B01J35/77

Beta zeolite and method for producing same

The present invention provides a beta zeolite that is useful as a catalyst, adsorbent agent, or the like, and that is both microporous and mesoporous. The beta zeolite is characterized by (i) the SiO.sub.2/Al.sub.2O.sub.3 ratio being 8-30, and the SiO.sub.2/ZnO ratio being 8-1000, (ii) the micropore surface area being 300-800 m.sup.2/g, (iii) the micropore volume being 0.1-0.3 cm.sup.3/g, and (iv) having mesopores having, in the state as synthesized, a diameter of 2-6 nm and a volume of 0.001-0.3 cm.sup.3/g. The beta zeolite is favorably produced by means of adding and reacting a zinc silicate beta zeolite as a seed crystal with a reaction mixture containing a silica source, an alumina source, an alkali source, and water.

Silicate-coated MFI-type zeolite, method of producing the same, and method of producing p-xylene using the same

A silicate-coated MFI-type zeolite is obtained by coating an MFI-type zeolite with a silicate, and a peak area ratio b/a of a peak b at 2=8.4 to 9.7 to a peak a at 2=7.0 to 8.4 in an X-ray diffraction spectrum is 1 or more, and a pKa value measured by a Hammett indicator is +3.3 or more.

Support for fischer-tropsch catalyst having improved activity

Provided is a Fischer Tropsch catalyst prepared according to a process comprising: a. preparing a catalyst precursor by: i. impregnating an alumina catalyst support material with a first solution comprising ammonium metavanadate and phosphoric acid, to obtain a treated catalyst support material; ii. calcining the treated catalyst support material at a temperature of at least 500 C. to obtain a modified catalyst support having a modified support surface area and a pore volume of at least 0.4 cc/g; wherein the modified catalyst support loses no more than 8% of the pore volume when exposed to a water vapor; and iii. contacting the modified catalyst support with a second solution comprising a precursor compound of an active cobalt catalyst component and glutaric acid to obtain the catalyst precursor; and b. reducing the catalyst precursor to activate the catalyst precursor to obtain the Fischer Tropsch catalyst.

Process for oxygenate to olefin conversion using 2-D pentasil zeolite

A process for the conversion of oxygenates to olefins is presented. The process utilizes a catalyst having a 2-dimensional morphology, and the catalyst is a pentasil zeolite. The process is an oxygenate to olefins conversion under typical temperatures and pressures, but provides for an increased propylene yield and a reduced ethylene yield.

Process for hydroxylation of aromatic compounds, hydroxylation catalyst and process for preparing same

The present invention relates to a process for hydroxylation of a compound of formula (I) by reacting the compound of formula (I) with an oxidizing agent, in the presence of a titanium silicalite zeolite prepared by crystallization preceded by a maturing step. The present invention also relates to a titanium silicalite zeolite and to the process for preparing same.

Method of producing FCC catalysts with reduced attrition rates

FCC catalysts having improved attrition resistance are provided by mixing a cationic polyelectrolyte with either zeolite crystals or a zeolite-forming nutrient and/or a matrix material, prior to or during formation of a catalyst microsphere.

NANOSTRUCTURED BINARY OXIDE TiO2/Al2O3 WITH STABILIZED ACIDITY AS CATALYTIC SUPPORT AND ITS SYNTHESIS PROCESS

The present invention is directed to a nanostructured binary oxide TiO.sub.2Al.sub.2O.sub.3 with high acidity and its synthesis process via the sol-gel method, hydrotreating and thermal activation. The nanostructured binary oxide TiO.sub.2Al.sub.2O.sub.3 with high acidity consists basically of titanium oxide and aluminum oxide with the special characteristic of being obtained as nanostructures, in their nanocrystal-nanotube evolution, which provides special physicochemical properties such as high specific area, purity and phase stability, acidity stability and different types of active acid sites, in addition to the capacity to disperse and stabilize active metal particles with high activity and selectivity mainly in catalytic processes.

Metallosilicates, processes for producing the same, nitrogen oxide removal catalyst, process for producing the same, and method for removing nitrogen oxide with the same
09675935 · 2017-06-13 · ·

The invention relates to: a -type iron silicate which has a fluorine content not more than 400 ppm by weight on a dry basis and in which the crystal grains have a truncated square bipyramidal morphology in an examination with a scanning electron microscope and the whole or part of the iron is contained in the -type framework structure, and a process for producing the iron silicate; anther -type iron silicate, and a process for producing the iron silicate; and a nitrogen oxide removal catalyst containing the other -type iron silicate, a process for producing the catalyst, and a method for nitrogen oxide removal with the catalyst.

ISOMERIZATION CATALYST

Paraffin isomerization catalyst comprising of from 0.01 to 5 wt. % of a Group VIII noble metal on a carrier containing alumina and zeolite beta having a silica to alumina molar ratio (SAR) of from 5 to 15 and process employing such catalyst for isomerization of a hydrocarbon feed containing paraffins having of from 4 to 8 carbon atoms.

NOVEL CATALYST FOR THE WATER GAS SHIFT REACTION

A method of increasing hydrogen content of a synthesis gas via a water-gas shift reaction includes providing a catalyst composition comprising cesium, molybdenum and sulfur on an inert support. A reactant gas mixture including synthesis gas (carbon monoxide and hydrogen) and steam, when flowed into contact with the catalyst composition, may form a hydrogen enriched shifted gas mixture.