SHANDONG ZHISHANG CHEMICAL CO.LTD
Model No.: CAS NO 1327-41-9
Type: Pharmaceutical Intermediates
Name:: Aluminum Chlorohydrate
Packaging: in 25kg drum
Productivity: 10000kg per month
Place of Origin: Shandong, China (Mainland)
Supply Ability: in stock
Certificate: ISO CE
HS Code: 1327-41-9
Poly aluminum chloride is an inorganic polymer. Has a certain degree of gelation, can do refractory coatings, ultra-pure alumina products and refractory concrete cementing material. Polyaluminum chloride is an expensive polyhydroxy electrolyte, which can be regarded as the intermediate product of AlCl3 hydrolysis to Al (OH) 3. The gum core is positively charged and hydrolyzed acidic. The composition of these products is under certain conditions, a variety of aqueous complexes by a certain percentage of the mixed system. The expression is [Al2 (OH) nCl6-n] m where n = 1-5 and m≤10. Due to different manufacturing methods and properties, polyaluminum chloride can be referred to as hydroxy aluminum chloride, basic aluminum chloride, polymerized alumina and so on. The main physical and chemical properties of indicators of alkalinity, pH, Al2O3 content and relative density. Polyaluminum chloride is a promising material with rich raw materials, low cost, high refractoriness without any loss of refractory concrete, high activity at high temperature, hardenability at room temperature when mixed with a small amount of coagulant material.
1.Boiled pyrolysis method
Crystalline aluminum chloride boiling pyrolysis at 170 ℃, the release of hydrogen chloride water absorption made of 20% hydrochloric acid recovery. Then add water at 60 ° C above curing polymerization, and then cured, dried, crushed to prepare a solid PAC product.
2. Aluminum gray hydrochloric acid method
The aluminum ash (the main component of alumina and aluminum fishing) according to a certain ratio added to join the pre-washing water reactor, stirring slowly added hydrochloric acid polycondensation reaction, the polymerization to a pH of 4.2 to 4.5, the solution The relative density of about 1.2 for settlement, liquid aluminum chloride. The liquid product is diluted and filtered, and concentrated by evaporation to obtain solid polyaluminum chloride product.
Lime can be used to make calcium carbide, liquid alkali, bleach, bleaching powder, and also used in tanning leather, metallurgy and purifying waste water.
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