Dec 1, 2019 · Coal gangue, a solid waste generated during coal mining and washing, accounts for approximately 10%–15% of the total coal production. The accumulative amount of coal …

In mining, gangue (/ ɡ æ ŋ /) [1] is the commercially worthless material that surrounds, or is closely mixed with, a wanted mineral in an ore deposit.

Feb 19, 2025 · Coal gangue, a bulk solid waste generated in coal mining, is likewise a nonrenewable mineral resource, the long-term storage of coal gangue damages the ecological …

Jan 20, 2025 · Coal gangue, as a major by-product associated with coal, accounts for 40% of the total volume of industrial solid waste. Its comprehensive utilization and supply side structural …

Feb 1, 2024 · Based on the source and distribution of coal gangue (CG) in China, this study introduces the current situation of CG storage in China and the problems existing in the …

Apr 6, 2022 · Among coal mining-related wastes, coal gangue (CG) is the heterogeneous waste generated during the mineral processing or coal washing phase of coal mining. A thorough …

May 25, 2023 · The treatment and utilization of coal gangue, one of the main solid wastes produced during coal mining, are of great significance in environmental protection and …

Jun 4, 2024 · Coal gangue is a kind of black-gray rock with lower carbon content and harder than coal in the process of coal formation. It is produced in the process of coal bed deposition in the …

Jan 18, 2024 · Coal gangue refers to the waste or by-product produced when coal is extracted from coal mines. These wastes usually include coal gangue (without valuable crushed coal …

Aug 31, 2023 · Coal gangue has become a significant industrial solid waste because it pollutes the environment and is prone to spontaneous combustion. Recycling is the way of the future. …