PROCESS FOR PREPARING DEASHED HIGH-CONCENTRATION SLURRY

PURPOSE:To effectively utilize water and to recover fine coal, thus economically obtaining the titled slurry, by utilizing specified waste water as feed water for wet pulverization and as concn.-adjusting water for flotation to carry out coarse coal classification in combination with fine coal flota...

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Bibliographische Detailangaben
Hauptverfasser:	KIMURA NAOKAZU, ITO HIDEAKI, OGAWA TAKAYUKI, AOKI KAORU, KUWABARA TAKASHI, SHINANO KUNIZO
Format:	Patent
Sprache:	eng
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMISTRY FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS PEAT PETROLEUM, GAS OR COKE INDUSTRIES SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE
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Beschreibung
Zusammenfassung:	PURPOSE:To effectively utilize water and to recover fine coal, thus economically obtaining the titled slurry, by utilizing specified waste water as feed water for wet pulverization and as concn.-adjusting water for flotation to carry out coarse coal classification in combination with fine coal flotation. CONSTITUTION:Feed coal 11 crushed to a particle size =60%, having a desired particla size in a wet pulverizer 9. Waste water from the dehydrator 3 is also utilized as feed water to the pulverizer 5 and flotation means 6.