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Processing of ferrophosphorus

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专利汇可以提供Processing of ferrophosphorus专利检索,专利查询,专利分析的服务。并且Ferrophosphorus is heated in admixture and excess aluminum to convert the phosphorus therein to aluminum phosphide. The aluminum phosphide is hydrolyzed and an alloy comprising the nonphosphorus constituents of the ferrophosphorus and unreacted aluminum is separated from the hydrolysis products. The alloy of non-phosphorus constituents and aluminum is useful in the metallurgical industry and the phosphine obtained during the hydrolysis reaction has well-known utility as a chemical intermediate, for example, in preparing gasoline additives such as tributyl phosphine.,下面是Processing of ferrophosphorus专利的具体信息内容。

  • 2. The method of claim 1 wherein the mixture of aluminum and ferrophosphorus is heated to a temperature at least sufficient to render substantially the entire mixture molten.
  • 3. The method of claim 2 wherein the aluminum admixed with the ferrophosphorus exceeds that stoichiometrically required for conversion of the phosphorus in said ferrophosphorus to aluminum phosphide at 35 percent by weight of the nonphosphorus constituents of said ferrophosphorus.
  • 4. The method of claim 3 further comprising the step of separating the nonphosphorus constituents of said ferrophosphorus and unreacted aluminum from the hydrolysis products.
  • 5. The method of claim 4 further comprising the step of coalescing the nonphosphorus constituents Of said ferrophosphorus by melting said constituents in the presence of a flux.
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