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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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oil field compressors
CHEMICAL AND BIOLOGICAL TREATMENT OF ACID MINE …
CHEMICAL AND BIOLOGICAL TREATMENT OF ACID MINE …

This dissertation reports the design of a process (patent pending) to remove ,iron, from ,acid mine, drainage (AMD) without the formation of metal hydroxide sludge. The system includes the oxidation of ferrous ,iron, in a packed bed bioreactor, the precipitation of ,iron, within a fluidized bed, the removal of manganese and heavy metals (Cu, Ni, Zn)

GB 28661-2012 PDF. - Chinese Standard
GB 28661-2012 PDF. - Chinese Standard

3.6 ,Mine acid wastewater, Untreated, mining ,wastewater, with a pH of less than 6. 3.7 Mineral processing ,wastewater Wastewater, generated and discharged during ore dressing, including ,iron, ore in re-election, magnetic separation, flotation and its combined process

Final Report | An Electrochemical Method for Acid Mine ...
Final Report | An Electrochemical Method for Acid Mine ...

The design criteria is to produce a residual ,wastewater, stream which would meet U.S. EPA effluent guidelines for metal content and a ... then ,iron,-containing simulated ,acid mine, drainage solutions. When precipitation ... R825549C055 Design and Development of an Innovative Industrial Scale Process to Economically Treat Waste ,Zinc, ...

Acid Mine Drainage: A Reusable Water Resource | Water Tech ...
Acid Mine Drainage: A Reusable Water Resource | Water Tech ...

While the majority of ,wastewater, streams generated from AMD are characterized by low pH (2-4) and high levels of dissolved ,iron, (1,000-10,000 ppm), there are some AMD streams that are not contaminated to these extremes. These streams may have relatively high pH levels (5-7) and dissolved ,iron, levels as low as several hundred ppm.

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