The removal of pyritic sulfur from Askale lignite in aqueous suspension by nitric acid

被引：28

作者：

Karaca, S ^{[1
]}

Akyürek, M

Bayrakçeken, S

机构：

[1] Ataturk Univ, Dept Chem, Fen Edebiyat Fak, TR-25240 Erzurum, Turkey

[2] Ataturk Univ, Dept Chem, KK Egitim Fak, TR-25240 Erzurum, Turkey

来源：

FUEL PROCESSING TECHNOLOGY | 2003年 / 80卷 / 01期

关键词：

desulphurization; pyritic sulfur; Turkish lignite;

D O I：

10.1016/S0378-3820(02)00026-7

中图分类号：

O69 [应用化学];

学科分类号：

081704 [应用化学];

摘要：

The removal of pyritic sulfur from a Turkish lignite in aqueous suspension by nitric acid was investigated. The effects of particle size ( - 60, - 100 and - 200 mesh), reaction time (0 - 10 800 s), nitric acid concentration (5-30 wt.%), temperature (25-103 degreesC) and speed -of stirring (0.75-20 s(-1)) were studied. The pyritic sulfur was quantitatively removed at boiling temperature (approximate to103 degreesC in Erzurum) in 25% HNO3 solution. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：1 / 8

页数：8

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