2024
DOI: 10.1021/acs.energyfuels.3c03711
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Advances and Perspectives of Green and Sustainable Flotation of Low-Rank/Oxidized Coal: A Review

Ling-xiao Gao,
Xi-guang Li,
Xian-jun Lyu
et al.

Abstract: Flotation is a mature technology for the commercial processing of fine coals. However, due to the difficult flotation characteristics of low-rank/oxidized coals, conventional flotation is often inefficient, resulting in massive low-rank/oxidized coal resources not being utilized efficiently and thus going to waste. In addition, the large quantities of conventional oil collectors used to meet satisfactory flotation objectives adversely affect the environment. Under the current huge energy demand and environment… Show more

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