Patent application number | Description | Published |
20110196184 | Support Properties of Silica Supported Catalysts and Their Use in Olefin Metathesis - Silica supports having a surface area from about 250 m | 08-11-2011 |
20110196185 | Acid Washed Silica Supported Catalysts and Their Use in Olefin Metathesis - Acid washing of silica supports, used for supported tungsten catalysts, improves the activity of the resulting catalyst (i.e., its conversion level at a given temperature) for the metathesis of olefins, without compromising its selectivity to the desired conversion product(s). Exemplary catalysts and processes include those for the production of valuable light olefins such as propylene from a hydrocarbon feedstock comprising ethylene and butylene. | 08-11-2011 |
20120017495 | METHODS FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OILS - Methods for deoxygenating treated biomass-derived pyrolysis oil are provided. The treated biomass-derived pyrolysis oil is exposed to a catalyst having a neutral catalyst support such as a non-alumina metal oxide support, a theta alumina support, or both. The non-alumina metal oxide support may be a titanium oxide (TiO | 01-26-2012 |
20120264990 | OLEFIN METATHESIS PROCESS USING A TREATED TUNGSTEN OXIDE CATALYST - A process for olefin metathesis is disclosed. The process involves contacting a feedstock comprising a first olefin and a second olefin having a carbon number at least two greater than that of the first olefin with a catalyst comprising a tungsten component on a refractory oxide support, e.g. silica at metathesis conditions to provide a product olefin having an intermediate carbon number between that of the first and second olefin. The catalyst is characterized in that it is first pretreated with hydrogen followed by treatment with ethylene. | 10-18-2012 |
20120283090 | Support Properties of Silica Supported Catalysts and Their Use in Olefin Metathesis - Silica supports having a surface area from about 250 m | 11-08-2012 |
20120305836 | METHODS AND CATALYSTS FOR DEOXYGENATING BIOMASS-DERIVED PYROLYSIS OIL - Embodiments of methods and catalysts for deoxygenating a biomass-derived pyrolysis oil are provided. The method comprises the step of contacting the biomass-derived pyrolysis oil with a first deoxygenating catalyst in the presence of hydrogen at first predetermined hydroprocessing conditions to form a first low-oxygen biomass-derived pyrolysis oil effluent. The first deoxygenating catalyst comprises a neutral catalyst support, nickel, cobalt, and molybdenum. The first deoxygenating catalyst comprises nickel in an amount calculated as an oxide of from about 0.1 to about 1.5 wt. %. | 12-06-2012 |