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Can calcium hydroxide treat 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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Can calcium hydroxide treat acid wastewater
Electroplating Effluent Treatment Plant - Electroplating ...
Electroplating Effluent Treatment Plant - Electroplating ...

Electroplating wastewater contains highly toxic cyanide, cyanide complexes and metal ions that makes treatment a complex problem. As the electroplating industries are located in tiny and unorganized sectors in India the problem becomes graver.

Treatment of Electroplating Waste -- Student Project
Treatment of Electroplating Waste -- Student Project

I visited a plant at Slough and found that they are treating their waste by precipitating according to the waste i.e. they use sodium bisulphite if the waste is too ,acidic,.Then after primary sedimentation they pass the water through a sand filter and then they discharge it.

Electroplating Shops - Watch Your Waste! - Small Business ...
Electroplating Shops - Watch Your Waste! - Small Business ...

Most emissions from electroplating and anodizing baths come from fine mists formed by the process. If the mist is reduced, emissions are reduced. Another source of emissions is from solvents used in various processes such as vapor degreasing, lacquering operations, and phosphating. Electroplating shops may also be affected by federal regulations.

Plating and Coating Wastewater Treatment
Plating and Coating Wastewater Treatment

Plating bath used in the plating and coating industry are generally contain hexavalent chromium, cadmium, nickel, tin and other heavy metals, their effluent are strongly ,acidic, or alkaline which is composed of various pollutants.

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