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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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solid waste disposal area
New trends in removing heavy metals from industrial wastewater
New trends in removing heavy metals from industrial wastewater

1/10/2011, · 2.2. Industrial ,wastewater, sources. Industrial ,wastewater, streams ,containing, heavy metals are produced from different industries. ,Electroplating, and metal surface treatment processes generate significant quantities of wastewaters ,containing, heavy metals (such as cadmium, zinc, lead, ,chromium,, nickel, copper, vanadium, platinum, silver, and titanium) from a variety of applications.

Tannery Wastes: Trivalent Chromium Case
Tannery Wastes: Trivalent Chromium Case

937 tons per year of ,Chromium, is wasted (Ashraf et al., 1997). In Italy, 280 000 tons of Cr-,containing, (1-4%Cr) dry sludges are annually produced by tanneries (Simoncini 1989; Tiravanti et al. 1997). In Thailand, about 2.55 million cubic meters of ,wastewater,, so 197.4 tons of ,Chromium, were discharged in the ,environment, in 1992

Application of Biosorption for Removal of Heavy Metals ...
Application of Biosorption for Removal of Heavy Metals ...

4/12/2017, · In another study, ,wastewater, having heavy metals and textile dyes was collected from the local metal, and the textile processing ,industry, in Turkey was treated with Punica granatum L. peels. Under optimum experimental conditions the removal of Pb (II) was 98.07%. Simulated water ,containing, interfering ions also showed a removal efficiency of 98 ...

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

5. How to deal with cyanide-,containing wastewater,? The cyanide-,containing wastewater, mainly comes from the departments of ,electroplating,, gas, coking, metallurgy, metal processing, chemical fiber, plastics, pesticides, and chemicals. Cyanide-,containing wastewater, is a kind of toxic industrial ,wastewater,. It is unstable in water and easy to ...

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