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Treatment of acid wastewater by micro charge method

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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Treatment of acid wastewater by micro charge method
Pollution Prevention in the Plating Process
Pollution Prevention in the Plating Process

If a plater uses traditional chemical precipitation to treat the nickel-laden wastewater prior to discharge, the resulting sludge automatically is classified as a F006 hazardous waste. Iron and chromium contamination is common in acidic nickel baths.

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

An ,electrochemical, reactor with a rotating cylinder electrode (RCE) and a pH controller were utilized to optimize the ,electrochemical, recovery of ,nickel, from a synthetic ,nickel plating wastewater,. Control of the pH to ∼4 was crucial for recovering high-purity ,nickel,, while preventing the precipitation of hydroxides and oxides ( Fig. 13 ). 279

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

An ,electrochemical, reactor with a rotating cylinder electrode (RCE) and a pH controller were utilized to optimize the ,electrochemical, recovery of ,nickel, from a synthetic ,nickel plating wastewater,. Control of the pH to ∼4 was crucial for recovering high-purity ,nickel,, while preventing the precipitation of hydroxides and oxides ( Fig. 13 ). 279

Anodizing - Wikipedia
Anodizing - Wikipedia

Anodizing, is an electrolytic passivation process used to increase the thickness of the natural oxide layer on the surface of metal parts.. The process is called ,anodizing, because the part to be treated forms the anode electrode of an electrolytic cell.,Anodizing, increases resistance to corrosion and wear, and provides better adhesion for paint primers and glues than bare metal does.

Development of application of ion-exchange membrane ...
Development of application of ion-exchange membrane ...

The technology combining electrodialysis with ,electrolysis, is called ion-exchange membrane ,electrolysis,.Its application in ,wastewater, treatment has commenced recently.According to the fruits acquired in environmental protection by ion-exchange membrane ,electrolysis,,its mechanism and applications to ,wastewater, treatment are overviewed.Deficiency and progress in the future of ion …

Journal of Environmental Sciences 21(2009) 35–40
Journal of Environmental Sciences 21(2009) 35–40

chemical ,nickel plating wastewater, on the application of electro-Fenton, ,containing, a mixture of ,nickel, ions, chelates and hypophosphite. A 93% removal e ciency of COD and a complete removal of ,nickel, ions (>99.9%) was obtained while using IrO2/RuO2 composite anode (Chang et al., 2004). The O3 process, photo-degradation

奥野制药工业株式会社 │ 表面处理部门 Custom Tags For Nickel Plating …
奥野制药工业株式会社 │ 表面处理部门 Custom Tags For Nickel Plating …

特点. Improve electroless Ni-P ,plating, films. Not ,containing, chromium, easy ,wastewater, treatment. Improve adhesion with water-, solvent-based coats. No impact on plated appearance. Better corrosion resistance than hexavalent chromating (when small thickness) Substrate : General metal. Rust Preventing Agent and Stripping Agent.

Journal of Environmental Sciences 21(2009) 35–40
Journal of Environmental Sciences 21(2009) 35–40

chemical ,nickel plating wastewater, on the application of electro-Fenton, ,containing, a mixture of ,nickel, ions, chelates and hypophosphite. A 93% removal e ciency of COD and a complete removal of ,nickel, ions (>99.9%) was obtained while using IrO2/RuO2 composite anode (Chang et al., 2004). The O3 process, photo-degradation

Development of application of ion-exchange membrane ...
Development of application of ion-exchange membrane ...

The technology combining electrodialysis with ,electrolysis, is called ion-exchange membrane ,electrolysis,.Its application in ,wastewater, treatment has commenced recently.According to the fruits acquired in environmental protection by ion-exchange membrane ,electrolysis,,its mechanism and applications to ,wastewater, treatment are overviewed.Deficiency and progress in the future …

Removal of Chromium Using Electrochemical Approaches: A Review
Removal of Chromium Using Electrochemical Approaches: A Review

removal of chromium from ,wastewater, [18-21]. To effectively remove chromium from ,plating, industry effluents, ,iron, electrodes in bipolar mode were used for the electrochemical precipitation of Cr(VI) [22]. Electroreduction consumed 10 times more power than electrochemical reduction, as

Anodizing - Wikipedia
Anodizing - Wikipedia

Anodizing, is an electrolytic passivation process used to increase the thickness of the natural oxide layer on the surface of metal parts.. The process is called ,anodizing, because the part to be treated forms the anode electrode of an electrolytic cell.,Anodizing, increases resistance to corrosion and wear, and provides better adhesion for paint primers and glues than bare metal does.

Rust Preventing Agent and Stripping Agent - 表面处理部门
Rust Preventing Agent and Stripping Agent - 表面处理部门

Can peel lead-free (Sn-Bi, Sn-Cu, Sn-Ag)solder ,plating, films. Strongly protect substrates from encroachment. Excellent in appearances after peeling. Hydrogen-peroxide free, halogen-free. Substrate : 42Alloy Copper alloy. ,Rust Preventing Agent and Stripping Agent,. Stripping Agent.

Removal of Chromium Using Electrochemical Approaches: A Review
Removal of Chromium Using Electrochemical Approaches: A Review

removal of chromium from ,wastewater, [18-21]. To effectively remove chromium from ,plating, industry effluents, ,iron, electrodes in bipolar mode were used for the electrochemical precipitation of Cr(VI) [22]. Electroreduction consumed 10 times more power than electrochemical reduction, as

The method of disposal of the spent electrolyte solution
The method of disposal of the spent electrolyte solution

Iron, ions removed from the cleaned electrolyte are accumulated in the catholyte which contains 2-50 g/l sulphuric acid and 5-75 g/l ,iron, ions and circulating through cathode chambers of one two-chamber ,electrolysis, cell and four three-chamber ,electrolysis, cells, and are deposited in form of a metal on cathodes in these ,electrolysis, cells.

The method of disposal of the spent electrolyte solution
The method of disposal of the spent electrolyte solution

Iron, ions removed from the cleaned electrolyte are accumulated in the catholyte which contains 2-50 g/l sulphuric acid and 5-75 g/l ,iron, ions and circulating through cathode chambers of one two-chamber ,electrolysis, cell and four three-chamber ,electrolysis, cells, and are deposited in form of a metal on cathodes in these ,electrolysis, cells.

TITANIUM ANODE | TITANIUM METAL
TITANIUM ANODE | TITANIUM METAL

The waste liquid includes: acid etching waste liquid, alkaline etching waste liquid, low copper ,containing, waste liquid, waste fixing liquid, waste frame material, ,nickel,-,containing, waste liquid, waste liquid ,containing, gold and palladium, and waste tin …

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