CAS: 10108-73-3; Cerium(3+) Nitrate

专利信息

专利号:US-2024075466-A1
优先权日:2021-04-09
标 题:One-Pot Synthesis of Transition Metal-Promoted Chabazites
发明人：VAN TENDELOO LEEN; SCHUETZE FRANK-WALTER; VERHEYEN ELKE JANE JUNE
权利人:UMICORE AG & CO KG
摘要:The invention provides methods for a one-pot synthesis of molecular sieves of the CHA-type. The method uses molecular and non-molecular sieves as sources of silicon and aluminum. A first OSDA is selected from tetraethylenepentamine (TEPA) and triethy-lenepentamine (TETA). The synthesis mixture comprises a first metal selected from copper, iron and zinc. Optionally, the synthesis mixture may furthermore comprise a second OSDA and/or a second metal selected from manganese, cesium, magnesium, calcium, strontium, barium, yttrium, titanium, zirconium, niobium, iron, zinc, silver, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium and mixtures thereof. The molecular sieves of the CHA-type obtainable by the method can be used as SCR-catalytically active substances for the removal of nitrogen oxides from exhaust gases of combustion engines.

专利号:US-9295978-B2
优先权日:2012-02-15
标题:Catalyst and method for the direct synthesis of dimethyl ether from synthesis gas
发明人：SCHÄFER ALEXANDER; MADON ROSTAM JAL; VON FEHREN THORSTEN
权利人:BASF CORP
摘要:Catalysts and methods for their manufacture and use for the synthesis of dimethyl ether from syngas are disclosed. The catalysts comprise ZnO, CuO, ZrO 2 , alumina and one or more of boron oxide, tantalum oxide, phosphorus oxide and niobium oxide. The catalysts may also comprise ceria. The catalysts described herein are able to synthesize dimethyl ether directly from synthesis gas, including synthesis gas that is rich in carbon monoxide.

专利号:US-6342538-B1
优先权日:1998-12-17
标题 :Catalyst for the synthesis of methanol and a method for the synthesis of methanol
发明人：MATSUMURA YASUYUKI; SHEN WEN-JIE
权利人:AGENCY IND SCIENCE TECHN
摘要:An object of the present invention is to offer a catalyst for the hydrogenation which is suitable for the synthesis of methanol from CO and/or CO 2 under the condition of low temperature and low pressure. In the said catalyst, Pd having a particle size of 5 nm or less is carried on a cerium type oxide (CeO 2 ) whereby methanol is synthesized by the reaction of CO and/or CO 2 with hydrogen. The said catalyst for the hydrogenation can be manufactured by a method where the catalyst is manufactured from a coprecipitate of a precursor of cerium type oxide and palladium and a method where palladium is separated in a cerium type oxide.

专利号:US-2024101506-A1
优先权日:2021-01-26
标 题 :Continuous process for the synthesis of dimethyl carbonate over a cerium-based catalyst formulation
发明人：SRINIVAS DARBHA; BOKADE VIJAY VASANT; NIPHADKAR PRASHANT SURESH; PULIKKEEL UNNIKRISHNAN; PARMAR SNEHALKUMAR; AMTE VINAY; SENGUPTA SURAJIT; DAS ASIT KUMAR
权利人:COUNCIL SCIENT IND RES
摘要:The present invention discloses a continuous process for the synthesis of dimethyl carbonate from methanol and carbon dioxide over a ceria-based mixed metal oxide-silica catalyst formulation in the presence of a dehydrating or water trapping compound (2-Cyanopyridine).

专利号:US-5856259-A
优先权日:1994-12-21
标 题:Preparation process of supported catalyst for the synthesis of methacrolein and methacrylic acid
发明人：WATANABE SEIGO; YOSHIOKA HITOSHI; IZUMI JINKO
权利人:MITSUBISHI RAYON CO
摘要:A process for producing a supported catalyst for the synthesis of methacrolein and methacrylic acid in which a catalytic active substance comprising a composite oxide containing molybdenum and bismuth as essential components is supported on the inside surface and/or the outside surface of an inert carrier, which comprises the steps of drying a mixed solution or an aqueous slurry containing the compounds of the elements constituting the catalytic active substance, subjecting the dried product to a primary calcination at a temperature in a range of 200°-400° C. to form a catalytic active substance precursor, comminuting the obtained catalytic active substance precursor to such an extent that the medium particle size in the volume-based particle size distribution becomes 10 μm or less, supporting the comminution product on an inert carrier, and subjecting it to a secondary calcination at a temperature which is 100° C. or more higher than the primary calcination temperature.

专利号:US-10336681-B2
优先权日:2015-03-23
标 题:Process for the synthesis of dialkyl carbonates
发明人：RANADE VIVEK VINAYAK; KELKAR ASHUTOSH ANANT; RANE VILAS HARI; KINAGE ANIL KISAN; SHINGOTE SAVITA KIRAN; ROY LALITA SANJIB
权利人:COUNCIL SCIENT IND RES
摘要:The patent discloses a process for the synthesis of dialkyl carbonates catalyzed by a catalyst composition AB oxides, wherein A and B are rare earth metals or A and B are combination of rare earth and transition metals with ratios ranging from 0.5:10 to 10:0.5.