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Treatment of strong 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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Treatment of strong acid wastewater
Treatment of Pickling Wastewater from Electroless Nickel ...
Treatment of Pickling Wastewater from Electroless Nickel ...

References. Kim, C.-Y., "A study on pollutants removal for ,wastewater, from ,electroless plating, process," University of Seoul(2013). Nam, W.-K., "A Study on the ,plating, rate and the deposit characteristics of the ,electroless nickel plating, according to the ,plating, conditions," Inha University(2010).

Treatment of wastewater from electroless nickel plating ...
Treatment of wastewater from electroless nickel plating ...

CONSTITUTION: A treatment method of non-electrolytic ,nickel plating wastewater, includes the following steps: sodium chloride or sodium nitrate is added into non-electrolytic ,nickel plating wastewater,, and ethanol is mixed with the ,plating wastewater, to precipitate organic ,acid, salts to be removed; several components except for ,nickel, is precipitated and removed from the ,plating wastewater, ...

US4789484A - Treatment of electroless nickel plating baths ...
US4789484A - Treatment of electroless nickel plating baths ...

The major types of wastewater resulting from electroless nickel process are spent electroless nickel plating solutions, stripping solutions, and rinse waters. Stripping solutions employ nitric acid...

Electroplating Anodizing & Metal Treatment Hand Book
Electroplating Anodizing & Metal Treatment Hand Book

Plating Electroless Plating, 10. ,Wastewater, Control and Treatment Water Supply Water and Chemical Conservation ... 17 Sulfuric and Chromic ,Acid, Anodizing of Aluminium Sulfuric ,Acid, Anodizing Colouring Power Supply ... 30 ,Nickel Plating Nickel, fluoborate bath Precautions Semi-Bright ,Nickel Plating, …

US4789484A - Treatment of electroless nickel plating baths ...
US4789484A - Treatment of electroless nickel plating baths ...

The major types of wastewater resulting from electroless nickel process are spent electroless nickel plating solutions, stripping solutions, and rinse waters. Stripping solutions employ nitric acid...

A ZERO-EMISSION ELECTROLESS NICKEL PLATING BATH
A ZERO-EMISSION ELECTROLESS NICKEL PLATING BATH

The zero-emission ,electroless nickel plating, bath (named as EN1) was composed of 0.15mol/L ,nickel, hypophosphite, 0.075mol/L hypophosphorous ,acid,, 0.5mol/L lithium acetate, 20g/L citric ,acid, and 1.5g/L maleic ,acid,. The EN ,plating, layer (named as ENL1) was obtained on Q235 steel for 60min under the temperature of 90 C and the pH value of 4–5. For

International Journal of Engineering
International Journal of Engineering

3. 1. Materials ,Wastewater, from the ,electroless nickel plating, was obtained from Seagate, Senai, Johor. Di (2-ethylhexyl) phosphoric ,acid, (D2EHPA) (95% purity), sulphuric ,acid, (98% purity) and kerosene (78% purity) as a carrier, stripping agent and diluent,

Solving Patterns and Streaking on Electroless Nickel Deposits
Solving Patterns and Streaking on Electroless Nickel Deposits

MacDermid Envio Upgrades Aerospace ,Wastewater, System, Improves Rinse Water Quality Aerospace facilities are among the most high-tech plants in manufacturing and require efficient, effective ,wastewater, treatment systems.

Electrodialysis Treatment of Nickel Wastewater | SpringerLink
Electrodialysis Treatment of Nickel Wastewater | SpringerLink

Li CL, Zhao HX, Tsuru T et al (1999) Recovery of spent ,electroless nickel plating, bath by electrodialysis. J Membr Sci 157(2):241–249. doi: 10.1016/S0376-7388(98)00381-0 CrossRef Google Scholar 15.

How to Remove Heavy Metals from Wastewater
How to Remove Heavy Metals from Wastewater

Electroless nickel plating,; Printed circuit board manufacturing; Metal forming operations; Battery ... As ,wastewater, treatment has become such an important aspect of plant operations over the last ... zinc and ,nickel, of choice for today’s surface finishing industry is an alkaline electrolyte chemistry instead of an ,acid, electrolyte chemistry.

Electrodialysis Treatment of Nickel Wastewater | SpringerLink
Electrodialysis Treatment of Nickel Wastewater | SpringerLink

Li CL, Zhao HX, Tsuru T et al (1999) Recovery of spent ,electroless nickel plating, bath by electrodialysis. J Membr Sci 157(2):241–249. doi: 10.1016/S0376-7388(98)00381-0 CrossRef Google Scholar 15.

Treatment of Pickling Wastewater from Electroless Nickel ...
Treatment of Pickling Wastewater from Electroless Nickel ...

References. Kim, C.-Y., "A study on pollutants removal for ,wastewater, from ,electroless plating, process," University of Seoul(2013). Nam, W.-K., "A Study on the ,plating, rate and the deposit characteristics of the ,electroless nickel plating, according to the ,plating, conditions," Inha University(2010).

Epsopn Plating Division - Environmental Technlogy
Epsopn Plating Division - Environmental Technlogy

As such, ,nickel, waste in toxic sludge are generated from current treatment system which are hazardous and harmful to both the environment and human health. Epson has established A Unique ,Nickel, recovery system for recycling of a spent ,electroless nickel, (EN) ,plating, resulting in reduction on waste treatment and disposal cost, thus it is both economic and environmental friendly.

A ZERO-EMISSION ELECTROLESS NICKEL PLATING BATH
A ZERO-EMISSION ELECTROLESS NICKEL PLATING BATH

The zero-emission ,electroless nickel plating, bath (named as EN1) was composed of 0.15mol/L ,nickel, hypophosphite, 0.075mol/L hypophosphorous ,acid,, 0.5mol/L lithium acetate, 20g/L citric ,acid, and 1.5g/L maleic ,acid,. The EN ,plating, layer (named as ENL1) was obtained on Q235 steel for 60min under the temperature of 90 C and the pH value of 4–5. For

Treatment of wastewater from electroless nickel plating ...
Treatment of wastewater from electroless nickel plating ...

CONSTITUTION: A treatment method of non-electrolytic ,nickel plating wastewater, includes the following steps: sodium chloride or sodium nitrate is added into non-electrolytic ,nickel plating wastewater,, and ethanol is mixed with the ,plating wastewater, to precipitate organic ,acid, salts to be removed; several components except for ,nickel, is precipitated and removed from the ,plating wastewater, ...

Solving Patterns and Streaking on Electroless Nickel Deposits
Solving Patterns and Streaking on Electroless Nickel Deposits

MacDermid Envio Upgrades Aerospace ,Wastewater, System, Improves Rinse Water Quality Aerospace facilities are among the most high-tech plants in manufacturing and require efficient, effective ,wastewater, treatment systems.

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