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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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Materials | Free Full-Text | The Change from Past to ...
Materials | Free Full-Text | The Change from Past to ...

The research on dyeing ,wastewater, treatment has been often focused on reactive dyes for three ,main, reasons: (i) reactive dyes represent an increasing market share, because they are used to ,dye, cotton fibers, which makes up about half of the world’s fiber consumption; (ii) a large fraction, typically around 30% of the applied reactive dyes, is wasted due to the ,dye, hydrolysis in alkaline ,dye, ...

Flower wastes as a low-cost adsorbent for the removal of ...
Flower wastes as a low-cost adsorbent for the removal of ...

Brilliant blue (,acid, blue 9) is a synthetic ,acid dye,, with anionic nature belonging to triphenylmethanes, commonly used for flower dyeing, textile and in food industries. It is a highly stable compound and thus causes the color of effluents for extended periods of time.

A Review of Promising Electrocoagulation Technology for ...
A Review of Promising Electrocoagulation Technology for ...

A review of the literature published on topics interrelated to electrochemical treatment within ,wastewater, by using sacrificial anodes was presented. Electrocoagulation (EC) is a technique used for water and has a great ability on various ,wastewater, treatments, industrial processed water, and medical treatment. It has potential in removing various pollutants such as chemical oxygen demand ...

Alginate-Based Hydrogel Beads as a Biocompatible and ...
Alginate-Based Hydrogel Beads as a Biocompatible and ...

To mimic effluent produced by a typical ,dye,-house, a synthetic ,dye wastewater, up 0.03 g/L methyl violet 2B and 2 g/L Na2SO4 at pH 3 and 100° was prepd. and treated by both membranes with a membrane chromatog. process. The extent of ,dye, removal decreased to 84-93% for the P81 membrane, which may be attributable to salt ion competition or pH.

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