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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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manual water pressure test pump kit
Potential reuse of coal mine wastewater: a case study in ...
Potential reuse of coal mine wastewater: a case study in ...

better impact than NaOCl and ,acid, citric (without surfactant). A 100% recovery can be achieved with combination of three chemicals. It might be due to the fact that there was some oil compounds in the ,coal mine wastewater,, thus, the addition of surfactant …

A continuous pilot-scale system using coal-mine drainage ...
A continuous pilot-scale system using coal-mine drainage ...

the flowrate of AMD ,in coal, mines is higher compared to that in metallic mines [4]. Typical processes for treating AMD from ,coal, mines rely on the removal of dissolved metals via oxidation, precipitation, and separation. One of the most significant problems in the ,treatment, of ,coal mine, drainage is the large volumes of sludge.

Abstract: Acid Mine Drainage (AMD) Treatment with Sludge ...
Abstract: Acid Mine Drainage (AMD) Treatment with Sludge ...

AMD samples were taken from an abandoned ,coal,-,mine, in Illinois ,Coal, Basin around Carbondale IL, and the dry sludge was from Carbondale Southeast ,Wastewater Treatment, Plant in Carbondale, IL. The plant used activated sludge tank as secondary ,treatment, process. The dry sludge was formed after activated sludge digestion and drying.

Stream Monitoring and Preliminary Co-Treatment of Acid ...
Stream Monitoring and Preliminary Co-Treatment of Acid ...

This study investigated ,coal,-,mine, drainage (AMD) and municipal ,waste-water, (MWW) contaminant concentrations and conducted the combined ,treatment, in phases I and II: phase I, evaluating the effects of mixing the two based on the extent ,of acid, neutralization and metals removal; phase

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