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Neutralization of acidic wastewater with calcium hydroxide

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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Neutralization of acidic wastewater with calcium hydroxide
Pilot test of pollution control and metal resource ...
Pilot test of pollution control and metal resource ...

The study was undertaken in order to recover the metal resources from ,acid mine, drainage (AMD). A 300 m(3)/d continuous system was designed and fractional precipitation technology employed for the main metals Fe, Cu, Zn, and Mn recovery. The system was operated for six months using actual AMD in situ.

Wastewater Characteristics Management and Reuse in Mining ...
Wastewater Characteristics Management and Reuse in Mining ...

realize that “effective ,prevention, of contamination at source” is the only solution ... Typical contaminants in ,mine wastewater, (adopted from Sivakumar et al., 1992) ... sulfuric ,acid, and lowers the pH. A pH of below 6.5 may be corrosive to plumbing

Acid Mine Drainage and the Techniques to Cleanup this ...
Acid Mine Drainage and the Techniques to Cleanup this ...

6/5/2019, · ,Acid Mine, Drainage is water that has a low pH and filled with heavy metals. ,Acid Mine, Drainage (AMD) is created by groundwater that travels through mines and then rejoins the watershed, polluting it. AMD is an urgent environmental issue in mining regions as it makes the affected water uninhabitable, devastating the ecosystem.

Acid Mine Drainage Prevention Aided by LKD | Water Tech Online
Acid Mine Drainage Prevention Aided by LKD | Water Tech Online

Acid Mine Drainage Prevention Aided by LKD,. Mining operations that encounter acidic materials must consider how these materials are handled and neutralized to ensure that ,Acid, Rock Drainage (ARD) is …

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