国内外燃煤脱硫技术的研究进展

Research Development of Desulfuration for Coal at Home and Abroad

燃煤脱硫技术包括燃前脱硫、燃中脱硫和燃后脱硫,其中,燃前脱硫技术以其较低的成本得到了广泛的应用。燃前脱硫技术中物理法不能脱出有机硫,化学法脱硫会产生大量废液对环境的影响较大,所以,生物法脱硫工艺得到了广泛关注,其技术条件温和,投资成本低,设备简单,脱硫率高,是国内外燃煤脱硫技术的发展方向。

The desulfuration technology for coal consists of desulfuration of coal before combustion, during combustion and after combustion. Because of its low cost,desufuration before comhustion has been widely used. In the before combustion, the physics method can not emerge the organic sulfur and the chemical method will influence the environment dur to the large number of waste liquid. Because of the mild technical conditions, the low investment cost, the simple equipment, and the high desulphurization rate, the biological method has got widespread concern and become the development direction at home and abroad.