Waste Coal Fact Sheet v2 - Energy Justice
mining industry. Waste coal is called "culm" in the eastern PA anthracite region and "gob" or "boney" in the bitiminous coal mining regions (western PA, WV and elsewhere). only be economically bui Waste coal piles accumulated mostly between 1900 and 1970. The piles look like hills or small mountains that are dark and barren. Hundreds of millions of tons of waste coal and rock litter the,Characterisation of coal-mine waste in solid backfill,,Characterisation of coal-mine waste in solid backfill mining in China H. Jiang*1,2, Y. Cao1,2, P. Huang1,2, K. Fang1,2 and B. Li1,2 Recently, issues pertaining to surface disposal of coal-mine,Waste Mine Tailings Characterisation,The primary types of solid wastes generated by mining activities include overburden and waste rock from surface mining, waste rock from underground mining, bulk tailings from the milling of metal ores and non-metal minerals, and refuse from coal preparation-plant processes.