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oil well fracturing flow-back fluids separation processes

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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oil well fracturing flow-back fluids separation processes
Hydrogen Sulfide Wastewater Treatment Methods
Hydrogen Sulfide Wastewater Treatment Methods

The processing of ,wastewater treatment, includes a variety of oxidation and reduction cycles, which oxidize ammonia to nitrate that eventually reduces to harmless nitrogen gas. To settle the problem of hydrogen ,sulfide, production, nitrate can be added to provide bacteria with a substitute for sulfate.

Ferrous and sulfide treatment of electroplating wastewater ...
Ferrous and sulfide treatment of electroplating wastewater ...

The ,wastewater, is first adjusted to a pH of from about 8 to 10 and then treated with ,sodium sulfide, to provide ,sulfide, ions to effect precipitation of heavy metal contaminants followed by ,treatment, with ferrous sulfate or ferrous chloride to provide ferrous ions to chemically reduce the hexavalent chromium to its trivalent state.

CN102910593A - System and method for treating waste acid ...
CN102910593A - System and method for treating waste acid ...

According to the system for ,treating, the waste gas, the sulfur recovery rate of the whole system for ,treating, the ,acid, gas reaches above 99.99%, the concentration of SO2 in the tail gas emitted to atmosphere is less than 100mg/m<3>, the conversion rate and the emission concentration can meet the highest emission limit standards in the industry, and no waste liquid is discharged from the system.

Sodium Sulfide - Shanghai Chemex Group Ltd.
Sodium Sulfide - Shanghai Chemex Group Ltd.

Sodium sulfide, can also be used in the manufacture of other chemicals, metals or mining processes and ,wastewater,, soil and process sludge ,treatment,. Inorganic chemicals, dyes rayon, leather, and paper, in hydrometallurgy of gold ore, sulfiding oxidized lead and copper ores, and as an analytical reagent ,sodium sulfide, is used mainly in the pulp and paper industry in the Kraft process.

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