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DE696532C
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Process for lightening and improving the odor of brown coal and shale oils
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DE695474C
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Process for lightening and improving the odor of brown coal and shale oils
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DE632216C
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Process for dewatering mixtures of alcohols, benzene and / or gasoline and high-boiling oils by distillation
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DE633198C
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Process for increasing the burning rate of lignite or peat compacts
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DE647671C
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Process for the production of easily wettable black colors
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DE571698C
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Process and roller press for pressing briquettes from coal, coke or bituminous materials with or without foreign binders
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DE549451C
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Process for the production of lubricating oils
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DE584707C
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Process for processing smoldering tar and generator tar
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DE561307C
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Process for the production of brown coal and peat coarse coke
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DE568315C
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Process for discharging glowing coke from the furnace into the degassing chamber of Reich gas generators
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DE540982C
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Device for operating Schweloefen System Rolle
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DE549554C
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Process for the continuous operation of rich gas generators
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DE513596C
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Process and device for smoldering bituminous substances
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DE514570C
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Process for the production of elemental sulfur from gases containing hydrogen sulfide
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DE615011C
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Process for rapid degassing and de-taring of bituminous raw materials in moving rotating devices with external heating
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DE564870C
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Process and device for the uninterrupted generation of water gas from fine-grained, powdery or dusty fuels
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DE495372C
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Process for the hot blowing of water gas and double gas generators
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DE523898C
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Process for the production of practically anhydrous, non-self-igniting green coke
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DE477159C
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Removal of carbon dioxide from gas mixtures
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DE473770C
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Production of hydrogen and sulfur from iron sulfides
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