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DE743994C
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Method and apparatus for cooling and crushing molten calcium carbide
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Catalyst with a multiple layer of platinum metal wire mesh for ammonia oxidation
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Process for the production of condensation products from cyanamide and formaldehyde
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DE753623C
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Process for the production of neutral aminoguanidine sulfate
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Process for the production of aminoguanidine bicarbonate
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Process for the production of calcium cyanamide from calcium carbide
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Process for the purification of acetylene or acetylene mixtures from phosphorus, sulfur and ammonia impurities
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Method and apparatus for dividing and cooling molten alkaline earth metal carbide
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Electric tapping furnace
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Process for the production of pure, liquid ammonia from calcium cyanamide
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Drum developer for the continuous production of acetylene from alkaline earth carbides while obtaining dry hydrates
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Process for the glow digestion of rock phosphates
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Develops for rapid gasification of agitated carbide with the production of dry hydrate
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Method and device for processing molten reactive masses
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Process and device for the digestion of coarse or lumpy rock phosphates in the presence of steam in a rotary kiln
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Process for the production of condensation products from cyanamide and formaldehyde
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Process for the production of solid, anhydrous alkaline earth oxide moldings from alkaline earth hydrates
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Process for the production of a grained fertilizer from the sludge produced during the processing of calcium cyanamide
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DE708199C
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Process for foam floating processing of lignite u. like in sour truebe
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DE732401C
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Process and apparatus for producing acetylene from crude alkaline earth cyanamides
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