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Oil gas field fracturing flow-back fluids treatment

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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Oil gas field fracturing flow-back fluids treatment
Converting Chemical Oxygen Demand (COD) of Cellulosic ...
Converting Chemical Oxygen Demand (COD) of Cellulosic ...

27/1/2017, · ,Wastewater, streams from different fermentation processes had been tried, including glutamic ,acid, fermentation ,wastewater, , municipal ,wastewater, , and distillery ,wastewater, . Of the ,COD, in ethanol fermentation ,wastewater, from sweet potato, 72.3% was reduced by oleaginous yeast Rhodosporidium toruloides Y2 with 1.33 g/L of lipid formation [ 13 ].

EFFECT OF ACETIC ACID ON POLLUTANT DECOMPOSITION IN ...
EFFECT OF ACETIC ACID ON POLLUTANT DECOMPOSITION IN ...

For washing wastewater-2 with initial COD of 350 mg O 2/dm 3, the applied doses of acetic acid were 0.4, 0.8, 2.1, 4.2 and 8.3 cm3/dm . The doses of both ferric sulfate and hydrogen peroxide were lower amounting to 1.6 g/dm 3 and 20 cm/dm , respectively. The values of COD in the wastewater before and after the Fenton process are shown in Fig. 2.

Semiconductor wastewater treatment-Wastewater treatment
Semiconductor wastewater treatment-Wastewater treatment

Semiconductor ,wastewater treatment,. Wuhan Tianma Electronic Co., Ltd 1) TianMa is LCD manufacturer, ,Wastewater, source from cleaning and etching process, most of contamination are HF , CeO2, ,COD,, NH3, ,acid,, Flow rate: 190 m3/ h. Flow diagram: Influent > EQ > 1st Anoxic > …

Chemical oxygen demand - Wikipedia
Chemical oxygen demand - Wikipedia

In environmental chemistry, the chemical oxygen demand is an indicative measure of the amount of oxygen that can be consumed by reactions in a measured solution. It is commonly expressed in mass of oxygen consumed over volume of solution which in SI units is milligrams per litre. A COD test can be used to easily quantify the amount of organics in water. The most common application of COD is in …

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