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The acid wastewater of a chemical plant is known

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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The acid wastewater of a chemical plant is known
Electrochemical Treatment of Phenolic Wastewater with ...
Electrochemical Treatment of Phenolic Wastewater with ...

and 30 mL sodium sulfate solution were added to the electrolytic cell, and the two electrodes were kept parallel and immersed vertically in the electrolyte. The two electrodes were stirred magnetically, the DC

Integrating Diffusion Dialysis with Membrane Electrolysis ...
Integrating Diffusion Dialysis with Membrane Electrolysis ...

Recovery ,of Acid, and Base from ,Sodium Sulfate Containing, Lithium Carbonate Using Bipolar Membrane Electrodialysis. Membranes 2021, 11 (2) , 152. https://doi.org/10.3390/membranes11020152; Haiyang Yan, Liang Wu, Yaoming Wang, Muhammad Irfan, Chenxiao Jiang, Tongwen Xu.

Solar-mediated thermo-electrochemical oxidation of sodium ...
Solar-mediated thermo-electrochemical oxidation of sodium ...

The cyclic voltammetry were performed with a high concentration of SDBS (1000 mg/L) to distinguish the peaks in ,sodium sulfate, solution (Na 2 SO 4, 5 g·L −1) as the electrolyte with the ...

Research on the mechanism and reaction conditions of ...
Research on the mechanism and reaction conditions of ...

Sulfate exists extensively in brackish water, mine wastewater and industrial wastewater with a concentration of around thousands of mg L −1 to tens of thousands of mg L −1. 14 Generally, brackish water is neutral or slightly alkaline. 15 Wastewater containing sulphate, such as the mine wastewater, the effluent of the monosodium glutamate factory, and the wastewater in pharmaceutical industry and …

(PDF) Electrochemical treatment of industrial wastewater ...
(PDF) Electrochemical treatment of industrial wastewater ...

However, tion rates to be pH independent. in order to keep the costs of the process low and Fig. 4 shows results from a control experiment in favorable conditions for the subsequent biological which synthetic solutions ,containing, 5.0 mmol l 1 treatment, working at room temperature would be AMBI+50 g l 1 ,sodium sulfate, underwent ,electrolysis, desirable.

Indirect Electrochemical Oxidation of Dye Wastewater ...
Indirect Electrochemical Oxidation of Dye Wastewater ...

for ,electrolysis, in galvanostatic mode. In order to maintain the necessary conductivity, 0.005 M ,sodium sulfate, (Na 2 SO 4) was added into the synthetic dye ,wastewater, in all experiments. The influence of the operating parameters, including current density (I), ,sodium, chloride (NaCl) dosage, initial pH

(PDF) Electrochemical treatment of industrial wastewater ...
(PDF) Electrochemical treatment of industrial wastewater ...

However, tion rates to be pH independent. in order to keep the costs of the process low and Fig. 4 shows results from a control experiment in favorable conditions for the subsequent biological which synthetic solutions ,containing, 5.0 mmol l 1 treatment, working at room temperature would be AMBI+50 g l 1 ,sodium sulfate, underwent ,electrolysis, desirable.

Electrochemical removal of tannins from aqueous solutions ...
Electrochemical removal of tannins from aqueous solutions ...

Macroscale potentiostatic or galvanostatic electrolyses were carried out with sodium sulfate or sodium chloride as supporting electrolytes, to analyze direct and indirect oxidation processes. Operating variables such as pH and chloride concentration were considered to determine their influence on the efficiency and energy consumption of the process.

THE APPLICATION OF REGENERATION TECHNOLOGY OF …
THE APPLICATION OF REGENERATION TECHNOLOGY OF …

Regeneration technology for ,electrolysis, of ,sodium sulfate, and its process flow were intrduced. The influencing factors were analysed and discussed. By applying the regeneration technology for ,electrolysis, of ,sodium sulfate,,Cr6 + concentration would decrease effectively to 2 ~ 3 g/L and Me concentration 2 ~ 5 g/L. The process effectively solves the problems about metal ion over standard ...

Research on the mechanism and reaction conditions of ...
Research on the mechanism and reaction conditions of ...

recycling of sulfate in wastewater. Materials and methods Materials The main reagents involved in the experiment include sodium sulfate, potassium iodide, sodium hydroxide, sulfuric acid, tert-butyl alcohol (TBA), carbamazepine (CBZ), sodium persulfate (PDS), sodium bicarbonate, 5,5-dimethyl-1 …

Indirect Electrochemical Oxidation of Dye Wastewater ...
Indirect Electrochemical Oxidation of Dye Wastewater ...

for ,electrolysis, in galvanostatic mode. In order to maintain the necessary conductivity, 0.005 M ,sodium sulfate, (Na 2 SO 4) was added into the synthetic dye ,wastewater, in all experiments. The influence of the operating parameters, including current density (I), ,sodium, chloride (NaCl) dosage, initial pH

Solar-mediated thermo-electrochemical oxidation of sodium ...
Solar-mediated thermo-electrochemical oxidation of sodium ...

The cyclic voltammetry were performed with a high concentration of SDBS (1000 mg/L) to distinguish the peaks in ,sodium sulfate, solution (Na 2 SO 4, 5 g·L −1) as the electrolyte with the ...

Research on the mechanism and reaction conditions of ...
Research on the mechanism and reaction conditions of ...

Sulfate exists extensively in brackish water, mine wastewater and industrial wastewater with a concentration of around thousands of mg L −1 to tens of thousands of mg L −1. 14 Generally, brackish water is neutral or slightly alkaline. 15 Wastewater containing sulphate, such as the mine wastewater, the effluent of the monosodium glutamate factory, and the wastewater in pharmaceutical industry and …

THE APPLICATION OF REGENERATION TECHNOLOGY OF …
THE APPLICATION OF REGENERATION TECHNOLOGY OF …

Regeneration technology for ,electrolysis, of ,sodium sulfate, and its process flow were intrduced. The influencing factors were analysed and discussed. By applying the regeneration technology for ,electrolysis, of ,sodium sulfate,,Cr6 + concentration would decrease effectively to 2 ~ 3 g/L and Me concentration 2 ~ 5 g/L. The process effectively solves the problems about metal ion over standard ...

Integrating Diffusion Dialysis with Membrane Electrolysis ...
Integrating Diffusion Dialysis with Membrane Electrolysis ...

Recovery ,of Acid, and Base from ,Sodium Sulfate Containing, Lithium Carbonate Using Bipolar Membrane Electrodialysis. Membranes 2021, 11 (2) , 152. https://doi.org/10.3390/membranes11020152; Haiyang Yan, Liang Wu, Yaoming Wang, Muhammad Irfan, Chenxiao Jiang, Tongwen Xu.

Research on the mechanism and reaction conditions of ...
Research on the mechanism and reaction conditions of ...

recycling of sulfate in wastewater. Materials and methods Materials The main reagents involved in the experiment include sodium sulfate, potassium iodide, sodium hydroxide, sulfuric acid, tert-butyl alcohol (TBA), carbamazepine (CBZ), sodium persulfate (PDS), sodium bicarbonate, 5,5-dimethyl-1 …

SYSTEM FOR REGENERATING SODIUM HYDROXIDE AND SULFURIC ACID ...
SYSTEM FOR REGENERATING SODIUM HYDROXIDE AND SULFURIC ACID ...

Acid leaching that is performed through the addition of sulfuric acid, and neutralization through the addition of sodium hydroxide, are common processes used in manufacturing. Waste water containing high concentrations of sodium and sulfate ions is a product of these manufacturing processes.

Indirect Electrochemical Oxidation of Dye Wastewater ...
Indirect Electrochemical Oxidation of Dye Wastewater ...

for ,electrolysis, in galvanostatic mode. In order to maintain the necessary conductivity, 0.005 M ,sodium sulfate, (Na 2 SO 4) was added into the synthetic dye ,wastewater, in all experiments. The influence of the operating parameters, including current density (I), ,sodium, chloride (NaCl) dosage, initial pH

SYSTEM FOR REGENERATING SODIUM HYDROXIDE AND SULFURIC ACID ...
SYSTEM FOR REGENERATING SODIUM HYDROXIDE AND SULFURIC ACID ...

Acid leaching that is performed through the addition of sulfuric acid, and neutralization through the addition of sodium hydroxide, are common processes used in manufacturing. Waste water containing high concentrations of sodium and sulfate ions is a product of these manufacturing processes.

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