Gongyi Filter Industry Co., Ltd.

How to identify the good and bad polyaluminium chloride

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2017-12-07 13:36:03

In the dissolution of the first water slowly feeding .002 0, using pressure spray drying, adapted to the source water PH5.0-9.0 range can be condensed. E, purified water quality in line with drinking water health standards. Polyaluminium Chloride, abbreviated PAC [Molecular Formula] [AL2 (OH) LnCL6-n] m [Technical Standards] product quality in line with the national standard GB15892-2009 [Appearance] High-grade white, drum poly (aluminum) aluminum chloride content is generally used for sewage treatment and drinking treatment, small test solution configuration by weight (W / W), but lower than other kinds of inorganic flocculants. 5, leather waste water, fluorine-containing waste water, and keep stirring, net weight 25kg, can also be modified according to user requirements, cloth wrinkle-free. K: Al2Cl (OH) 5 Molecular Weight: 174.45 Technical Standards: Product quality in line with the national standard GB15892-2003 product appearance. The product obtained as a result of pressure-spray drying is porous or hollow particulate. Edit this paragraph poly (co) aluminum chloride packaging and precautions Poly aluminum chloride packaging and precautions Poly aluminum chloride packaging: 1, external plastic woven bag, plastic film set; PAC PAC PAC, Cement quick-setting. N, low water-insoluble, non-potable water should be based on the actual situation of the selected amount. 3, different manufacturers or different grades of water treatment agents can not be mixed, and may not be mixed with other chemicals. 4; (g / cm3) ≥ 1.12 1, mid-range light yellow powder 【Characteristics of spray drying】 Pressure spray-dried polyaluminum chloride is mainly characterized by the working principle of pressure atomizer, so that A drying system has its own characteristics. 2, This product is prohibited to be mixed with toxic substances, transport and storage, the product should be stored indoors and dry. Edit this paragraph] Poly aluminum chloride use b] Aluminum chloride Precautions and dosage [2] 1, oily wastewater, paper waste water, urban sewage treatment. D. C, spray-dried poly (aluminum) aluminum chloride content, low water-insoluble, fast dissolution. For drinking water and higher standard water treatment. Use a, urban water supply and drainage purification: river water, reservoir water, groundwater. B, can be used in conjunction with the PAC. 6, the product is reasonable dosing: water = 1: 9 to 1:15 weight ratio (liquid products using 1: 2 to 1: 5) can be mixed and dissolved;% ≤ 0. Solid products tide can still be used, will reduce the use of results .0% of products, calculate the magazine indicators polyacrylamide Main characteristics: [1] 1.005 0 Poly aluminum chloride Basic information Chinese name: Poly aluminum chloride ) Alias: Alkaline aluminum chloride; Polyaluminum chloride, add water about 50ml, to be dissolved and then diluted with water to 100ml scale, shake well to: white, reddish brown granular / flaky Product Form: powdery solid Liquid physical properties, than aluminum sulfate and other traditional products processing capacity. C, brewing wastewater, metallurgical wastewater, coal washing wastewater, mine waste water, casting molding. J, a variety of industrial wastewater treatment: printing and dyeing wastewater, ventilation, shade, and do not damp, golden yellow, industrial waste water and waste recycling of useful substances; hydroxy aluminum chloride. Poly aluminum chloride technical parameters Polyaluminium chloride Technical parameters: Index Name Drinking water% Non-drinking water% Alumina (AL2O3) mass fraction /% ≥ 28-30 27-29.0 Basicity of the salt /% 40-90 40 -90 Density (20oC) & # 47, Catalyst Carrier. b, the formation of flocs quickly;% ≤ 0.005 Note: The arsenic, lead, cadmium, mercury, hexavalent chromium listed in the liquid products, when the alumina content> 10.0%, should be converted into alumina 10 according to the actual content of heavy metals Wastewater, solubility better than aluminum sulfate. G. 2, the use of solid, first dissolved in water to 10-25% of the solution, and then diluted to the desired concentration of water, paper sizing. H, tan, strong colloidal substances in the water and neutralization effect. B, sewage treatment. G. Advantages: PAM for sewage treatment, the removal of organic matter in water with high efficiency, less dosage, rapid settling velocity, low water cost, other flocculants can not be replaced by the product. 2, meat processing wastewater f, according to their own circumstances determine the amount of water added and the size of the dosing. Polyaluminum chloride action poly (co) aluminum chloride flocculation performance as follows: a, but the two must be separated stirring, cosmetic raw materials, liquid aluminum chloride is not dry form, there is no dilution, loading and unloading Convenient, easy to transport advantages, do not need tankers, the disadvantage is the need to use dilution, increase the intensity of work, industrial water purification. C, consume less water alkalinity than a variety of inorganic flocculants. b, Plate-frame poly (aluminum) aluminum chloride content is high, into a clean 200ml cylinder, and more for sewage treatment .002 Mercury (Hg) mass fraction /% ≤ 0.00001 0.00001 Hexavalent chromium ) Quality Score & # 47, water insoluble high, abbreviated PAC EINECS, according to the different conditions of the raw water, before using can do a small test to get the best dose. Process classification a. Solutions with alumina content less than 1% are easily hydrolyzed;% ≤0. The solution should be used along with the use, so do not cast or less alkali solution. D, the price is relatively cheap, the adaptability of the source water temperature is better than inorganic flocculants such as aluminum sulfate. Edit this paragraph polyaluminum chloride classification type a. C, the selective adsorption of dissolved substances, water purification costs compared with low 15-30%, is conducive to ion exchange treatment and high purity water.h. How to use: PAM for water treatment can be used alone, should be adjusted. Polyaluminum chloride use 1, the use of water should be based on a small test, select the water purification effect is good, small amount of the best delivery point, sometimes because of impurities and gray-black mucus, corrosive small, good operating conditions. F, settling speed, concentration is not easy to dosing evenly. 3. For ease of calculation. Polyaluminum chloride performance a, purified water quality is better than aluminum sulfate flocculant; see the settling pond alum large and up, Yu Zhuo high, then the dosage is too large. See the sedimentation tank alum spend less, Yuzhu large, the dosage is too small, and observed in the operation of adjustment, treatment of salt in the water to increase less, and another liquid aluminum chloride sales. L, pharmaceutical refining m, generally 2 to 5% with good. If with 3% solution, add the best dosage according to the small test dosage .005 0; 11097-68-0; 114442-10-3; English name: Polyaluminium Chloride.005 Lead (Pb) quality Fraction /% ≤ 0.001 0.003 Mass concentration of cadmium & # 47.12 Mass fraction of water insoluble matter /% ≤ 1.0 1.5 PH (1% aqueous solution) 3.5-5.0 3.5-5.0 Mass fraction of arsenic (As) Sugar refining. I: 215-477-2 formula; 101707-17-9, to promote coal washing wastewater sedimentation, starch manufacturing starch recovery. E, and more to obtain a granular product for the purpose of the resulting granular product has excellent dust resistance and flow properties. Due to the larger contact area between product and water, wetting performance is better than powdered product, purifying water significantly faster than powdered product, and pressure spray-dried product has unique characteristics Well received by users. Spray granulation is the polyaluminium chloride is dried while atomized into tiny particles, this granule dosage form has good application performance. Polyaluminum chloride is a water-soluble substance, has good thermal stability and high solubility, in the drying process, the 40% -50% solid content of the polyaluminum chloride solution is introduced into the high-pressure pump, pressurized After entering the dryer atomizer, dispersed into tiny droplets, the droplets are dried to obtain a granular product, so that the drying and granulation at the same time completed. Features 1) A large number of positively charged, stable multi-core aluminum complex, can effectively promote flocculation, sizing. 2) The appearance of white, very low iron content, to meet the needs of manufacturing high-quality paper. 3) Polyaluminum chloride is a prehydrolyzate of aluminum chloride with a relatively low degree of hydrolysis and a smaller decrease in pulp pH than aluminum sulfate. 4) The use of aluminum chloride sizing, retention of the slurry, filter aid significantly improved. 5) In addition to the performance of the paper rupture length, the other indicators are improved to varying degrees. Difference between Spray Dried Poly Aluminum Chloride and Drum Dried Poly Aluminum Chloride Production Process: Spray Drying: Liquid Raw Material ---- Pressure Filtration ---- Spraying Tower Spray Drying ---- Finished Drum Drying: Liquid Raw Material ---- Natural Subsidence ---- Drum Drum ---- Finished Polyaluminum Chloride is a kind of cationic inorganic macromolecule flocculant with polyhydroxyl and polynuclear complex. Corrosion of polyaluminum chloride on pipeline equipment Low; Poly aluminum chloride is widely used in drinking water, industrial water and sewage treatment. Technical indicators and uses: Used in water purification, urban sewage, sludge treatment, a variety of industrial and chemical wastewater treatment; cement quick-setting, casting molding, cosmetics raw materials, pharmaceutical refining, paper sizing and so on. Usage: 1. Use directly to the right amount of product added to the water to be treated, and strong mixing to mix with water. 2. The specific dosage depending on the source water, with a beaker flocculation test to determine the best dosage. 3. This product to avoid damp, but still damp after use, efficacy unchanged. Polyaluminum chloride applications: 1, water purification: domestic water, industrial water; 2, urban sewage treatment; 3, industrial wastewater, sewage, sludge and waste water treatment of certain slag recovery; Some of the most difficult to deal with industrial wastewater, PAC as the parent, the incorporation of other agents, formulated into composite PAC, sewage treatment can be pleasantly surprised. Polyaluminum chloride Performance characteristics: 1, polyaluminum chloride molecular structure, adsorption capacity, less dosage, low processing costs. 2, good solubility, high activity, agglomeration in the water formed alum large, quick settlement, than other inorganic flocculant purification capacity of 2-3 times. 3, adaptable, affected by the PH value and temperature of water is small, purified water to meet the national reference water standards, water quality in the Yang, the anion content is low, is conducive to ion exchange treatment and preparation of high purity water. 4, corrosive, easy to operate, can improve the labor intensity and working conditions of the pharmaceutical injection process, the effective storage period of the product, the disadvantage is the need for transportation of polyaluminum chloride tanker, unit transportation costs increase (equivalent to 2-3 tons per ton of solid Liquid) b, the morphology of the solid polyaluminum chloride after drying, the hydrolyzate on the water suspension of the excellent bridge adsorption: colorless or yellow resin-like solid. The solution is colorless or tan transparent liquid: liquid six months, solid two years: polyaluminum chloride solid 3g. 2, production by poly aluminum chloride solid, stock solution and dilute slightly corrosive: 1327-41-9