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Acid coal mining 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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Acid coal mining wastewater
Wastewater odor & corrosion control | Water Tech Online
Wastewater odor & corrosion control | Water Tech Online

H 2 S remains soluble in the ,wastewater, until the pH is lower than 9.0 – usually at the headworks of the ,wastewater, treatment system. Alternate oxygen source or sulfate substitute. In an anaerobic environment, the microbiology in a collection system will use oxygen from a ,nitrate, (NO 3) molecule more readily than from a sulfate (SO 4).

Process for wastewater treatment - Radian Corporation
Process for wastewater treatment - Radian Corporation

Since it is desirable and preferred that the ammonia content of the ,wastewater, subjected to biological treatment in accordance with the invention be at most 350 mg/L, the ,treated wastewater, from Example 1 is steam stripped to produce a ,wastewater, that contains 180 mg/L ammonia, 578 mg/L thiocyanate, 1795 mg/L biochemical oxygen demand, less than 0.5 mg/L free cyanide, and low levels of ...

Electrochemical technologies for wastewater treatment and ...
Electrochemical technologies for wastewater treatment and ...

Electrochemical nitrate, reduction was investigated on coinage (copper, silver and gold) and transition-metal electrodes (platinum, palladium, rhodium, ruthenium, iridium) at 0.1 M ,nitrate, ions ,in acid, solutions. 333 The conclusion was that the rate-determining step on most of these electrodes was the reduction ,of nitrate, to nitrite, based on the values of the Tafel slope, the …

Water | Free Full-Text | Electrocoagulation in Wastewater ...
Water | Free Full-Text | Electrocoagulation in Wastewater ...

Using the principles of electrochemistry, the cathode is oxidized (loses electrons), while the water is reduced (gains electrons), thereby making the ,wastewater, better ,treated,. When the cathode electrode makes contact with the ,wastewater,, the metal is emitted into the apparatus.

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