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Removal of trace elements from acid wastewater by ammonium ferric sulfate

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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Removal of trace elements from acid wastewater by ammonium ferric sulfate
Electrochemical technologies for wastewater treatment and ...
Electrochemical technologies for wastewater treatment and ...

EC or ECF processes are now used widely in the ,treatment, of many types of wastewaters including dye and textile ,wastewater,, 373–377 refractory oily ,wastewater,, 378–380 municipal ,wastewater,, 381–385 manufacturing ,wastewater,, 386–388 and wastewaters with phenol, 389 toxic metals 390–393 and inorganic metals. 394–398 Bench and pilot-scale research studies on using EC and ECF ...

Electrochemical technologies for wastewater treatment and ...
Electrochemical technologies for wastewater treatment and ...

EC or ECF processes are now used widely in the ,treatment, of many types of wastewaters including dye and textile ,wastewater,, 373–377 refractory oily ,wastewater,, 378–380 municipal ,wastewater,, 381–385 manufacturing ,wastewater,, 386–388 and wastewaters with phenol, 389 toxic metals 390–393 and inorganic metals. 394–398 Bench and pilot-scale research studies on using EC and …

Dual Electrodes Oxidation of Dye Wastewater with Gas ...
Dual Electrodes Oxidation of Dye Wastewater with Gas ...

Compared to a traditional one cell reactor, this reactor cuts the energy cost by 50%, and thus might lead to reconsideration of the electrochemical role in ,wastewater treatment,. A Pt/C gas diffusion electrode (GDE) is fabricated and used as a cathode fed with oxygen-,containing, gases to …

Electrocoagulation (EC) technology for wastewater ...
Electrocoagulation (EC) technology for wastewater ...

10/7/2017, · Electrocoagulation (EC) is the process of destabilizing suspended, emulsified, or dissolved contaminants in an aqueous medium by introducing an electric current into the medium. It can be used for wastewater treatment where DC voltage is applied to the electrodes, usually made of iron or aluminum, and the electrolyte is water or wastewater.

Electrolytic removal of hexavalent chromium from aqueous ...
Electrolytic removal of hexavalent chromium from aqueous ...

Selvam Ramarajan, Duraisamy Tamilselvi, Muthunarayanan Vasanthy, ,Chromium, (VI) Reduction from Tannery ,Wastewater, and Aqueous Solutions by Adsorption and Biosorption, Waste Management and Resource Efficiency, 10.1007/978-981-10-7290-1, (1237-1251), (2019).

ELECTROCHEMICAL TREATMENT OF SOLUTIONS CONTAINING …
ELECTROCHEMICAL TREATMENT OF SOLUTIONS CONTAINING …

Process of abatement of the hexavalent chromium content of a raw solution with production of a reduced solution comprising an electrolytic reduction carried out in an electrolysis cell free of a separator provided with inlet and outlet of the raw solution, capable of maintaining a high mass transport through the whole bulk of the cell, and equipped with a stainless steel cathode and an …

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

Generally, alkaline mercury-,containing wastewater, is usually treated by chemical coacervation or sulfide precipitation; acidic mercury-,containing wastewater, can be treated by metal reduction; low-concentration mercury-,containing wastewater, can be treated by activated carbon adsorption, chemical coacervation or activated sludge; organic mercury ,wastewater, is difficult to treat and …

SOLUTION FOR WASTEWATER PROBLEM RELATED TO …
SOLUTION FOR WASTEWATER PROBLEM RELATED TO …

The treatment of chromate containing wastewater can be achieved by passing through a column of acid absorbing artificial resin Deminrolit B. chromate was completely absorbed until the resin was exhausted but on treatment with 5% solution of ammonium hydroxide only a small portion of chromate was recovered as ammonium chromate.

Electrocoagulation (EC) technology for wastewater ...
Electrocoagulation (EC) technology for wastewater ...

10/7/2017, · Electrocoagulation (EC) is the process of destabilizing suspended, emulsified, or dissolved contaminants in an aqueous medium by introducing an electric current into the medium. It can be used for wastewater treatment where DC voltage is applied to the electrodes, usually made of iron or aluminum, and the electrolyte is water or wastewater.

Dual Electrodes Oxidation of Dye Wastewater with Gas ...
Dual Electrodes Oxidation of Dye Wastewater with Gas ...

Compared to a traditional one cell reactor, this reactor cuts the energy cost by 50%, and thus might lead to reconsideration of the electrochemical role in ,wastewater treatment,. A Pt/C gas diffusion electrode (GDE) is fabricated and used as a cathode fed with oxygen-,containing, gases to produce hydrogen peroxide.

Electrochemical Reactors for Wastewater Treatment ...
Electrochemical Reactors for Wastewater Treatment ...

The main field of application in ,wastewater, is the ,treatment, of highly concentrated ,wastewater,. Low concentrated ,wastewater, may firstly be concentrated, because the energy demand of the ,electrolytic, metal separation increases strongly with low conductivity of the treated water, due to the reduced current yield associated with a falling metal ion concentration of the water.

SOLUTION FOR WASTEWATER PROBLEM RELATED TO …
SOLUTION FOR WASTEWATER PROBLEM RELATED TO …

The treatment of chromate containing wastewater can be achieved by passing through a column of acid absorbing artificial resin Deminrolit B. chromate was completely absorbed until the resin was exhausted but on treatment with 5% solution of ammonium hydroxide only a small portion of chromate was recovered as ammonium chromate.

15 types of industrial wastewater treatment processes ...
15 types of industrial wastewater treatment processes ...

8.Cyanide-,containing wastewater,. The cyanide-,containing wastewater, mainly comes from electroplating, coal gas, coking, metallurgy, metal processing, chemical fiber, plastic, pesticide, chemical and other departments. Cyanide-,containing wastewater, is a relatively toxic industrial ,wastewater,. It is unstable in water and easily decomposes.

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

Generally, alkaline mercury-containing wastewater is usually treated by chemical coacervation or sulfide precipitation; acidic mercury-containing wastewater can be treated by metal reduction; low-concentration mercury-containing wastewater can be treated by activated carbon adsorption, chemical coacervation or activated sludge; organic mercury wastewater is difficult to treat and is usually first oxidized to …

14 Industrial Wastewater Treatment Principals and Ideas
14 Industrial Wastewater Treatment Principals and Ideas

Generally, alkaline mercury-containing wastewater is usually treated by chemical coacervation or sulfide precipitation; acidic mercury-containing wastewater can be treated by metal reduction; low-concentration mercury-containing wastewater can be treated by activated carbon adsorption, chemical coacervation or activated sludge; organic mercury wastewater is difficult to treat and is …

15 types of industrial wastewater treatment processes ...
15 types of industrial wastewater treatment processes ...

8.Cyanide-,containing wastewater,. The cyanide-,containing wastewater, mainly comes from electroplating, coal gas, coking, metallurgy, metal processing, chemical fiber, plastic, pesticide, chemical and other departments. Cyanide-,containing wastewater, is a relatively toxic industrial ,wastewater,. It is unstable in water and easily decomposes.

Removal of chromium from wastewater by membrane filtration ...
Removal of chromium from wastewater by membrane filtration ...

23/7/2020, · Chromium is a potentially toxic and carcinogenic metal originating from natural processes and anthropogenic activities such as the iron steel, electroplati. Removal of chromium from wastewater by membrane filtration, chemical precipitation, ion exchange, adsorption electrocoagulation, electrochemical reduction, electrodialysis, electrodeionization, ...

Electrolytic removal of hexavalent chromium from aqueous ...
Electrolytic removal of hexavalent chromium from aqueous ...

Selvam Ramarajan, Duraisamy Tamilselvi, Muthunarayanan Vasanthy, ,Chromium, (VI) Reduction from Tannery ,Wastewater, and Aqueous Solutions by Adsorption and Biosorption, Waste Management and Resource Efficiency, 10.1007/978-981-10-7290-1, (1237-1251), (2019).

Removal of chromium from wastewater by membrane filtration ...
Removal of chromium from wastewater by membrane filtration ...

23/7/2020, · Chromium is a potentially toxic and carcinogenic metal originating from natural processes and anthropogenic activities such as the iron steel, electroplati. Removal of chromium from wastewater by membrane filtration, chemical precipitation, ion exchange, adsorption electrocoagulation, electrochemical reduction, electrodialysis, electrodeionization, ...

Electrochemical Reactors for Wastewater Treatment ...
Electrochemical Reactors for Wastewater Treatment ...

The main field of application in ,wastewater, is the ,treatment, of highly concentrated ,wastewater,. Low concentrated ,wastewater, may firstly be concentrated, because the energy demand of the ,electrolytic, metal separation increases strongly with low conductivity of the treated water, due to the reduced current yield associated with a falling metal ion concentration of the water.

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