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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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gas testing waste water emission treatment centers near
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

Investigation of a novel pyrolusite particle electrode ...
Investigation of a novel pyrolusite particle electrode ...

Finally, PTFE can form an excellent porous structure in the particle electrode under 330 °C calcination conditions, increase the specific surface area of the particle electrode, strengthen the mass transfer and electrolysis reaction process and has outstanding recovery and regeneration ability (Sheng et al. 2011; Dong et al. 2012; Chen et al. 2014).

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,.

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 …

Water | Free Full-Text | A Comparison of the Mechanism of ...
Water | Free Full-Text | A Comparison of the Mechanism of ...

Choosing RhB ,wastewater, as one kind of dye ,wastewater,, this paper is going to analyze the mechanism of the TOC and COD degradation of RhB ,wastewater, in the aspect of mass transfer, the electrochemically active surface area (EASA) of electrodes, the instant concentration of hydroxyl radicals (·OH), current efficiency (CE), and energy consumption (Es) in the recycling-flow 3D electro-reactor system, …

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.

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,.

Water | Free Full-Text | A Comparison of the Mechanism of ...
Water | Free Full-Text | A Comparison of the Mechanism of ...

Choosing RhB ,wastewater, as one kind of dye ,wastewater,, this paper is going to analyze the mechanism of the TOC and COD degradation of RhB ,wastewater, in the aspect of mass transfer, the electrochemically active surface area (EASA) of electrodes, the instant concentration of hydroxyl radicals (·OH), current efficiency (CE), and energy consumption (Es) in the recycling-flow 3D electro-reactor system, …

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

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

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 ...

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.

Investigation of a novel pyrolusite particle electrode ...
Investigation of a novel pyrolusite particle electrode ...

Finally, PTFE can form an excellent porous structure in the particle electrode under 330 °C calcination conditions, increase the specific surface area of the particle electrode, strengthen the mass transfer and electrolysis reaction process and has outstanding recovery and regeneration ability (Sheng et al. 2011; Dong et al. 2012; Chen et al. 2014).

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 ...

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 ...

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 …

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

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