A THERMOGRAVIMETRIC STUDY OF THE REACTION BETWEEN SULFUR-DIOXIDE AND CALCIUM-OXIDE

被引：18

作者：

GHARDASHKHANI, S ^{[1
]}

COOPER, DA ^{[1
]}

机构：

[1] GOTHENBURG UNIV,S-41296 GOTHENBURG,SWEDEN

来源：

THERMOCHIMICA ACTA | 1990年 / 161卷 / 02期

关键词：

D O I：

10.1016/0040-6031(90)80314-O

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The reaction between sulfur dioxide and calcium oxide, pertaining to atmospheric fluidized bed combustion, was investigated using thermogravimetric analysis, IR spectroscopy and X-ray powder diffraction, at 600-900 °C and with SO2 concentrations of 0.1-0.9% in N2. The reaction was observed to have a non-zero SO2 reaction order, and in general the rate of reaction decreased with increasing temperature; CaSO4, CaSO3 and CaS were identified as reaction products, and a consecutive reaction mechanism is proposed with CaSO3 as a key intermediate. © 1990.

引用

页码：327 / 337

页数：11

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