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NOx and SO2 emissions from municipal solid waste (MSW) combustion in CO2/O-2 atmosphere
Tang, Yuting1; Ma, Xiaoqian; Lai, Zhiyi; Zhou, Daoxi; Lin, Hai; Chen, Yong2
2012-04-01
Source PublicationENERGY
Volume40Issue:1Pages:300-306
Abstract

The NOx and SO2 emissions from MSW combustion in CO2/O-2 atmosphere were studied using a lab-scale electrically heated tube furnace. The shape, peaks location, and peaks values of NOx concentration curves all changed with temperature. In comparison, regarding these three characteristics of SO2 concentration curves, only peaks values were affected by temperature. The shape and peaks location of NOx and SO2 concentration curves changed with atmosphere indistinctively, but their peaks values, maximal average emissions, and the corresponding temperature were affected by atmosphere. Replacement of N-2 by CO2 reduced NOx emission when the temperature was higher than or equal to 800 degrees C, but reduced SO2 emission when the temperature was lower than 1000 degrees C. At 1000 degrees C, some improvement measures, such as adding appropriate sorbents, were required in 80CO(2)/20O(2) to achieve removal characteristics of SO2 and NOx simultaneously. The maximal desulphurization efficiency of CaO in 80CO(2)/20O(2) atmosphere (34.4% at 800 degrees C) or limestone in 80N(2)/20O(2) atmosphere (23.4% at 900 degrees C) was lower than that of limestone in 80CO(2)/20O(2) atmosphere (43.3% at 1000 degrees C), indicating that direct sulfation in 80CO(2)/20O(2) atmosphere was favourable for high desulphurization degree and consequently enabled better sorbent utilization. Besides, to obtain higher desulphurization efficiency at high temperature. Ca/S ratio should be increased. (C) 2012 Elsevier Ltd. All rights reserved.

SubtypeArticle
KeywordMunicipal Solid Waste Co2/o-2 Atmosphere Gases Emission Desulphurization Efficiency
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.energy.2012.01.070
WOS Subject ExtendedThermodynamics ; Energy & Fuels
WOS KeywordO-2/CO2 COAL COMBUSTION ; FIRED POWER-PLANT ; CALCIUM-CARBONATE ; GASEOUS EMISSIONS ; DIRECT SULFATION ; SULFUR-DIOXIDE ; CO2 ; REDUCTION ; LIMESTONE ; MODEL
Indexed BySCI
Language英语
WOS SubjectThermodynamics ; Energy & Fuels
WOS IDWOS:000303146000029
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10147
Collection中国科学院广州能源研究所
Affiliation1.S China Univ Technol, Sch Elect Power, Elect Power Coll, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Peoples R China
Recommended Citation
GB/T 7714
Tang, Yuting,Ma, Xiaoqian,Lai, Zhiyi,et al. NOx and SO2 emissions from municipal solid waste (MSW) combustion in CO2/O-2 atmosphere[J]. ENERGY,2012,40(1):300-306.
APA Tang, Yuting,Ma, Xiaoqian,Lai, Zhiyi,Zhou, Daoxi,Lin, Hai,&Chen, Yong.(2012).NOx and SO2 emissions from municipal solid waste (MSW) combustion in CO2/O-2 atmosphere.ENERGY,40(1),300-306.
MLA Tang, Yuting,et al."NOx and SO2 emissions from municipal solid waste (MSW) combustion in CO2/O-2 atmosphere".ENERGY 40.1(2012):300-306.
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