Abstract:
A process for the oxidative dehydrogenation of an organic feedstock utilizing a catalyst comprising a Group IA or Group IIA metal/tin/phosphorus/oxygen composition is disclosed. Also disclosed is a method of reactivating a composition of a similar nature. The improved catalyst and the reactivated catalyst, both, are formed by procedures involving phosphorus deposition. The preferred metal is lithium.
Abstract:
Catalysts comprising iron, nickel or cobalt, and antimony or arsenic supported on alumina having relatively few pores smaller in diameter than 500 A and a surface area not less than 2 m2/g contributed by pores having diameters larger than about 500 A are used for selective hydrogenation of hydrocarbons.
Abstract:
In a dehydrogenation process, the feed stream is successively and continuously passed through at least two Sn/O/O catalyst beds wherein the first catalyst bed is essentially free of Group Ia and IIa metals and the remaining catalyst beds contain a substantial amount of Group Ia or IIa metal-containing materials. The reaction temperature is gradually increased as the amount of Group Ia or IIa metal is increased.
Abstract translation:在脱氢方法中,进料流连续地和连续地通过至少两个Sn / O / O催化剂床,其中第一催化剂床基本上不含Ia和IIa族金属,剩余的催化剂床含有大量的Ia 或IIa含金属材料。 当Ia或IIa族金属的量增加时,反应温度逐渐增加。
Abstract:
CATALYSTS FORMED FROM A PHOSPHORUS-CONTAINING COMPOUND SUCH AS PHOSPHORIC ACID, A TIN COMPOUND SUCH AS TIN CHLORIDE, AND AT LEAST ONE OF A GROUP I-B, II-B, OR VIII METAL OR A COMPOUND CONTAINING AT LEAST ONE OF SAID METALS ARE USED FOR OXIDATIVE DEHYDROGENATION.