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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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Nickel Alloy - zx-cncmachining.com
Nickel Alloy - zx-cncmachining.com

When ,alloy, elements capable of forming strengthening are added to ,nickel,, high-temperature mechanical properties, corrosion resistance, and certain physical properties will be further improved. ,Nickel, alloys can be electroplated without the need for copper primers, simplifying the process, achieving the goal of cyanide-free ,electroplating,, and improving environmental pollution.

STERC Library Technical Article - June 2020
STERC Library Technical Article - June 2020

A Case Study of the Wastewater Treatment Methods for Alkaline Zinc-Nickel by Mark Andrus1 and Brad Durkin1 Coventya, Inc Brooklyn Heights, OH USA ABSTRACT The alkaline electroplating solutions for plating zinc-nickel alloy coatings are a specified coating in use for automotive

Alkali zinc nickel bath - Walter Hillebrand GmbH & Co ...
Alkali zinc nickel bath - Walter Hillebrand GmbH & Co ...

The catholyte 4 surrounding the cathode is alkaline and consists of a zinc-nickel electroplating bath of known composition, in which amines are added as complex formers for the nickel ions. The anolyte 5 surrounding the anode 2 may, for example, consist of sulfuric acid or phosphoric acid.

(PDF) WASTE MANAGEMENT PROCESS IN ELECTROPLATING ...
(PDF) WASTE MANAGEMENT PROCESS IN ELECTROPLATING ...

Metals such as copper, nickel, chromium, zinc and alloy, tin and alloy, copper and alloy are commonly used for electrodeposition. Electroplating process has been successfully applied in large manufacturing plants such as automobile, cycle, and engineering industries as well as in small units for decorative, high durability and rustproof purposes [1-3].

Recovery of Ni(II) from real electroplating wastewater ...
Recovery of Ni(II) from real electroplating wastewater ...

• ,Resin adsorption and subsequent electrodeposition, were used for ,nickel, recovery. • Treated ,wastewater, can meet the ,Electroplating, Pollutant Discharge Standard. • The spent resin is completely regenerated by 3 BV of 4% HCl solution. • 95.6% of ,nickel, in concentrated eluent was recovered by electrodeposition.

Copper Nickel Chromium and Zinc Segment of the ...
Copper Nickel Chromium and Zinc Segment of the ...

Water rinsing operations after bright dipping or chromating also are sources for waste. Copper (and brass) plated steel and ,zinc alloy,, and ,zinc,-plated products are sometimes oxidized or otherwise treated in solutions that produce attractive, desired colors such as those described in Reference (3) .

Electroplating Services and Acid Zinc Plating Service ...
Electroplating Services and Acid Zinc Plating Service ...

An acidic zinc electroplating bath comprising zinc fluoborate dissolved in an aqueous liquid containing as an iron- and metal oxide-deposition inhibitor a small effective amount of a mixture of a 4-hydroxy-, 4-alkyl- or aryl-, 5-acyl- or aroyl-piperidine and thiourea or N-substituted derivative thereof.

STERC Library Technical Article - June 2020
STERC Library Technical Article - June 2020

A Case Study of the Wastewater Treatment Methods for Alkaline Zinc-Nickel by Mark Andrus1 and Brad Durkin1 Coventya, Inc Brooklyn Heights, OH USA ABSTRACT The alkaline electroplating solutions for plating zinc-nickel alloy coatings are a specified coating in use for automotive

STERC Library Technical Article - June 2020
STERC Library Technical Article - June 2020

A Case Study of the ,Wastewater, Treatment Methods for Alkaline ,Zinc,-,Nickel, by Mark Andrus1 and Brad Durkin1 Coventya, Inc Brooklyn Heights, OH USA ABSTRACT The alkaline ,electroplating, solutions for plating ,zinc,-,nickel alloy, coatings are a specified coating in use for automotive

Nickel Alloy - zx-cncmachining.com
Nickel Alloy - zx-cncmachining.com

When ,alloy, elements capable of forming strengthening are added to ,nickel,, high-temperature mechanical properties, corrosion resistance, and certain physical properties will be further improved. ,Nickel, alloys can be electroplated without the need for copper primers, simplifying the process, achieving the goal of cyanide-free ,electroplating,, and improving environmental pollution.

(PDF) WASTE MANAGEMENT PROCESS IN ELECTROPLATING ...
(PDF) WASTE MANAGEMENT PROCESS IN ELECTROPLATING ...

Metals such as copper, ,nickel,, chromium, ,zinc, and ,alloy,, tin and ,alloy,, copper and ,alloy, are commonly used for electrodeposition. ,Electroplating, process has been successfully applied in large manufacturing plants such as automobile, cycle, and engineering industries as well as in small units for decorative, high durability and rustproof purposes [1-3].

waste water treatment for zinc electroplating for morocco ...
waste water treatment for zinc electroplating for morocco ...

The general procedure for ,zinc, waters is adjusting the pH to 9.0 - 9.3, and then using a flocculant to make settleable solids. Personally, I have not had a lot of luck with lime treatment of ,zinc, plating ,wastewater,. If you are treating the rinses from an ,acid, chloride ,zinc, bath, adding a little at the start of the treatment may help. Free Inquiry

Electroplating. Zinc-nickel - A system with concept
Electroplating. Zinc-nickel - A system with concept

Download Citation | ,Electroplating,. ,Zinc,-,nickel, - A system with concept | ,Zinc,-,nickel alloy, layers on steel provide the best corrosion protection. To make the system secure process-wise and cost ...

Cobalt and Nickel wastewater: How much money are you ...
Cobalt and Nickel wastewater: How much money are you ...

Two mini case-studies on ,electroplating, and semiconductor fabrication ,wastewater, solutions will be presented, showing how ,nickel,, cobalt and copper recovery from ,wastewater, can turn ,wastewater, from an expensive burden into a source of revenue while closing the supply chain loop for these industries.

Pollution Prevention in the Plating Process
Pollution Prevention in the Plating Process

Zinc-Nickel Acid. Zinc-nickel acid solutions provide bright coatings that exhibit high throwing power. Good corrosion properties are maintained after parts- forming operations and heat treating because acid zinc-nickel delivers a higher nickel content than the alkaline zinc bath, which tends to increase corrosion.

METHOD FOR INTEGRATED TREATMENT OF ELECTROPLATING ...
METHOD FOR INTEGRATED TREATMENT OF ELECTROPLATING ...

Electroplating wastewater generally includes cyanide copper plating wastewater, pyrophosphate copper plating wastewater, acid copper plating wastewater, bright nickel-plating wastewater, potassium chloride zinc plating wastewater, alkaline non-cyanide zinc plating wastewater, cyanide imitation gold copper-zinc alloy electroplating wastewater, gun-color tin-nickel alloy electroplating wastewater, alkaline zinc …

Recovery of Ni(II) from real electroplating wastewater ...
Recovery of Ni(II) from real electroplating wastewater ...

• ,Resin adsorption and subsequent electrodeposition, were used for ,nickel, recovery. • Treated ,wastewater, can meet the ,Electroplating, Pollutant Discharge Standard. • The spent resin is completely regenerated by 3 BV of 4% HCl solution. • 95.6% of ,nickel, in concentrated eluent was recovered by electrodeposition.

(PDF) WASTE MANAGEMENT PROCESS IN ELECTROPLATING ...
(PDF) WASTE MANAGEMENT PROCESS IN ELECTROPLATING ...

Metals such as copper, nickel, chromium, zinc and alloy, tin and alloy, copper and alloy are commonly used for electrodeposition. Electroplating process has been successfully applied in large manufacturing plants such as automobile, cycle, and engineering industries as well as in small units for decorative, high durability and rustproof purposes [1-3].

Adsorption and Fenton-like removal of chelated nickel from ...
Adsorption and Fenton-like removal of chelated nickel from ...

1/1/2020, · Existed in ionic and/or chelated forms discharged from electroplating wastewater, heavy metals such as nickel, copper, zinc etc. would lead to serious deterioration of the surrounding water sources without appropriate treatment, owing to their toxicity and biological accumulation .

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