Application of Ammonium Carbonate Solutions in Electrochemical Technology of Heavy Alloy Waste Processing

1
O G Kuznetsova
O G Kuznetsova
2
A M Levin
A M Levin
3
M A Sevostyanov
M A Sevostyanov
4
O I Tsybin
O I Tsybin
5
A O Bolshikh
A O Bolshikh

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GJSFR Volume 21 Issue A4

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The electrochemical behavior of the VNZhK alloy waste (wt.%: W 90, Ni 7,2, Fe 1,8, Co 1) in a solution of (NH 4 ) 2 CO 3 1M was investigated by using the methods of cyclic voltammetry in the potentiodynamic mode, potentiostatic electrolysis and electrolysis under the action of alternating current (industrial frequency 50 Hz). It was found, that the highest oxidation rate of VNZhK alloy waste (1700 mg /cm 2 •h) is achieved by using alternating current, and the highest current efficiency (about 100%) -by using direct current. A technological scheme was proposed for recovery of tungsten from the heavy tungsten alloy waste in the form of ammonium paratungstate.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

O G Kuznetsova. 2021. \u201cApplication of Ammonium Carbonate Solutions in Electrochemical Technology of Heavy Alloy Waste Processing\u201d. Global Journal of Science Frontier Research - A: Physics & Space Science GJSFR-A Volume 21 (GJSFR Volume 21 Issue A4): .

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High-quality image of research on ammonium carbonate solutions for electrochemical applications.
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GJSFR Volume 21 Issue A4
Pg. 149- 152
Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-A Classification: FOR Code: 091499
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v1.2

Issue date

December 6, 2021

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English

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The electrochemical behavior of the VNZhK alloy waste (wt.%: W 90, Ni 7,2, Fe 1,8, Co 1) in a solution of (NH 4 ) 2 CO 3 1M was investigated by using the methods of cyclic voltammetry in the potentiodynamic mode, potentiostatic electrolysis and electrolysis under the action of alternating current (industrial frequency 50 Hz). It was found, that the highest oxidation rate of VNZhK alloy waste (1700 mg /cm 2 •h) is achieved by using alternating current, and the highest current efficiency (about 100%) -by using direct current. A technological scheme was proposed for recovery of tungsten from the heavy tungsten alloy waste in the form of ammonium paratungstate.

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Application of Ammonium Carbonate Solutions in Electrochemical Technology of Heavy Alloy Waste Processing

O G Kuznetsova
O G Kuznetsova
A M Levin
A M Levin
M A Sevostyanov
M A Sevostyanov
O I Tsybin
O I Tsybin
A O Bolshikh
A O Bolshikh

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