摘要
论述了酸碱脱灰制备超低灰煤的原理及脱灰后酸、碱滤液的回收与循环使用的方法。
The principle of preparation of low-ash coal by deashing with acid & alkali and the recycling of litered liquik of acid & alkali after deashing as well as the reusage are demonstrated.
出处
《河北煤炭》
2000年第2期31-32,共2页
Hebei Coal
关键词
酸碱脱灰法
超低灰煤
制备
滤液
ultra low-ash coal, acid & alkali, filtered liquid, reusage