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Index of strong acid 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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Index of strong acid wastewater
Hydrogen Sulfide Control - USP Technologies
Hydrogen Sulfide Control - USP Technologies

Under ,acidic, or neutral conditions the reaction with hydrogen peroxide produces sulfur and water: H 2 S + H 2 O 2 → S + 2 H 2 O Ideally, hydrogen peroxide at ,acidic,/neutral pH reacts pound for pound with hydrogen ,sulfide,; however, since waste streams often contain other reactive materials, it may be necessary to add more than the stoichiometric amount of hydrogen peroxide.

Textile Dyeing Wastewater Treatment - IntechOpen
Textile Dyeing Wastewater Treatment - IntechOpen

dyestuffs and other organic compounds, as we ll as ,acidic, and ,alkaline, contaminants, from industrial establishments on the general public are widely accepted. ... are still using it, so it has been included in the ,wastewater, standards. The ,sulfide, in the ,wastewater, is about 10 mg/L.

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.

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 ...

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