Study on Reduction Unburned Carbon Contents in Low Quality Fly Ash from Vietnam

Kee-seok Kim, Jaewon Lee, Dongwon Lee, Kyongnam Min
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Abstract

According to Vietnam government establishes additional thermal power plant, processing the coal ash from power plant is urgent issue. This study targeted reducing unburned carbon contents in low quality fly ash to below 6% that according to international standards. As a result, the unburned carbon contents of low quality fly ash was high and irregular as 5.3~23.6%, and it was possible to reduce unburned cabon contents to under 6%, in case of unburned carbon contents below 9.8% ashes using air classification, in case of unburned carbon contents below 23.6% ashes using combined process composed of air classification and electrostatic separation.
降低越南低品质飞灰未燃碳含量的研究
根据越南政府建立额外的火力发电厂,处理来自发电厂的煤灰是当务之急。本研究的目标是将低质量飞灰中未燃碳含量降低到国际标准的6%以下。结果表明,低质量飞灰的未燃碳含量高且不规则,为5.3~23.6%,未燃碳含量在9.8%以下的灰采用空气分级,未燃碳含量在23.6%以下的灰采用空气分级和静电分离联合工艺,可将未燃碳含量降至6%以下。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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