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Origin of fracturing flowback fluid

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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Origin of fracturing flowback fluid
Study of Purification of Acid Dyeing Wastewater with ...
Study of Purification of Acid Dyeing Wastewater with ...

The resesrch is about purification effect of viscose based activated carbon fiber(ACF) to the dye ,waste water,,by silk ,dyeing, with weak ,acid, brilliant blue A dye ,wastewater, purification simulation for research object.The results indicate that,ACF dosage,illumination,pH value of ,dyeing, solution all have effects to purifying effect.In conditions of visible light,dosage of ACF 0.5 g,dye pH is 2 ...

Research progress of the physical and chemical treatment ...
Research progress of the physical and chemical treatment ...

irradiation treating ,acid, red dye ,wastewater, and activated charcoal was used as catalyst. The results showed that the re-moval rate can reach 96%~98% when concentration of ,acid, red dye ,wastewater, is 400mg/L, carbon dosage is 2.0g, microwave power is 800W, irradiation time is 6min. Generally speaking,

Printing and Dyeing Wastewater Treatment
Printing and Dyeing Wastewater Treatment

(2) Printing and dyeing wastewater mainly comes from sewage, grease, various kinds of added sizes, dyes, surfactants, auxiliaries, acids and bases; (3) Wastewater characteristics: large amount of water, high color, large change in pH (common high alkalinity), poor biodegradability.

Treatment of Acid Dyeing Wastewater With Trioctylamine by ...
Treatment of Acid Dyeing Wastewater With Trioctylamine by ...

The trioctylamine and kerosine was used as complexing agent and diluent agent separately to extract acid red G in dyeing wastewater and acid dyeing wastewater.The effects of dosing quantity of diluent,phase ratios,pH on the extraction efficiency was studied,when the concentration of CODCr was 1526 mg/L,the extraction rate of the dye contained in the wastewater can reach …

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