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Acid coking wastewater

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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Acid coking wastewater
Solar Thermo-coupled Electrochemical Oxidation of Aniline ...
Solar Thermo-coupled Electrochemical Oxidation of Aniline ...

The supporting electrolyte of Na 2 SO 4 was added to the aniline ,wastewater, for ready ,electrolysis,. ... standard ,potassium dichromate, ... synthesis of benzoic ,acid,: Role of graphite ,electrode,.

CN103668301B - Electrolysis is utilized to prepare the ...
CN103668301B - Electrolysis is utilized to prepare the ...

A kind of method utilizing ,electrolysis, to prepare chromium ,acid, sodium solution comprises the following steps: provide ,electrolysis, unit, including ,electrolysis, bath, power supply, industry ferrochrome, negative ,electrode, and barrier film;Being arranged in a cell with cathode separation by industry ferrochrome, described industry ferrochrome is connected with the positive electrical of ...

Tertiary treatment of wastewater by electro-coagulation ...
Tertiary treatment of wastewater by electro-coagulation ...

iron, or EF ,iron, and ,iron,-platinum for AEO Pt. The specific surface areas of the electrodes were 28.5 cm2 and 8 cm2 for ,iron, and platinum electrodes, respectively. The ,electrode, gap was 2 cm. The solution volume was 0.5 dm3. The temperature was kept constant at 25 °C. Magnetic stirring was maintained during the experiments. EC ,iron, and EF ,iron

Determination of the Efficiency of Different Modified ...
Determination of the Efficiency of Different Modified ...

potassium, chloride, sodium hydroxide, sulphuric ,acid,, ,potassium dichromate,, silver sulfate were of analytical grade and purchased from Merck. Distilled water was used for the preparation of solutions. Standard solutions ,of potassium dichromate, (K 2 Cr 2 O 7), sulfuric ,acid, (H 2 SO 4) reagent with silver sulfate (Ag 2 SO 4

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