Patent application number | Description | Published |
20100076236 | PROCESS FOR PRODUCING PARAFFINIC HYDROCARBONS - Process for producing paraffinic hydrocarbons, the process comprising the following steps: (a) contacting hydrogen and a feedstock comprising triglycerides, diglycerides, monoglycerides and/or fatty acids with a hydrogenation catalyst under hydro-deoxygenation conditions; and (b) contacting the whole effluent of step (a) with a hydroprocessing catalyst comprising sulphided Ni and sulphided W or Mo as hydrogenation components on a carrier comprising amorphous silica-alumina and/or a zeolitic compound under hydro-isomerisation conditions. | 03-25-2010 |
20110000822 | METHOD FOR THE START-UP OF A CATALYTIC PROCESS - The present invention relates to a process for starting up a hydrotreating process using a bulk metal catalyst, said process comprising the steps of: i) providing a hydrocarbon feed stream containing less than 100 ppmw nitrogen-containing species; ii) adding a nitrogen-containing compound to said hydrocarbon feed stream; and iii) contacting the resultant feed stream with the bulk metal catalyst in the presence of hydrogen and a sulfur-containing species. The present invention also relates to a process for hydrotreating a hydrocarbon feedstock, said process comprising the steps of: i) providing a hydrocarbon feed stream containing less than 100 ppmw nitrogen-containing species; ii) adding a nitrogen-containing compound to said hydrocarbon feed stream; iii) contacting the resultant feed stream with a bulk metal catalyst in the presence of hydrogen and a sulfur-containing species; and iv) subsequently contacting the resultant bulk metal catalyst with the hydrocarbon feedstock in the presence of hydrogen. | 01-06-2011 |
20130153463 | TITANIA-BOUND ZSM-12 ZEOLITE COMPOSITION AND METHOD OF MAKING AND USING SUCH COMPOSITION - Presented is a composition useful in the catalytic dewaxing of a waxy hydrocarbon feedstock. The composition includes a mixture of ZSM-12 zeolite and titania and may further include a noble metal. The ZSM-12 zeolite preferably has a high silica-to-alumina ratio within its framework. The mixture may be dealuminated either by acid leaching using a fluorosilicate salt or by steam treating. | 06-20-2013 |
20130220887 | TITANIA-BOUND ZEOLITE EU-2 COMPOSITION AND METHOD OF MAKING AND USING SUCH COMPOSITION - Catalyst composition useful in the catalytic dewaxing of a waxy hydrocarbon feedstock which catalyst composition includes a mixture of zeolite EU-2 and titania and may further include a noble metal. The zeolite EU-2 has a molar bulk ratio of silica-to-alumina (SAR) of greater than 100:1. The zeolite or mixture may have been dealuminated such as by acid leaching using a fluorosilicate salt or by steam treating. | 08-29-2013 |
20140209506 | HYDROCARBON CONVERSION CATALYST COMPOSITION - A hydrocarbon conversion catalyst composition which comprises dealuminated ZSM-48 and/or EU-2 zeolite and a refractory oxide binder essentially free of alumina, processes for preparing such composition and processes for converting hydrocarbon feedstock with the help of such compositions. | 07-31-2014 |
20150184089 | PROCESS TO PREPARE MIDDLE DISTILLATES AND BASE OILS - A process to prepare a first middle distillates fraction, a second middle distillates fraction, a distillate base oil and a residual base oil by providing a Fischer-Tropsch product stream; separating the Fischer-Tropsch product stream to obtain at least a low boiling fraction, boiling below a temperature ranging from 300 to 450° C., and a high boiling fraction, boiling above a temperature ranging from 300 to 450° C.; subjecting the high boiling fraction to a hydrocracking/hydroisomerization step to obtain a partially isomerised product stream; separating the partially isomerised product stream to obtain a first middle distillates fraction, a heavy distillates fraction and a residual fraction, the residual fraction having a T5 wt. % boiling point between 400 and 650° C.; dewaxing the low boiling fraction to obtain a second middle distillates fraction; dewaxing the heavy distillates fraction to obtain a distillate base oil; and dewaxing the residual fraction to obtain a residual base oil. | 07-02-2015 |
20150203769 | PROCESS TO PREPARE MIDDLE DISTILLATES AND BASE OILS - A process to prepare a first middle distillates fraction, a second middle distillates fraction and one or more base oils, the process comprising the steps of providing a Fischer-Tropsch product stream; separating the Fischer-Tropsch product stream to obtain at least a low boiling fraction, boiling below a temperature in the range of from 300 to 450° C., and a high boiling fraction, boiling above a temperature in the range of from 300 to 450° C.; subjecting the high boiling fraction to a hydrocracking/hydroisomerization step to obtain an at least partially isomerised product stream; separating the partially isomerised product stream to obtain a first middle distillates fraction and a residual fraction, wherein the residual fraction has a T10 wt. % boiling point of between 200 and 450° C.; dewaxing the low boiling fraction to obtain a second middle distillates fraction; and dewaxing the residual fraction to obtain one or more base oils. | 07-23-2015 |
20150209772 | PROCESS FOR PREPARING HYDROCRACKING CATALYST - Process for preparing a sulphided hydrocracking catalyst comprising the steps of (a) treating an amorphous silica alumina carrier with one or more Group VIB metal components, one or more Group VIII metal components and a C | 07-30-2015 |