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Recovery of fracturing flowback fluid in Sulige gas field

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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Recovery of fracturing flowback fluid in Sulige gas field
How to Treat Wastewater in Non-Ferrous Metal Industry?
How to Treat Wastewater in Non-Ferrous Metal Industry?

The presence of the chromate ion complicates both electrolytic regeneration of the pickling acid and also the treatment of the effluent. Over the past 5 year progress has been made in substituting hydrogen peroxide as the oxidising agent, which avoids the effluent treatment complication and does not interfere with the electrolytic recovery of copper from the pickle solution.

Removal of Copper Ions from Acid Mine Drainage Wastewater ...
Removal of Copper Ions from Acid Mine Drainage Wastewater ...

cally feasible as a ,wastewater, treatment operation. Sev-eral adsorbents can be used to remove metal ions, in-cluding activated carbons, alumina, silica, bentonite and peat. Yi et.al. [8-10] has also studied the removal of in-organic metal ions namely cadmium, cobalt, zinc, silver, ,copper,, mercury, chromium and lead from aqueous solu-

Wastewater Treatment during PCB Fabrication Process | PSPCB
Wastewater Treatment during PCB Fabrication Process | PSPCB

(2) Cleaning: Before the PCB imaging, there will be a pre-treatment process, which is to clean the copper surface with a dilute sulfuric acid solution and polish it with machines, in order to remove oxides. Organic wastewater and sulfuric acid mist gas get produced here.

Treatment of wastewater containing copper zinc nickel ...
Treatment of wastewater containing copper zinc nickel ...

Duolite ES‐467 was used to ,treat wastewater containing, heavy metal ions. Sorption experiments were carried out at varying pH values, agitation speeds, reaction times, and metal ,ion, and sorbent concentrations. Each of the parameters affects the sorption behaviour of individual metal ions. ,Copper, sorption was greater compared with other metal ions ...

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