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The fracturing flowback fluid contains polyacrylamide

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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The fracturing flowback fluid contains polyacrylamide
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.

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,

WASTEWATER TREATMENT & ZERO LIQUID DISCHARGE SOLUTIONS …
WASTEWATER TREATMENT & ZERO LIQUID DISCHARGE SOLUTIONS …

The Coats Vietnam wastewater treatment plant treats the wastewater originating from it’s polyester dyeing (disperse dyes - 70%) and nylon dyeing (acid dyes - 30%) processes. Additional wastewater originates from the cotton towel dyeing using vat/ reactive dyes. The two main chemicals for disperse dyeing are a buffer and a levelling agent.

15 types of industrial wastewater treatment processes ...
15 types of industrial wastewater treatment processes ...

Acid wastewater mainly comes from steel plants, chemical plants, dye plants, electroplating plants and mines, etc., which contains various harmful substances or heavy metal salts. The mass fractions of acids vary widely, ranging from less than 1% to as high as 10%.

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