초록 ▼

The present invention concerns a hydrorefining and/or hydrocracking catalyst for hydrocarbon feeds, comprising at least one mixed sulphide comprising sulphur, at least one group VB element, preferably niobium, and at least one group VIB element, preferably molybdenum or tungsten, more preferably mol

The present invention concerns a hydrorefining and/or hydrocracking catalyst for hydrocarbon feeds, comprising at least one mixed sulphide comprising sulphur, at least one group VB element, preferably niobium, and at least one group VIB element, preferably molybdenum or tungsten, more preferably molybdenum, optionally combined with a support and/or at least one group VIIA metal and/or at least one group VIII metal and/or an element selected from the group formed by S, P, B, Si.

대표청구항 ▼

[ What is claimed is:] [1.] A catalyst comprising at least one crystalline mixed single phase sulphide of the following approximate general formula:A.sub.x B.sub.1-x S.sub.y re:x is a number in the range 0.001 to 0.999;y is a number in the range 0.1 to 8;A is a group VB element;B is an element selec

[ What is claimed is:] [1.] A catalyst comprising at least one crystalline mixed single phase sulphide of the following approximate general formula:A.sub.x B.sub.1-x S.sub.y re:x is a number in the range 0.001 to 0.999;y is a number in the range 0.1 to 8;A is a group VB element;B is an element selected from group VIB. [37.] In a process comprising catalytically hydrorefining or hydrocracking hydrocarbon feeds, at a temperature of more than 200.degree. C., a pressure of more than 0.1 Mpa, in the presence of hydrogen with a recycle ratio of at least 80 litres of hydrogen per litre of feed and at an hourly space velocity which is in the range 0.1 to 20 h.sup.-1, the improvement wherein the catalyst is in accordance with claim 18.