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How to remove heavy chromium from acid wastewater

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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How to remove heavy chromium from acid wastewater
Treating Metal Finishing Wastewater
Treating Metal Finishing Wastewater

Heavy metals typically present in metal finishing ,wastewater, are cadmium, chromium, ,copper,, lead, nickel, silver, tin, and zinc. Table 1 ... and the entire treatment requires several adjustments of pH as well as the addition of ,acid,, coagulant, lime or ... (,Ion,) Concentration of ...

New water treatment plant to treat mining wastewater in ...
New water treatment plant to treat mining wastewater in ...

VANCOUVER, BC, July 19, 2010 -- BioteQ Environmental Technologies Inc., a leader in the treatment of industrial ,wastewater,, has announced plans to initiate construction of a third water treatment plant in China, in joint venture with Jiangxi ,Copper, Company ("JCC"). The project will enable the mine site to maximize resource recovery and produce clean water.

How to Treat Wastewater from Textile Industry? | Waste ...
How to Treat Wastewater from Textile Industry? | Waste ...

Coagulation/clarification is an effective process for textile ,waste-water, treatment. This method may be, especially effective for colour removal. Typical coagulants are alum, ferrous sulphate, ferric sulphate and ferric chloride with lime or sulphuric ,acid, for pH control.

Research on Treating Acid Wastewater Containing Heavy Metal
Research on Treating Acid Wastewater Containing Heavy Metal

wastewater,. If excess ,copper, is inhaled, the human digestive system will be stimulated and may lead to cirrhosis after a long-term inhalation. Lower organisms and crop will be toxic by ,copper, and appear diseases. So it is particularly important to ,treat, and recycle ,copper, before discharge [27]. Kathy indicated in 2000 that ,copper, was removed

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