coal chemistry coal processing and coal utilization

From

Structure of coal and coal hydrogenation process 1101 Structure of coal and coal extracts Coal may be presumed to consist of structural units which are aromatic

COAL PPT authorSTREAM

Coal Presentation Outline Coal Presentation Outline Geology Chemistry Formation Rank Grade Geography United States Pennsylvania Extraction Procedures Surface

Coal

Coal Coal is defined as a sedimentary rock composed predominantly of solid organic materials with a greater or lesser proportion of mineral matter