首页> 美国政府科技报告 >Development of a Process for Recovery of Valuable Components from Complex Hydrodesulfurization Catalysts Especially Tungsten, Molybdenum, Vanadium, Nickel and Cobalt
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Development of a Process for Recovery of Valuable Components from Complex Hydrodesulfurization Catalysts Especially Tungsten, Molybdenum, Vanadium, Nickel and Cobalt

机译:开发从复杂的加氢脱硫催化剂中回收有价值组分的方法,特别是钨,钼,钒,镍和钴

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摘要

For the nonpolluting recovery of the valuable components W, Mo, Co, Ni and V from complex hydrodesulfurization catalyst residues, an economical process was developed in which the valuable elements are reduced out by carbothermal reactions in the electric arc furnace as a first process step. The metal obtained as ground, roasted, and the oxides are dissolved in a combined acid-base dissolving process. The valuable elements are separated by liquid-liquid extraction steps which make it possible to isolate the valuable materials in the desired grade of chemical purity.

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