초록 ▼

A process for hydrogenating unsaturations in petrochemical feedstocks, the process comprising contacting the petrochemical feedstock, including at least one component having unsaturations, and hydrogen with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, VIIb or VIII metal on a support of

A process for hydrogenating unsaturations in petrochemical feedstocks, the process comprising contacting the petrochemical feedstock, including at least one component having unsaturations, and hydrogen with a catalyst comprising at least one Group Ia, Ib, IIb, VIb, VIIb or VIII metal on a support of a crystalline calcium silicate having a surface area of at least 30 m2/g, the support being in the form of substantially spherical particles having a mean diameter of from 10 to 200 microns and pores in the particles having a diameter of from 100 to 2000 Angstroms, at a temperature of from 0 to 550째 C. and a pressure of from 3 to 150 barg.

대표청구항 ▼

The invention claimed is: 1. A catalyst comprising at least one Group Ia, Ib, IIb, VIb, VIb or VIII metal impregnated on a crystalline calcium silicate support having a surface area of at least 30 m2/g, the support being in the form of substantially spherical particles comprising pores in the parti

The invention claimed is: 1. A catalyst comprising at least one Group Ia, Ib, IIb, VIb, VIb or VIII metal impregnated on a crystalline calcium silicate support having a surface area of at least 30 m2/g, the support being in the form of substantially spherical particles comprising pores in the particles having a diameter of from 100 to 2000 Angstroms. 2. A catalyst according to claim 1 wherein the calcium silicate has the chemical composition Ca6Si6O17(OH)2. 3. A catalyst according to claim 2 wherein the support has a basicity corresponding to a pH of greater than 7.5. 4. A catalyst comprising at least one Group Ia, Ib, IIb, VIb, VIb or VIII metal on a crystalline calcium silicate support having a surface area of at least 30m2/g, the support being in the form of substantially spherical particles comprising pores in the particles having a diameter or from 100 to 2000 Angstroms, wherein the calcium silicate has the chemical composition Ca6Si6O17(OH)2 wherein the support has a basicity corresponding to a pH of greater than 7.5, and wherein the metal comprise palladium impregnated onto the support in an amount of from 0.01 to 101 wt. % based on a weight of the supported catalyst. 5. A catalyst comprising a metal impregnated on a support comprising a crystalline calcium silicate having a molecular formula 6CaO.6SiO2.H2O, a surface area of at least 30 m2/g, the support being in the form of substantially spherical particles having a mean diameter of from 10 to 200 microns and having pores in the particles with a diameter of from 100 to 2000 Angstroms. 6. A catalyst according to claim 5 wherein the metal comprises at least one metal selected from Groups Ia, Ib, IIb, VIb, VIIb and VIII of the periodic table.