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Method of refining wax
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Filtering device
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Method of treating sugarcontaining solutions
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Siliceous magnesium-containing purifying medium and process of producing it
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Method of preparing an activated magnesium oxide
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Clarifier
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Filtering means
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Method of refining sugar and the like
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Filtering means
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Apparatus for heating and treating subdivided carbonaceous material and the like
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Method of treating liquids
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Means for treating liquids
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Filtering element
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Electric furnace
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Method of treating carbonaceous material in an electric furnace or the like
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Electric furnace product
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Process for the treatment of comminuted carbonaceous material and the like in electric furnaces and the like
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Electric furnace for the treatment of comminuted material
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Prefiltering means
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Filtering method and means
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