摘要
本文综述了煤的净化技术的提出背景,以及目前世界各国对煤的化学净化方法的研究状况.介绍了制取净化煤和超净化煤的酸一碱法、氟酸法和氧化法,以及这些方法的工艺过程及脱灰效果.通过与燃料油和液化煤相对比,讨论了化学法净化煤的经济性和它的发展应用的条件与前景。
In this Paper, the background of coal cleaning technigues and the latest dt development of researches on chemical cleaning of coal arec surveyed Several chemical deashing processes, methods, and effects are introduced The application foreground and economic conditions of these processes are discussed in comparison with the costs of fuel oil, coal liquids and clean coal
基金
国家自然科学基金资助
关键词
煤
净化
化学净化
酸碱处理法
coal cleaning
chemical cleaning coal
super clean coal