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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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Water Soluble Polymer Flocculants: Synthesis ...
Water Soluble Polymer Flocculants: Synthesis ...

Natural polymers, or polymers derived from biomaterials, have gained increasing ,attention, for ,wastewater treatment,. Chitosan, starch, cellulose, alginate, and amylopectin are the main natural polymer choices due to their widespread availability, low price, nontoxicity, and biodegradability. 64 This section reviews advances in the synthesis of functionalized natural polymers to treat various types of ,wastewater,.

Active treatment technologies – Mine Closure
Active treatment technologies – Mine Closure

However, less attention in the R&D has been paid on this aspect. Adsorption can also be applied for removal of nitrogen and arsenic present in mine water. For arsenic removal sorption materials such as activated alumina (AA), granular activated carbon, granular ferric hydroxide, iron oxide coated sand and iron filings have been applied.

Water and Wastewater: Treatment/Volume Reduction Manual ...
Water and Wastewater: Treatment/Volume Reduction Manual ...

Total Deionized water $2.31 Deionized water (flexible cost)* 40% x $2.31 = $0.92 Impact – Difficulty Matrix ,Wastewater treatment, Sludge disposal $3.46 ,Treatment, chemicals $2.44 Energy $0.32 High In Labor $6.25 cr ea Total ,wastewater treatment, $12.47 sin ,Wastewater treatment, (flexible cost)* 40% x $12.47/gallon = $4.98 g De Total cost of water $13.44 sir * Flexible cost savings of conserved water is …

An Overview on the Treatment and Management of the ...
An Overview on the Treatment and Management of the ...

In recent years, more ,attention, has been ,paid, to membrane-based technologies due to their economic performance in recovering precious resources and providing potable water with high recovery rates. This book chapter provides some critical reviews on recent technologies including ,treatment, operations and disposal options to manage concentrated solutions from desalination plants.

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