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在流化床内热处理的方法与装置
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Process for making an anhydrous alumina product consisting principally of alpha alumina from alumina hydrate
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Production of alumina from aluminum hydroxide
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Process and apparatus for continuously heating fine-grained coal
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Method for producing anhydrous alumina
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Способ и установка для производства оксида металла из соединений металла
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Production of anhydrous alumina
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Method for heat treatment of lyes and sludges
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Method and apparatus for calcining gypsum in two stages
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Defluorinating phosphatic material
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Process and apparatus for continuous calcination of gypsum and the like
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Apparatus for the treatment of finely divided fluidizable solid material
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Apparat til braending af cementklinker
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Method and apparatus for producing anhydrous alumina
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Clay calcining process
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