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Environmental impact 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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Environmental impact of fracturing flowback fluid
Physical-chemical Wastewater Treatment Plant Design
Physical-chemical Wastewater Treatment Plant Design

The materials that may be fed to the ,wastewater, in the rapid-mix basins include lime, a ,metal, salt (ferric chloride, alum, or, most likely, chlorinated ferrous sulfate), a coagulant aid, return sludge from the primary sedimentation basins, ,acid, (if the ,treatment, process includes depressing the pH rather than elevating it), and the spent backwash water from the activated-carbon beds.

Treatment of textile waste water using natural catalyst ...
Treatment of textile waste water using natural catalyst ...

18/7/2018, · in receiving water bodies and without suitable ,treatment,, such ,wastewater, would destroy the natural water ... they are treated by acetic ,acid, to dissolve ,calcium carbonate, and then washed in anhydrous alcohol to ... the acidic aqueous phases.5 The pH was controlled either ,by adding, strong ,acid, (0.1M) which is hydrochloric ...

Brief Analysis of the Main Treatment Methods of Phosphoric ...
Brief Analysis of the Main Treatment Methods of Phosphoric ...

It not only affects the dosage of ,calcium,, but also produces ,calcium carbonate, which can be used as a weight-increasing agent to condensate and clarify ,wastewater,. The primary reaction and precipitation in the above process are mainly zinc removal, control of pH=8.5-9.0, ,adding, polyaluminium chloride.

Waste water and waste water treatment in the Steel Plant ...
Waste water and waste water treatment in the Steel Plant ...

Biological ,treatment, is a conventional method used for the ,treatment, of the ,waste water, from the of coke oven and by product plant before its disposal. Because biological oxidation is highly sensitive to fluctuations in constituent loadings and pH, the ,waste water, is first passed through an equalization tank to level out the concentrations, the temperature, and the flow volume.

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