Oxy-fuel circulating fluidized bed combustion in a small pilot-scale test rig

被引：118

作者：

Czakiert, T. ^{[1
]}

Sztekler, K. ^{[1
,2
]}

Karski, S. ^{[1
]}

Markiewicz, D. ^{[1
,2
]}

Nowak, W. ^{[1
]}

机构：

[1] Czestochowa Tech Univ, Fac Environm Protect & Engn, PL-42200 Czestochowa, Poland

[2] Foster Wheeler Energia Polska Sp Zoo, PL-41200 Sosnowiec, Poland

来源：

FUEL PROCESSING TECHNOLOGY | 2010年 / 91卷 / 11期

关键词：

Oxy-combustion; CFB; Coal; Pilot-scale; CONVERSION; EMISSIONS; BOILERS; COAL; NOX;

D O I：

10.1016/j.fuproc.2010.06.010

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Coal combustion under the elevated partial pressure of oxygen in a circulating fluidized bed environment was investigated. The fuel used was bituminous coal. The concentration of oxygen in the air was increased to 35% per volume. Excess oxygen ranged from 11 to 1.3 and the temperature ranged from ca. 1073 K to 1273 K. A 0.1 MW(th) CFB combustor was adapted for oxy-combustion. The conversion ratios respectively studied were: carbon, sulfur and nitrogen to CO, SO(2) and NO(x). An increase of nitrogen and sulfur conversion ratios and a strong decrease of incomplete combustion losses were found under the oxygen-enriched conditions. Moreover, a strong increase in temperature was noticed during oxy-combustion. (c) 2010 Elsevier B.V. All rights reserved.

引用

页码：1617 / 1623

页数：7

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