DRY COAL CLEANING PROCESS FOR HIGH-QUALITY COAL
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概要
- 論文の詳細を見る
In this study, a dry coal cleaning process was developed for cleaning fine and ultrafine coal to obtain a high-quality coal. The design criterion was determined, and the operational conditions were formulated. In addition, the deash and desulfurization performances for this process were examined.A classification column was used for fine coal down to 45 microns, and a centrifugal classifier was also used for cleaning ultrafine coal particles of less than 38 microns. Some species of coal were cleaned into a high-quality coal that contained less than 1% ash content by the fluidized classification column. For finely ground coal, ash was concentrated in the ultrafine coal fraction. Pyritic sulfur was also removed to some extent in this process for fine coal particles. For most coals, the ash content could be reduced by half and the thermal recovery was up to 90%. The method of comminution was also found to play an important role in the coal cleaning process.
- 社団法人 化学工学会の論文
- 1996-04-20
著者
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Takahashi Teruo
Department Of Organic And Polymeric Materials Tokyo Institute Of Technology
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TANAKA ZENNOSUKE
Department of Applied Chemistry, Okayama University
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Sato Hiroshi
Department Of Anatomy And Developmental Neurobiology Institute Of Health Biosciences The University
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Kawai Masayuki
Department Of Applied Chemistry Okayama University
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OKADA Kiyonobu
Department of Applied Chemistry, Okayama University
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Okada K
Department Of Applied Chemistry Okayama University
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Tanaka Zennosuke
Department Of Applied Chemistry Okayama University
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Takahashi Teruo
Department Of Applied Chemistry Faculty Of Science Science University Of Tokyo
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Takahashi Teruo
Department Of Applied Chemistry Okayama University
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SATO Hiroshi
Department of Applied Chemistry, Okayama University
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