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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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Frontiers | The Potential Role of Halothiobacillus spp. in ...
Frontiers | The Potential Role of Halothiobacillus spp. in ...

The biogeochemistry ,of acid mine, drainage (AMD) derived from waste rock associated sulfide mineral oxidation is relatively well-characterized and linked to Acidithiobacillus spp.. However, little is understood about the microbial communities and sulfur cycling before AMD develops, a key component of its prevention. This study aimed to examine circum-neutral mining impacted water (MIW ...

Sewage treatment - Wikipedia
Sewage treatment - Wikipedia

Sewage treatment, is the process of removing contaminants from municipal ,wastewater,, containing mainly household sewage plus ,some, industrial ,wastewater,.Physical, chemical, and biological processes are used to remove contaminants and produce treated ,wastewater, (or treated effluent) that is safe enough for release into the environment.A by-product of ,sewage treatment, is a semi-solid waste or ...

Biocatalyzedpartialdemineralizationofacidicmetalsulfatesol ...
Biocatalyzedpartialdemineralizationofacidicmetalsulfatesol ...

^ The ,Acid Mine, Drainage Problem ,Formation of Acid Mine, Drainage The mechanism ,of acid, water ,formation, when water and air come into contact with iron sulfides associated with coal seams or metal sulfides in ore bodies has been much studied (Goldhaber and Kaplan, 1974). In general, half of the acidity is attributable to sulfide oxidation to sulfate

A Review of Removal of Pollutants from Water/Wastewater ...
A Review of Removal of Pollutants from Water/Wastewater ...

The rapidly increasing population, depleting water resources, and climate change resulting in prolonged droughts and floods have rendered drinking water a competitive resource in many parts of the world. The development of cost-effective and stable materials and ,methods, for providing the fresh water in adequate amounts is the need of the water industry. Traditional water/,wastewater, treatment ...

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Road West, North Branch, Jingkai Road, Puyang City