A new method for preparation of tungsten carbide powder by in situ electrochemical reduction

Liwen Zhang; Xiaoli Xi; Zuoren Nie

Electrochemistry Communications (Jan 2022)

A new method for preparation of tungsten carbide powder by in situ electrochemical reduction

Liwen Zhang,
Xiaoli Xi,
Zuoren Nie

Affiliations

Liwen Zhang: Collaborative Innovation Center of Capital Resource-Recycling Material Technology, Beijing University of Technology, Beijing 100124, China; National Engineering Laboratory for Industrial Big-data Application Technology, Beijing University of Technology, Beijing 100124, China
Xiaoli Xi: Collaborative Innovation Center of Capital Resource-Recycling Material Technology, Beijing University of Technology, Beijing 100124, China; Key Laboratory of Advanced Functional Materials, Ministry of Education, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, China; Corresponding authors at: Collaborative Innovation Center of Capital Resource-Recycling Material Technology, Beijing University of Technology, Beijing 100124, China.
Zuoren Nie: Collaborative Innovation Center of Capital Resource-Recycling Material Technology, Beijing University of Technology, Beijing 100124, China; Key Laboratory of Advanced Functional Materials, Ministry of Education, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing 100124, China; National Engineering Laboratory for Industrial Big-data Application Technology, Beijing University of Technology, Beijing 100124, China; Corresponding authors at: Collaborative Innovation Center of Capital Resource-Recycling Material Technology, Beijing University of Technology, Beijing 100124, China.

Journal volume & issue: Vol. 134
p. 107179

Abstract

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A new electrochemical method for efficient and green recovery of cemented carbide in a molten salt is described. Tungsten powder is the main product when recovering cemented carbide by molten salt electrolysis. However, the main purpose of tungsten powder is to make tungsten carbide. Based on this, a new method for preparing tungsten carbide by in situ reduction was developed. Pure tungsten carbide powder was successfully prepared in situ by pulse electrolysis in a NaF–KF molten salt system at 1073 K. This not only effectively recovers the spent cemented carbide, but also enriches the product system and optimizes the method for preparation of tungsten carbide powder.

Published in Electrochemistry Communications

ISSN: 1388-2481 (Print); 1873-1902 (Online)
Publisher: Elsevier
Country of publisher: United States
LCC subjects: Technology: Chemical technology: Industrial electrochemistry; Science: Chemistry
Website: https://www.journals.elsevier.com/electrochemistry-communications

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