Ramdani, Ihsan; Pulungan, Linda; Umar, Datin Fatia
(Pusat Penerbitan Universitas Islam Bandung, 2018-08)
The quality of coal in indonesia often in the form of coal of inferior rank such as lignite (brown coal) which having high water content, low calories, and high self-combustion level. To increasing low rank coal usage, be ...