Patent ID: 8906224

Claim:
A method for producing a lube basestock, comprising: providing a process train including a first catalyst that is a hydroprocessing catalyst, and a second catalyst that is a dewaxing catalyst, wherein the dewaxing catalyst includes at least one non-dealuminated, unidimensional 10-member ring pore zeolite and at least one Group VIII metal; processing a first feedstock in the process train at first hydroprocessing conditions and first catalytic dewaxing conditions to produce a lube basestock having a pour point less than −15° C. and a total liquid product 700° +F. (371° C.) yield of at least 75 wt %, the first catalytic dewaxing conditions including a temperature of 400° C. or less, the first feedstock having a first sulfur content when exposed to the dewaxing catalyst of 1000 wppm or less on a total sulfur basis; processing a second feedstock in the same process train at second hydroprocessing conditions and second catalytic dewaxing conditions, the second feedstock having a sulfur content when exposed to the dewaxing catalyst of greater than 1000 wppm on a total sulfur basis, to produce a second lube basestock having a pour point less than −15° C. and a total liquid product yield of at least 75 wt %, wherein the second catalytic dewaxing conditions include a temperature of 400° C. or less with the second catalytic dewaxing temperature being from 20 to 50° C. greater than the first catalytic dewaxing temperature, wherein the dewaxing catalyst comprises includes at least one low surface area metal oxide refractory binder having a surface area of 100 m 2 /g or less, the dewaxing catalyst further comprising a micropore surface area to total surface area of greater than or equal to 25%, the micropore surface area being the surface area from the pores of the zeolite, the total surface area being equal to the surface area of the external zeolite plus the surface area of a binder, and wherein the processing of the first feedstock and the processing of the second feedstock are alternated in any sequence as a function of time.