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Treatment of acid 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 of acid fracturing flowback fluid
Sludge Stabilization - Lime sludge stabilization system ...
Sludge Stabilization - Lime sludge stabilization system ...

The addition of lime increase also the sludge dry material content as lime react with water and vapor is released. A dry material content of 30% can be easily reached whatever the type of dewatering equipment used upstream. Sludge and lime should be mixed intimately and homogeneously to …

Coagulation and Flocculation in Water and Wastewater ...
Coagulation and Flocculation in Water and Wastewater ...

The total ,reaction, time from the point of ferric chloride addition to entering the primary clarifiers was approximately 8 minutes at peak flow. Factors affecting coagulation operations Temperature. Temperature significantly affects coagulation operations, particularly for low turbidity waters, by shifting the optimum pH.

water treatment - coagulation-flocculation typical ...
water treatment - coagulation-flocculation typical ...

industrial ,wastewater,. When using a mineral coagulant treatment, up to 2 g . m –3 of an anionic polymer will generally be required. In some special cases (surface treatment, steel mills, gas washing), a cationic coagulant-flocculant polymer on its own is often the best solution (0.5 to 5 g . m –3). urban ,wastewater, (physical-chemical ...

Chemicals in Water & Wastewater Treatment
Chemicals in Water & Wastewater Treatment

this ,reaction, is K H = [HOCl] [H+] [Cl] 2 0= 4.5 × 10 –4 (mole/l) at 25 C. Cl 2 Because of the magnitude of the equilibrium constant. Large quantities of Cl can be dissolved in water. Ionization of hypochlorous ,acid, to hypochlorite ion (OCl–) may be defined as HOCl H+ + OCl– The ionization constant Ki for this ,reaction, is

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