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Treatment method of oilfield 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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Treatment method of oilfield fracturing flowback fluid
Wastewater Treatment of Tanneries Industry through Bio ...
Wastewater Treatment of Tanneries Industry through Bio ...

neutralization,(1 kg TSS/m3), and considerable use of chemical materials (such as Fe SO 4, Fe Cl 2, H 2 SO 4, Ca (OH) 2) are the problems caused by the necessary ,acid, condition of Fe`s concentration in treated ,wastewater, in this method. II. MATERIALS AND METHODS The solution for conquering these problems is the method

Review of Passive Systems for Acid Mine Drainage Treatment ...
Review of Passive Systems for Acid Mine Drainage Treatment ...

27/9/2016, · ,Passive treatment, is commonly considered in settings where neither the severity of AMD nor the available resources warrant active ,treatment, that require continuous additions of alkaline chemical reagents (“active ,treatment,”) such as lime (CaO), slaked or hydrated lime (Ca(OH) 2), anhydrous ammonia (NH 3), or sodium hydroxide (NaOH) to neutralize acidity …

Treatment of oilfield wastewater by combined process of ...
Treatment of oilfield wastewater by combined process of ...

First,, add 250 mL ,wastewater, into the flask, then add the CPAM and stir the mixture by an electronic stirrer at 150 rpm, which was maintained at room temperature. After 10 min of stirring, the mixture was allowed to stand for 1 h, and then the supernatant was taken for characterization.

Disposal of Waste | Prudent Practices in the Laboratory ...
Disposal of Waste | Prudent Practices in the Laboratory ...

For example, elementary ,acid,-base ,neutralization, is usually allowed, as is ,treatment, that is the last step of a chemical procedure. ... Approval for such disposal should be requested from the local ,wastewater treatment, works. ... Safety must be ,the first consideration, before undertaking any of the procedures below.

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