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Influencing factors of fracturing fluid flowback

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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Influencing factors of fracturing fluid flowback
Understanding Laboratory Wastewater Tests: I. ORGANICS ...
Understanding Laboratory Wastewater Tests: I. ORGANICS ...

matter have traditionally been used to determine the relative “strength” of a ,wastewater, sample. Today there are four common laboratory tests used to determine the gross amount of organic matter (i.e., concentrations > 1.0 mg/L) in ,waste-water,: 1. BOD (biochemical oxygen demand) - See Page 3. 2. ,COD, (,chemical oxygen demand,) - See Page 5. 3.

CN106630383A - COD (chemical oxygen demand) degradation ...
CN106630383A - COD (chemical oxygen demand) degradation ...

The invention discloses a ,COD, (,chemical oxygen demand,) degradation process for production ,wastewater, of chloronicotinic ,acid,. The process adopts a) a pretreatment system and b) a ,wastewater, treatment system and comprises the following steps: 1, regulating ,wastewater, in a concentrated ,wastewater, regulating reservoir for 24 hours, and introducing the product into a Fenton pool for …

WO2015116406A1 - Method of reducing the chemical oxygen ...
WO2015116406A1 - Method of reducing the chemical oxygen ...

Disclosed are methods of ,reducing the chemical oxygen demand, (,COD,) of ,waste water, streams by treating the ,waste water, streams with a concentration of chlorine dioxide generated using a 3-Chemical Method involving sodium chlorite, sodium hypochlorite and an ,acid,. The chlorine dioxide treatment will typically be configured to remove at least 25% of the initial organic content of the ,waste water, ...

Chemical oxygen demand fractions of municipal wastewater ...
Chemical oxygen demand fractions of municipal wastewater ...

The assumed influent ,Chemical oxygen demand, (,COD,), N, P fractions can substantially influence the results of simulation-based design such as reactor volumes, solids residence time, effluent quality, oxygen demand, recirculation rates, sludge production, etc. Many publications are available on ,wastewater, characterization, but not a single review

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