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shale gas fracturing flow-back fluids reinjection

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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shale gas fracturing flow-back fluids reinjection
Metal removal from chromium containing synthetic effluents ...
Metal removal from chromium containing synthetic effluents ...

The concentration of ,chromium, in studied systems was 10 –1mg , of ,iron, 5L mg–1 and nickel, zinc and copL - per –2 –1mg L. The effect of pH (2.0–6.0), time (5–120interaction with metals were oval and smooth. The surface min), temperature (20°C–50°C) and ,chromium, concentration (10–100mg –1L) on metal biosorption was studied. In all

Highly efficient removal of hexavalent chromium in aqueous ...
Highly efficient removal of hexavalent chromium in aqueous ...

ability to remove Cr(VI) than commercial zero valent iron (CZVI) from aqueous solutions. The reaction rate constant for MNZVI is 20 times larger than that for CZVI. Furthermore, the experi-ments in real electroplating wastewater have demonstrated that MNZVI has a good practical application potential for the treat-ment of Cr(VI)-containing wastewater.

How to Treat Wastewater from Iron and Steel Industry ...
How to Treat Wastewater from Iron and Steel Industry ...

Rinse water ,and acid, bath dumps are discussed together because both contain the same noxious compounds—copper, zinc, ,chromium and acid,—and are related in other ways. Of these two wastes, rinse waters contain the larger mass of contaminant—90 per cent of the total in one study.

Heavy Metals Removal Industrial Wastewater Solutions
Heavy Metals Removal Industrial Wastewater Solutions

Chromium, is present in the wastewaters of a number of industries, including: stainless steel manufacturing, protective coatings on metal, magnetic tapes, chrome plating, tanneries, textile dyes production, pigments and paint production, production of cement, paper, rubber, etc. ,Chromium, is typically precipitated in two steps: reduction and precipitation.

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