Method for dehydrating wet coal

F - Mech Eng,Light,Heat,Weapons – 26 – B

Patent

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Details

F26B 3/32 (2006.01) C10F 5/00 (2006.01) C10L 5/00 (2006.01) C10L 5/04 (2006.01) C10L 9/10 (2006.01) F26B 5/00 (2006.01)

Patent

CA 2265598

A process is described whereby wet coat may be dehydrated and inhibited against rehydration by immersing in a bath of molten paraffin hydrocarbon (14) for a sufficient period of time to evaporate and expel inherent water from the coat. The hydrocarbon then inhibits any rehydration period. It is also an embodiment of this invention to describe a process whereby the water expelled may be recovered for useful purposes.

On décrit un procédé permettant de déshydrater du charbon humide et d'empêcher celui-ci de se réhydrater, et consistant à immerger ce charbon dans un bain d'hydrocarbure paraffinique fondu (14), pendant une période suffisante à l'évaporation et au rejet hors du charbon, de l'eau contenue dans celui-ci. Cet hydrocarbure empêche ensuite toute réhydratation du charbon. Dans un mode de réalisation de l'invention, on décrit un procédé dans lequel on récupère, à des fins utiles, l'eau expulsée.

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