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Recruitment of fracturing flowback fluid treatment company

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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Recruitment of fracturing flowback fluid treatment company
Guide to Chemical Oxygen Demand (COD) Testing
Guide to Chemical Oxygen Demand (COD) Testing

Chemical oxygen demand, (COD) is a critical waste treatment measurement in everything from municipal systems to food manufacturing waste streams. Performing COD testing the right way is important in determining wastewater treatment effectiveness and can …

Determination of Chemical Oxygen Demand of Wastewater ...
Determination of Chemical Oxygen Demand of Wastewater ...

Chemical Oxygen Demand (,COD,) Chemical oxygen demand (,COD) is used to determine the quantity of pollution in water after wastewater treatment. The higher value of chemical oxygen demand indicates the higher organic pollution in the water sample. Only chemically digest able matter can …

Chemical Oxygen Demand - an overview | ScienceDirect Topics
Chemical Oxygen Demand - an overview | ScienceDirect Topics

COD, was developed as a rapid means of measuring BOD and also as a means of measuring industrial or trade, wastewaters., The is the unit generally used in the definition of Mogden charges, as trade, wastewaters, may be toxic to treatment bacteria when undiluted and in any event frequently lack the bacteria necessary for the measurement of BOD.

COD Method 410: Chemical Oxygen Demand (Titrimetric Mid ...
COD Method 410: Chemical Oxygen Demand (Titrimetric Mid ...

9.1 Eighty-six analysts in fifty-eight laboratories analyzed a distilled water solution containing oxidizable organic material equivalent to 270 mg/L COD. The standard deviation was 17.76 mg/L COD with an accuracy as percent relative error (bias) of -4.7%. (EPA Method Research Study 3).

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