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Only suitable for neutralization of acid wastewater

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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Only suitable for neutralization of acid wastewater
Bioaccumulation of Chromium from Tannery Wastewater: An ...
Bioaccumulation of Chromium from Tannery Wastewater: An ...

The dynamic method of ,treatment, of protonated seaweed with simulated chrome tanning solution at a pH of 3.5−3.8 for a duration of 6 h gave the maximum uptake of about 83%. A similar uptake has been established for commercial chrome tanning ,wastewater containing, the same concentration of ,chromium,.

Reduction Monitoring in the Chromium Wastewater Treatment ...
Reduction Monitoring in the Chromium Wastewater Treatment ...

Wastewater, from electroplating facilities and certain types of . chemical plants contains toxic forms of hexavalent ,chromium, such as chromate and dichromate. The hexavalent ,chromium, in this ,wastewater, must be reduced before the water can be discharged. This requires a two-step process: hexavalent ,chromium, (CR. 6) is reduced to trivalent ...

Treatment of Electroplating Wastewater by Adsorption Technique
Treatment of Electroplating Wastewater by Adsorption Technique

hexavalent ,chromium, (Cr+6) using scrap iron filings in both synthetic ,wastewater,, ,containing, 30 mg/L of Cr+6, and ,chromium, plating ,wastewater,. Optimum condition for removal of Cr+6 was found to be at pH 3, iron particle sizes (35 – 200) mesh, agitating rate 250 rpm, contact time 180 minutes and iron dosage of 1 g. It was also observed that

Chromium Removal from Wastewater by Reverse Osmosis
Chromium Removal from Wastewater by Reverse Osmosis

wastewater treatment,. Key-Words: - ,chromium,, tanning, pollutant, membrane separation, reverse osmosis, ,wastewater treatment,, leather industry . 1 Introduction . Wide spectrum of physical-chemical and biological ,treatment, methods and their combination is commonly used for ,treatment, of various ,wastewater,.

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