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The principle of galvanic cell can be used to remove the impurities in acid 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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The principle of galvanic cell can be used to remove the impurities in acid wastewater
Treatment and Decolourisation of an Azo Dye in Industrial ...
Treatment and Decolourisation of an Azo Dye in Industrial ...

particular reference to colour removal and wastewater treatment. It is an acid dye and the acidic group acts as auxochrome in these dyes. They are used to dye wool, silk, nylon, and polyacrylic fibres10. Experimental Instrumentation Controlled potential electrolysis (CPE) was carried on BAS CV27 Cyclic Voltammograph in

Treatment of Pulp and Paper Effluent by Electro coagulation
Treatment of Pulp and Paper Effluent by Electro coagulation

Treatment, of Pulp and Paper Effluent by Electro coagulation ... electrodes. The influence of ,electrolysis, time, current density, pH, NaCl concentration, rotational speed of ... refluxed with ,potassium dichromate, and sulfuric ,acid, for 2 h and then titrated with ferrous ammonium

Electrochemical treatment of olive mill wastewater ...
Electrochemical treatment of olive mill wastewater ...

In recent years, the electrochemical oxidation process has been shown to be promising for industrial ,wastewater treatment,, mainly owing to its effectiveness and ease of operation. 12 With sodium chloride as the solute and water as the solvent, a chloride–chlorine–chloride cycle takes place instantly on the anode of the electrolytic cell.

Electrochemical treatment of tannery effluents and chrome ...
Electrochemical treatment of tannery effluents and chrome ...

sodium hypochlorite, ,potassium dichromate,, lime, chloride, sulfuric ,acid,, formic ,acid,, surfactants, sodium sulphide, sodium salts and ammonium, etc. ). The skin obtained is then processed by Cr3+ or by the tannins plants, the mineral salts and dyes to produce leather (Figure 1).

AN OPTIMIZATION PROCESS IN THE REDUCTION OF CHEMICAL ...
AN OPTIMIZATION PROCESS IN THE REDUCTION OF CHEMICAL ...

COD has been found out. The treatment procedure was conducted using a constant electrolysis time of one hour. It has been found that spent wash treated with current density of 0.2A/cm2, distance between electrode of 1cm, and initial pH of 6 has the highest percentage of COD reduction which is 79.09%. Also,

Electrochemical treatment of olive mill wastewater ...
Electrochemical treatment of olive mill wastewater ...

In recent years, the electrochemical oxidation process has been shown to be promising for industrial ,wastewater treatment,, mainly owing to its effectiveness and ease of operation. 12 With sodium chloride as the solute and water as the solvent, a chloride–chlorine–chloride cycle takes place instantly on the anode of the electrolytic cell.

Removal of pyrazinamide and its by-products from water ...
Removal of pyrazinamide and its by-products from water ...

methods to conventional ,wastewater treatment, techniques. Indeed, ... Several ,electrolysis, experiments were carried out on ... containing ,potassium dichromate,, sulfuric ,acid, and mercuric sulfate, was used a range of 0 to 150 mg O 2 L−1 of a digestion solution.

Electrochemical treatment of tannery effluents and chrome ...
Electrochemical treatment of tannery effluents and chrome ...

sodium hypochlorite, ,potassium dichromate,, lime, chloride, sulfuric ,acid,, formic ,acid,, surfactants, sodium sulphide, sodium salts and ammonium, etc. ). The skin obtained is then processed by Cr3+ or by the tannins plants, the mineral salts and dyes to produce leather (Figure 1).

Original Research Deep Denitrification of the Simulated ...
Original Research Deep Denitrification of the Simulated ...

Wastewater Treatment, Plant (GB18918-2002) (Chinese ... measured by ,potassium dichromate, method and the Fig. 1. ... on the hypochlorite ,acid,. ,By electrolysis,, the chloride ion transformed to hypochlorite ,acid, with strong oxidizability [27], that could oxidize ammonia-N ...

Removal of pyrazinamide and its by-products from water ...
Removal of pyrazinamide and its by-products from water ...

methods to conventional ,wastewater treatment, techniques. Indeed, ... Several ,electrolysis, experiments were carried out on ... containing ,potassium dichromate,, sulfuric ,acid, and mercuric sulfate, was used a range of 0 to 150 mg O 2 L−1 of a digestion solution.

(PDF) Textile Dyeing Wastewater Treatment | Mustafa ...
(PDF) Textile Dyeing Wastewater Treatment | Mustafa ...

The sulfide in the ,wastewater, is about 10 mg/L. There are two main sources of hexavalent chromium. Cylinder engraving makes the ,wastewater, containing hexavalent chromium. However, this technology has not been used. Another possible source is the use of ,potassium dichromate, additive in hair dyeing process. Aniline mainly comes from the dyes.

Treatment of Pulp and Paper Effluent by Electro coagulation
Treatment of Pulp and Paper Effluent by Electro coagulation

Treatment, of Pulp and Paper Effluent by Electro coagulation ... electrodes. The influence of ,electrolysis, time, current density, pH, NaCl concentration, rotational speed of ... refluxed with ,potassium dichromate, and sulfuric ,acid, for 2 h and then titrated with ferrous ammonium

TREATMENT OF INDUSTRIAL EFFLUENT BY ELECTRO- …
TREATMENT OF INDUSTRIAL EFFLUENT BY ELECTRO- …

conventional water and ,wastewater treatment, processes ... ,electrolysis, cell, a power supply, a magnetic stirrer. Experimental Setup Electro-coagulation reactor consists of an electrolytic cell ... oxidized with a known excess of ,potassium dichromate, in a 50% sulfuric ,acid, solution.

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

4.1 ,Treatment, of ,wastewater, solutions by electro- + 2OH coagulation 4.1.1 COD degradation The decrease of the COD in the solution during the ,electrolysis, time at a current intensity (I) equal to 2A is shown in Figure 1. The initial COD (COD°) was 64 mg O 2 /dm3 (Table 1) and decreased during ,treatment, to 30 mg O 2 /dm3.

AN OPTIMIZATION PROCESS IN THE REDUCTION OF CHEMICAL ...
AN OPTIMIZATION PROCESS IN THE REDUCTION OF CHEMICAL ...

COD has been found out. The treatment procedure was conducted using a constant electrolysis time of one hour. It has been found that spent wash treated with current density of 0.2A/cm2, distance between electrode of 1cm, and initial pH of 6 has the highest percentage of COD reduction which is 79.09%. Also,

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