MATERIALS TRANSACTIONS
Online ISSN : 1347-5320
Print ISSN : 1345-9678
Indium Recovery from Bearing Alloy via Pyrometallurgical Chlorination Process Utilizing Ammonium Chloride
Osamu TerakadoHiroaki IshikawaMasahiro Hirasawa
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2013 Volume 54 Issue 12 Pages 2271-2275

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Abstract

The chlorination process utilizing ammonium chloride as chlorination reagent has been employed for the recovery of elements with emphasis on indium from bearing alloy through vaporization of the chlorides. It was found that the chlorination took place by the heating of the model sample in the presence of ammonium chloride. The influence of the process parameters, such as reaction temperature and gas flow rate, has been investigated. The addition of activated carbon resulted in the adsorption of chloride on the carbon surface. The present result indicates the possibility of the recovery process through transport of the target element from the sample to pores of activated carbon.

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© 2013 The Japan Institute of Metals and Materials
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