportion. The component structure and content scope of the invention are distinct to guarantee the capability and stability of the obtained PAC-PDMDAAC compound coagulant, and the materials on industrial manufacturing are available. The various functions of the PAC-PDMDAAC compound coagulant can be adjusted during water treatment with high adaptability so as to reduce cost, reinforce coagulation effect and dramatically enhance the quality of obtained water.

The composite flocculant for treating printing and dyeing effluent consists of natural high molecular water soluble chitosan and polyaluminium chloride. The usage of the composite flocculant in treating printing and dyeing effluent includes regulating effluent to pH 6-8, and throwing composite flocculant in the amount of chitosan in 1-2 ppm and polyaluminium chloride in 100-250 ppm to result in printing and dyeing effluent decolorizing rate up to 91 %. The composite flocculant of the present invention has simple compounding process, easy use, low cost, small thrown amount, excellent decolorizing performance, fast deposition, small sludge amount, easy biodegradation, less secondary pollution of water and thus wide application foreground.

The invention discloses a compound dust suppression agent for a coal mine and a preparation method of the compound dust suppression agent. The compound dust suppression agent comprises the following components in percent by mass: 0.05-1.00 percent of fatty alcohol-polyoxyethylene ether (JFC), 0.05-1.00 percent of sodium dodecyl benzene sulfonate (SDBS), 0.01-0.50 percent of polyacrylamide (PAM), 0.02-0.50 percent of polymeric aluminium (PAC) and the balance of water. The compound dust suppression agent disclosed by the invention has the advantages that the components are water-soluble materials, can be directly sprayed by using the original water spraying system of the mine, have wide sources, do not generate any harmful gases, and are non-toxic and tasteless; and the compound dust suppression agent is convenient for construction, and has better dust suppression effect of respirable dust in comparison that of the prior art.

The invention discloses a method for processing papermaking wastewater by an advanced oxidation treatment of activating persulfate or monoperoxy-hydrosulfate with ferrous salt. The method is divided into two phases, namely an oxidation phase and a precipitation phase; wherein the oxidation phase is carried out in advanced oxidation equipment where wastewater is prone to mix, the hydraulic retention time is more than 0.5 hour, then persulfate or monoperoxy-hydrosulfate is subjected to carry out reactions with ferrous salt to generate sulfate free radicals with a strong oxidizing property, the sulfate free radicals can degrade organisms in the wastewater; the precipitation phase is carried out in precipitation equipment, the hydraulic retention time is more than 1.5 hours, and an alkaline solution or polymerized aluminum chloride is added so as to promote the flocculation and sedimentation of iron mud. The papermaking wastewater processing method is based on sulfate free radical advanced oxidation treatment, and the processed wastewater is clear and has a low COD value and a low Cr content. The method has the advantages of high efficiency, easy operation, and wide applicable pH range, and is especially suitable for processing papermaking wastewater having complicated components and high requirements on advanced treatment.

The invention relates to the technical field of sewage treatment and particularly relates to an industrial wastewater treating agent. The industrial wastewater treating agent comprises the following components in parts by mass: 0.8-3 parts of polyacrylamide, 25-35 parts of aluminium polychlorid, 25-55 parts of alums, 3-8 parts of iron trichloride, 0.8-3.4 parts of polymeric ferric sulfate, 1.2-2.5 parts of a coagulant aid, 2-10 parts of plant fiber, 10-30 parts of coal ash, 0.8-2.5 parts of sodium silicate, 2.5-5 parts of sodium sulfite, 0.5-3.5 parts of sodium hypochlorite, 5-10 parts of hydrogen peroxide, 8-15 parts of a sodium carbonate-sodium bicarbonate buffer system and 10-20 parts of sodium-based bentonite. The treating agent has the beneficial effects of wide treated pollutant range, good effect, wide production raw material source, environmental friendliness, no toxicity, good discharged water quality, short process flow, and high process operating safety. The treating agent disclosed by the invention can treat various kinds of wastewater such as chemical wastewater produced in oil fields, mining, steel, electroplating wastewater, dyes, pesticides, wine-making and chemical engineering, and sanitary sewage, papermaking wastewater, river and lake water, rubbish seeping water, leather-making wastewater, and the like; and the treating agent is good in treatment effect.

The invention discloses a high polymer composite coagulant for disposing oily wastewater and preparing method, which comprises the following steps: setting ingredient and weight ratio of high polymer composite coagulant with polymeric aluminium chloride : polymeric ferric sulfate : soluble glass : polydiene propyl dimethyl amchlor : water = 39.00:(1.90-2.10):(0.26-0.31):(1.04-1.52):(57.80-57.10); setting 0.02% basic ion polyacrylamide in polydiene propyl dimethyl amchlor; preparing finite density water solution with raw material as first step; preparing flocculant intermediate with polyaluminium chloride, polymeric ferric persulfate and sodium silicate as second step; proceeding mixed reaction with flocculating agent intermediate of the second step and polydiene propyl dimethyl amchlor of 0.02% positive ion polyacrylamide; controlling condition as temperature at 70-90 deg.c, pH value at 4-7; stirring intensity at 50-70r/min and ripening time at 6-24h.