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Therefore, it is very urgent to develop a clean and efficient fuel to substitute rural household coal controlling SO2 emission. In this paper, a new strategy toward scattered coal combustion with remarkably reducing SO2 emission was proposed. Coal and compound additive of Al2O3 and CaCO3 were blended and then copyrolysis at 1050 \u00b0C was performed to produce clean coke. First, the sulfur content of clean coke was reduced, meanwhile, generating sulfur fixation precursor during pyrolysis. Then, clean coke is used for efficient sulfur fixation during the subsequent combustion process to reduce SO2 emissions. The effects of combustion temperature, Al\/S molar ratio, and the mechanism of sulfur retention during clean coke combustion were studied in the tube furnace and muffle furnace. The mechanism can be attributed the following reason: (a) CaS produced during pyrolysis and CaO decomposed by complex additives were oxidized during combustion, and CaO captured the SO2 released from clean coke combustion, which formed CaSO4. (b) CaSO4 reacts with Al2O3 to produce calcium sulfoaluminate at high temperatures, which improves the sulfur fixation efficiency of clean coke combustion at high temperatures. In a word, this new strategy can greatly reduce the emission of SO2, thus helping to solve rural household coal pollution problems.<\/jats:p>","DOI":"10.1021\/acsomega.9b04293","type":"journal-article","created":{"date-parts":[[2020,2,6]],"date-time":"2020-02-06T15:27:52Z","timestamp":1581002872000},"page":"3047-3054","source":"Crossref","is-referenced-by-count":23,"title":["New Strategy toward Household Coal Combustion by Remarkably\nReducing SO2 Emission"],"prefix":"10.1021","volume":"5","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6549-6938","authenticated-orcid":true,"given":"Kaixia","family":"Zhang","sequence":"first","affiliation":[{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030024"]},{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Song","family":"Yang","sequence":"additional","affiliation":[{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030024"]},{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shoujun","family":"Liu","sequence":"additional","affiliation":[{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030024"]},{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ju","family":"Shangguan","sequence":"additional","affiliation":[{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030024"]},{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenguang","family":"Du","sequence":"additional","affiliation":[{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030024"]},{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6802-0548","authenticated-orcid":true,"given":"Zhao","family":"Wang","sequence":"additional","affiliation":[{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030024"]},{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030000"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhiwei","family":"Chang","sequence":"additional","affiliation":[{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030024"]},{"name":"Taiyuan University of Technology , , , ,","place":["Taiyuan, Shanxi, China, 030000"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"316","published-online":{"date-parts":[[2020,2,6]]},"reference":[{"key":"2026090210212118600_cit1","doi-asserted-by":"publisher","first-page":"7924","DOI":"10.1016\/j.atmosenv.2008.07.004","article-title":"Abatement of indoor air pollution\nachieved with coal-biomass household briquettes","volume":"42","author":"Yamada","year":"2008","journal-title":"Atmos. 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