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Acid wastewater comprehensive utilization project

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 wastewater comprehensive utilization project
Removal of Organic Matter from Paper Mill Effluent by ...
Removal of Organic Matter from Paper Mill Effluent by ...

wastewater, (black liquor) in a 2 dm3 electrolytic batch reactor using ,iron, plate electrodes. Under optimal condi-tions (current density 55.56 A/m2 at neutral pH with a six-plate arrangement), 80% and 90% of COD and color were removed, respectively. The authors found that treatment time could be …

Mehmet A. Oturan Degradation of azo dyes in water by ...
Mehmet A. Oturan Degradation of azo dyes in water by ...

acid, and sulfuric ,acid, were purchased at the purest grade (Prolabo). ,Potassium dichromate, and ammonium ,iron,(II) sulfate hexahydrate (Mohr salt) Fe(NH. 4) 2 (SO. 4) 2 ·6H. 2. O used for chemical oxygen demand (COD) analysis were purchased from Aldrich. Solutions were prepared with deionized water (resistivity 18.2 M. W.cm) from a Milli-pore ...

Purification of grey water by electrocoagulation process using
Purification of grey water by electrocoagulation process using

supply with variant current density; ,iron,-,iron, electrodes of identical dimensions (2.0 cm × 2.0 cm × 0.2 cm) were used as anode and cathode. HCl solution to remove organic and inorganic deposits. For each run, the inter-,electrode, gap, ,electrolysis, time (t), ,electrode, type, pH, temperature and current density were changed. Experiments

Electrochemical Degradation of Reactive Yellow 160 Dye in ...
Electrochemical Degradation of Reactive Yellow 160 Dye in ...

After 20 min of continuous anodization , the ,electrode, was taken out of the ,electrolysis, bath and washed thoroughly in doubly distilled water followed by drying in air at 120°C for 2 h. 2.2.3. Preparation of Modified C/PbO 2 ,Electrode,. Carbon Surface Treatment.

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