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Haber process
(Encyclopedia) Haber processHaber processhäˈbər [key], commercial process for the synthesis of ammonia, NH3. Pure hydrogen and nitrogen gases are mixed in the appropriate proportion, heated to…Mond process
(Encyclopedia) Mond process: see under Mond, Ludwig.Parkes process
(Encyclopedia) Parkes process: see silver.contact process
(Encyclopedia) contact process: see sulfuric acid.cyanamide process
(Encyclopedia) cyanamide process: see ammonia.cyanide process
(Encyclopedia) cyanide process or cyanidation, method for extracting gold from its ore. The ore is first finely ground and may be concentrated by flotation; if it contains certain impurities, it may…Frasch process
(Encyclopedia) Frasch processFrasch processfräsh [key] [for Herman Frasch, the German-American chemist who devised it], process for the extraction of sulfur from subsurface deposits. Three pipes, one…flotation process
(Encyclopedia) flotation process, in mineral treatment and mining, process for concentrating the metal-bearing mineral in an ore. Crude ore is ground to a fine powder and mixed with water, frothing…Bessemer process
(Encyclopedia) CE5 Bessemer converter Bessemer processBessemer processbĕsˈəmər [key] [for Sir Henry Bessemer], industrial process for the manufacture of steel from molten pig iron. The principle…viscose process
(Encyclopedia) viscose processviscose processvĭsˈkōs [key], method widely used for the commercial preparation of rayon. Cellulose, prepared from either wood pulp or, less commonly, cotton linters, is…Trending
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