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hydraulic fracturing site

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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hydraulic fracturing site
Low TDS Acid Mine Drainage Wastewater Treatment
Low TDS Acid Mine Drainage Wastewater Treatment

Acid, rock drainage can also result when affected rock is used as fill material. The low pH and ,high concentration, of metals are an environmental concern for several reasons: Aquatic species don’t tolerate changes in pH. In mine drainage, the low pH allows metals to dissolve into the water, and metals in ,high, enough concentrations can be toxic.

Total dissolved solids - Wikipedia
Total dissolved solids - Wikipedia

Total dissolved solids, (TDS) is a measure of the dissolved combined content of all inorganic and organic substances present in a liquid in molecular, ionized, or micro-granular (colloidal sol) suspended form.TDS concentrations are often reported in parts per million (ppm). Water TDS concentrations can be determined using a digital meter.

Chemical oxygen demand - Wikipedia
Chemical oxygen demand - Wikipedia

Because of its high concentration in most wastewater, chloride is often the most serious source of interference. Its reaction with potassium dichromate follows the equation: 6 C l − + C r 2 O 7 2 − + 14 H + → 3 C l 2 + 2 C r 3 + + 7 H 2 O {\displaystyle \mathrm {6Cl^{-}+Cr_{2}O_{7}^{2-}+14H^{+}\rightarrow 3Cl_{2}+2Cr^{3+}+7H_{2}O} }

Alternative Disinfection Methods Fact Sheet: Peracetic Acid
Alternative Disinfection Methods Fact Sheet: Peracetic Acid

of the ,wastewater,, the ,concentration, of PAA, the amount of time the microorganisms are exposed to the PAA, and the reactor configuration. For any one treatment plant, disinfection success is directly related to the ,concentration, of colloidal and particulate constituents in the ,wastewater,.PAA is a …

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