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fracturing flow-back fluids treatment

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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fracturing flow-back fluids treatment
Bioconversion of High Concentrations of Hydrogen Sulfide ...
Bioconversion of High Concentrations of Hydrogen Sulfide ...

H 2 S is an ,acidic, gas that dissolves in ,alkaline, solutions with a rate higher than that in ,acidic, ... the presence of unionized ,sulfide,. H 2 S is an ,acidic, gas that is expected to be absorbed in the bioreactor solution more ... and A. de Keizer, “Removal of hydrogen sulphide from ,wastewater, and waste gases by biological conversion to ...

An Inorganic Sulfide Based Metal Precipitant
An Inorganic Sulfide Based Metal Precipitant

OMEGA MP-5165 is a concentrated ,alkaline,-,sulfide based metal precipitant,.; OMEGA MP-5165 is utilized for the reduction of metal ions from industrial ,wastewater, and process water applications.; OMEGA MP-5165 can be applied as a metal reduction agent for both batch and continuous water treatment systems, as well as a final polishing agent, in any type of metal precipitation system.

Pilot Scale Ferrous and Sulfide Metals Treatment in ...
Pilot Scale Ferrous and Sulfide Metals Treatment in ...

A two-stage treatment process was developed and piloted which reduced the volume of the waste sludge generated during ,wastewater, cleanup. The two stages involve: 1) treatment with ,alkaline, ferrous sulfate and sodium ,sulfide, to reduce hexavalent chrome and precipitate all of the hazardous metals, and 2) biodegradation of the organic components.

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

Looking more closely at the ferrous ,sulfide, molecule, it has a basically positive side from the ferrous, and a predominantly negative side from the six unshared electrons on the ,sulfide,. In an aqueous, ,alkaline, solution, the ferrous would be surrounded by either hydroxides or …

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