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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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Co-treatment of acid mine drainage with municipal ...
Co-treatment of acid mine drainage with municipal ...

Co-treatment of ,acid mine, drainage (AMD) with municipal ,wastewater, (MWW) using the activated sludge process is a novel treatment technology offering potential savings over alternative systems in materials, proprietary chemicals and energy inputs. The impacts of AMD on laboratory-scale activated sludge units (plug-flow and sequencing batch reactors) treating synthetic MWW were investigated ...

Water quality modelling and optimisation of wastewater ...
Water quality modelling and optimisation of wastewater ...

Instream water quality management encompasses field ,monitoring, and utilisation of mathematical models. ... simulation and determination of the best treatment regimen to meet the instream DO ,standard, at the minimum cost for the ... ,wastewater, and ,mine, process water discharges at Points 4–9 (Fig. 1).

Water Quality and Wastewater Management Archives ...
Water Quality and Wastewater Management Archives ...

Neumeyer Environmental was contracted to perform several activities in support of this project including management of ,acid mine, drainage, noise ,monitoring,, and to provide miscellaneous environmental support. It was anticipated based on the project design that ,mine, seals would need to be breached as part of the construction.

Fact Sheet: KPDES permit to discharge treated wastewater ...
Fact Sheet: KPDES permit to discharge treated wastewater ...

Active mining areas are classified as either “alkaline ,mine, drainage” or “,acid, or ferruginous ,mine, drainage”. “Alkaline ,mine, drainage” is defined as ,mine, drainage which, before any treatment, has a pH equal to or greater than 6.0 ,standard, units and a total iron concentration of less than 10 mg/l. “,Acid, or ferruginous ,mine, drainage ...

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Road West, North Branch, Jingkai Road, Puyang City