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Treatment of fracturing flowback fluid abroad

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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Treatment of fracturing flowback fluid abroad
(PDF) Acid Mine Drainage Treatment in Fluidized-Bed ...
(PDF) Acid Mine Drainage Treatment in Fluidized-Bed ...

Acid, Mine Drainage Treatment in Fluidized-Bed Bioreactors by Sulfate-Reducing Bacteria: A Critical Review. Critical Reviews in Environmental Science and Technology, 2013. ... (ABR) treating acidic and zinc-containing ,wastewater,. By Erkan Sahinkaya, Sinan Uyanık, and Dilek Sınanmış Atasoy.

Reducing acid in dilute acid pretreatment and the impact ...
Reducing acid in dilute acid pretreatment and the impact ...

The conventional dilute ,acid, pretreatment processes use relatively large quantities of sulfuric ,acid, and require ,alkali, for pH ... of biogas containing hydrogen ,sulfide,, neutralization of nitric ,acid, and SO 2 ... concentrations in pretreatment ,liquor, when a ,acid, solution concentration was maintained at 0.0051 g ,acid,…

Characteristics and Treatment of Wastewater from the ...
Characteristics and Treatment of Wastewater from the ...

Sulfur compounds are removed from petroleum by the addition of sodium hydroxide at a very high concentration. As a result, a residue called spent soda or spent caustic is generated, being extremely aggressive to the environment. In this work, the chemical properties of this residue are described in detail. The sodium hydroxide remains that have not reacted, sulfur compounds, and organic matter ...

Cyanide - Wikipedia
Cyanide - Wikipedia

This colorimetric method following distillation is the basis for most regulatory methods (for instance EPA 335.4) used to analyze ,cyanide, in water, ,wastewater,, and contaminated soils. Distillation followed by colorimetric methods, however, have been found to be prone to interferences from thiocyanate, nitrate, thiosulfate, sulfite, and ,sulfide, that can result in both positive and negative bias.

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