Wastewater Treatment System
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Acidic wastewater primarily originates from production processes in industries such as mining, electroplating, dye manufacturing, chemicals, and steel production, often due to the discharge of these processes or the leaching of heavy metal salts. Alkaline wastewater, on the other hand, mainly results from the loss of raw materials during operations in industries like oil refining, papermaking, leather processing, and textile dyeing. In addition to acids and bases, acidic and alkaline wastewater typically contains acid salts, basic salts, as well as other inorganic and organic compounds.
What is the principle behind industrial wastewater treatment and purification?
Since acidic and alkaline wastewater is highly corrosive, it must undergo proper treatment before being discharged. The methods and principles for industrial wastewater treatment primarily include the following points:
(1) For high-concentration acidic or alkaline wastewater, priority should be given to determining whether such wastewater can be recycled and reused. Depending on water quality, water volume, and specific process requirements, factories or regional authorities should make every effort to implement reuse strategies. If reuse is not feasible, the acid and alkali can be recovered through concentration.
(2) For low-concentration wastewater, if the volume is large, it can be concentrated and reused as high-concentration acidic or alkaline wastewater—for example, rinsing water from acid-cleaning tanks or rinse water from alkali-cleaning tanks. If reuse is not feasible, neutralization can be employed to treat the acidic or alkaline wastewater effectively.
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Contact: Mr. Yi
Email:ydy@shengjichuan.cc
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