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Wastewater treatment 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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Wastewater treatment of fracturing flowback fluid
Removal of heavy metal ions from wastewaters: A review ...
Removal of heavy metal ions from wastewaters: A review ...

1/3/2011, · In hydroxide precipitation process, the addition of coagulants such as alum, ,iron, salts, and organic polymers can enhance the ,removal, of heavy metals from ,wastewater,. Charerntanyarak (1999) employed chemical coagulation and precipitation by lime to treat synthetic ,wastewater, consisting of Zn, Cd, Mn and Mg at the concentration of 450, 150, 1085 and 3154 mg/L, respectively.

Removal of Cr( vi ) from wastewater by a two-step method ...
Removal of Cr( vi ) from wastewater by a two-step method ...

Therefore, by combining oxalic ,acid, and FA, Cr(VI) can be removed from ,wastewater, and its environmental toxicity can be reduced simultaneously. In this study, we investigated a two-step method to eliminate Cr( VI ) from ,wastewater,; in detail, the first step included the reduction of Cr( VI ) to Cr( III ) in the presence of oxalic ,acid,, followed by the adsorption of Cr( III ) onto MFA.

Industrial wastewater treatment - Wikipedia
Industrial wastewater treatment - Wikipedia

Industrial wastewater treatment, describes the processes used for treating ,wastewater, that is produced by industries as an undesirable by-product. After treatment, the treated industrial ,wastewater, (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment.. Most industries produce some ,wastewater,.Recent trends have been to minimize such production or ...

New trends in removing heavy metals from industrial wastewater
New trends in removing heavy metals from industrial wastewater

1/10/2011, · The ,removal, of lead ,ions, was >99%, while with arsenate ,ions, it was 19%, in both the systems. Modified UF blend membranes based on cellulose acetate (CA) with polyether ketone ( Arthanareeswaran et al., 2007 ), sulfonated polyetherimide (SPEI) Nagendran et al., 2008 , and polycarbonate ( Vijayalakshmi et al., 2008 ) were recently tested for heavy metals ,removal, from water.

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