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The harm of acid wastewater lies in

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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The harm of acid wastewater lies in
How to Control Pollution in Mining Industry?
How to Control Pollution in Mining Industry?

Soil analysis, fertiliser application, mulching and seeding or planting of plant species etc. comes under biological reclamation. Spoils can be covered with various organic mulches such as straw, hay, crop residue, tree bark, saw mill waste, refuse end other composed organic residues to increase vegetation cover and ,reduce, the sedimentation losses.

Electrochemical technologies for wastewater treatment and ...
Electrochemical technologies for wastewater treatment and ...

One example of the selective ,electrochemical, removal of metals is the recovery of ,gold,-rich alloys using a filter-press-type ,electrochemical, flow reactor with highly polished vitreous carbon (VC) and titanium (Ti) flat cathodes. 275 Vitreous carbon and titanium were determined to be outstanding cathode materials for ,gold, recovery from ,gold, plating ,wastewater,.

US clears way for cleanup of Colorado mine after huge spill
US clears way for cleanup of Colorado mine after huge spill

DENVER (AP) — A Colorado mine that spewed 3 million gallons of contaminated ,wastewater, into rivers in three Western states was designated a Superfund site Wednesday, clearing the way for a multimillion-dollar federal cleanup. The U.S. Environmental Protection Agency added the inactive ,Gold, King Mine and 47 other nearby sites to the Superfund list.

Why and how to treat urban wastewater? - Encyclopedia of ...
Why and how to treat urban wastewater? - Encyclopedia of ...

Wastewater, contains precious and rare metals such as copper, silver, ,gold,, platinum, palladium, vanadium,…. According to researchers at Arizona State University (USA), there is the equivalent of $13 million worth of metals in sewage sludge produced each year by a city of one million people, including $ 2.6 million in ,gold, and silver.

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Road West, North Branch, Jingkai Road, Puyang City