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PAC Effective Purification Of Drinking Water
Aug 03, 2017

PAC Effective purification of drinking water

Polyaluminium chloride is also known as polyaluminum chloride, English abbreviation PAC, is a new type of polymer flocculant, poly aluminum chloride is yellow or brown, soluble in water, the solution is yellow liquid, a strong Bridging adsorption performance, in the process of hydrolysis with the performance, in the hydrolysis process with, condensation, precipitation and adsorption and other physical and chemical changes.

The product can effectively purify drinking water and industrial wastewater and industrial circulating water treatment, can remove raw water, iron, manganese, arsenic, fluoride, beryllium, chromium, etc., to remove water pollution and organic pigments have a better effect ; Can be used for sludge dewatering, refractory and ceramic binder; can be used for precision casting, industrial hardener, paper industry, the new sizing agent; recyclable oleic acid waste glycerol (recovery rate of about 50% ), Can do cement quick-setting agent.

Tannery wastewater with poly aluminum chloride coagulation electrolysis method removal rate SS97%, color 95%, sulfide 90.2%, chromium 94.8%, COD75%. Bleaching and dyeing wastewater with poly aluminum chloride treatment, decolorization effect is good, low cost, in the aeration tank treatment effect COD80-90%. Tailings overflow red water with poly aluminum chloride treatment dosage is only ten thousandths, remove Rate of 99.6-99.8%, purified water can be used directly.

Manganese blast furnace gas washing wastewater with poly aluminum chloride PAC treatment dosage less, low cost, is one-tenth of aluminum sulfate. Paper waste water with poly aluminum chloride treatment, color can be reduced by 10 times, COD 50-80% reduction, in addition to aluminum, chromium 90%, 33% fluoride, in addition to 1.5-6.8% of phenol, dosage of about 100ppm.

Such as in the city, industrial water treatment, it is suitable for any water source water treatment and reuse purification process, especially in the micro-pollution is more serious disposal of various sources of water, low temperature low turbidity low alkalinity source water treatment, pure water Pretreatment and fire power plants, steel plants and other water purification and disposal, water turbidity removal rate can be as high as 95-98% or more.

In the industrial wastewater treatment, the common use of poly aluminum chloride and organic polymer flocculant with the use, which can not only significantly reduce the cost of wastewater treatment, and can significantly improve the disposal effect. It can not only drastically remove the fine particles in the waste water, and can effectively remove the water in a variety of oil, color, COD, removal rate of up to 70-90% or more.

Such as the current oil in the oil field, refinery, processing plant oil-containing wastewater treatment, coal washing, printing and dyeing wastewater in addition to turbid decolorization disposal, pharmaceutical, paper waste water in addition to the removal of COD, metallurgical, tanning industry removal of heavy metals During the disposal process, poly aluminum chloride products have been widely used. In addition, the current city of water, domestic sewage are basically biological treatment, but a large number of operational theory results show that only biological treatment of urban wastewater, not only the operation of high load, the disposal of water quality can not meet the standard, and operating costs are relatively high. At present, many urban sewage in the study of the use of enhanced coagulation method or in the biochemical line to strengthen the pretreatment or biochemical stop after the depth of treatment, to reduce the biochemical treatment load, the purpose of water reuse.