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公开(公告)号:US4424062A
公开(公告)日:1984-01-03
申请号:US356337
申请日:1982-03-09
IPC分类号: C10L9/02
CPC分类号: C10L9/02
摘要: Finely divided ash-containing coal is immersed in an aqueous solution of hydrochloric acid or citric acid, and acidic ammonium fluoride to cause the ash to react with the acid and the acidic ammonium fluoride, and the deashed coal is thereafter separated from the solution.
摘要翻译: 将细碎的含灰煤浸入盐酸或柠檬酸的水溶液中,并加入酸性氟化铵使灰分与酸和酸性氟化铵反应,然后将该脱除的煤与溶液分离。