TRACKING PYRITIC SULFUR DURING THE MICROWAVE- CHEMICAL DESULFURIZATION OF COAL USING MOSSBAUER SPECTROSCOPY

The transformations of pyrite in coal during the microwave-chemical treatment for desulfurization of coal was studied with Mossbauer spectroscopy of Fe. The results for phase analyses show that the selective dielectric heating by microwave energy can give rise to the thermal decomposition of pyrite...

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Published in:核技术：英文版 1992 (2), p.121-125
Main Author: 翁斯灏 王杰
Format: Article
Language:English
Subjects:
Acid-washing
Coal
Desulfurization
irradiation
Microwave
Mossbauer
spectroscopy
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description The transformations of pyrite in coal during the microwave-chemical treatment for desulfurization of coal was studied with Mossbauer spectroscopy of Fe. The results for phase analyses show that the selective dielectric heating by microwave energy can give rise to the thermal decomposition of pyrite FeS2 in coal to new phases, pyrrhotite Fe1-xS (0<x≤0.125) and troilite FeS which can be dissolved in dilute HC1 solution. Therefore the microwave irradiation combined with the acid washing treatment will be an effective method of desulfurization of coal.
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ispartof 核技术：英文版, 1992 (2), p.121-125
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2210-3147
language eng
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subjects Acid-washing
Coal
Desulfurization
irradiation
Microwave
Mossbauer
spectroscopy
title TRACKING PYRITIC SULFUR DURING THE MICROWAVE- CHEMICAL DESULFURIZATION OF COAL USING MOSSBAUER SPECTROSCOPY
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