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利用电解-化学试剂还原法对高硫煤进行浮选脱硫(英文) 被引量:2

Enhancing desulfurization from coal in flotation by electrolysis-chemical reagent reduction in aqueous NaCl solution
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摘要 通过正交试验,确定了利用电解-化学试剂还原法从高硫煤中浮选脱硫的适宜条件。分析结果表明,经过电解还原浮选煤中的黄铁矿被还原成FeS和S2 -,煤的发热量增加,灰分减少。 A number of methods available for desulphurization include physical method, chemical method, biological method, ultrasonic method, microbial method and so on. Physical method is economical mostly. However, it only removes inorganic sulfur. Biological and chemical methods can remove either inorganic sulfur or organic sulfur. But their expenses are very high and there is a certain discrepancy between theory and practice. Searching efficient, economical and cleaning methods for desulphurization has drawn wide attention.
出处 《燃料化学学报》 EI CAS CSCD 北大核心 2008年第1期108-110,共3页 Journal of Fuel Chemistry and Technology
关键词 脱硫 电化学还原 浮选 coal desulfurization electrolysis-chemical reagent reduction flotation
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