Filter an important role in the industrial wastewater discharge

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Lead filter is often used as a raw material used in batteries, electroplating, pigment, rubber, pesticides, fuel, paint, lead glass, explosives, matches and other manufacturing industries. The stereotype production process emissions of acidic filtration dev ice (pH <3) the highest concentration of lead in the electroplating industry dumping electroplating waste generated wastewater lead concentration is also high. Exist in most wastewater, lead to the inorganic form.
Filter industrial wastewater in industrial emissions of tetraethyl lead, but the filter contains high concentrations of organic lead compounds, Pursuing a dream content management systems commonly used in the treatment of wastewater containing lead precipitation, coagulation, adsorption, Galvanic iron oxidation. These organic compounds are difficult to remove due to inorganic lead filter conventional treatment methods (precipitation), industrial wastewater treatment tetraethyl lead is particularly difficult. Arsenic gray metallic luster, insoluble in water, but there are a variety of arsenic compounds in water-soluble. Inorganic arsenic mainly in the form of arsenous acid ions and acid ion present in the water, and under conditions of the presence of dissol ved oxygen, the arsenious acid can be oxidized into less toxic arsenate. Arsenate and arsenate exists in the metallurgy, glassware, ceramics, leather, chemicals, fertilizers, petroleum refining, together industrial wastewater industry full of sulfuric acid, fur, dyes and pesticides.water filters cartridges

The conventional filter arsenic approach lime or sulfide precipitation or co-precipitation with iron or aluminum hydroxide, wastewater treatment the traditional flocculation process can also effectively remove arsenic from wastewater In addition to the use of activated carbon or alumina adsorption and ion exchange wastewater arsenic removal achieved different degrees of success. In recent years, the use of biochemical treatment of waste water containing arsenic has made progress, experiments show that the activated sludge process is extremely rapid removal of arsenic, can remove about 80 % of the total within 0-5 hours, in 1 - about two hours to reach a state of equilibrium, that is, short-term exposure of arsenic and sludge removal effect. Filter activated sludge removal rate was significantly higher than that of the high concentration of arsenic removal efficiency of low concentrations of arsenic, which also shows the sludge arsenic removal capacity is also limited. Y-type filter commonly used in the treatment of wastewater containing lead to what Filter lead is often used as the raw materials used in batteries, electroplating, pigment, rubber, pesticides, fuel, paint, lead glass, explosives, matches and other manufacturing.