FIELD: chemistry.
SUBSTANCE: present invention pertains to obtaining catalysts, particularly catalysts for dehydrogenation of paraffin hydrocarbons into olefins. Description is given of a catalyst for dehydrogenation of C3-C5-paraffin hydrocarbons into olefins, containing, in wt %: chromium (III) oxide - 8.0-23.0; alkali metal oxide - 0.5-3.5; zirconium oxide or a mixture of oxides of zirconium, hafnium and titanium with mass ratio of 1:(0.01-0.3):(0.001-0.05)-0.05-5.0; carrier - rehydrated oxygen-containing aluminium compound with general formula: Al2O3-x(OH)2x·nH2O, where x=0.1-0.5, n=0.7-1.5, with an x-ray amorphous structure, containing 10-50% pseudo boehmite.
EFFECT: increased catalytic activity and stability due to reduced loss during attrition.
5 cl, 2 tbl, 4 ex
| Title | Year | Author | Number | 
|---|---|---|---|
| CATALYST, METHOD FOR PREPARATION THEREOF, AND A PROCESS OF DEHYDROGENATION OF C-C-PARAFFIN HYDROCARBONS INTO OLEFINS | 2006 | 
 | RU2322290C1 | 
| HYDROCARBON DEHYDROGENATION CATALYST AND A METHOD FOR PREPARATION THEREOF | 2006 | 
 | RU2301108C1 | 
| CATALYST FOR DEHYDROGENATION OF PARAFFIN C-C HYDROCARBONS | 2019 | 
 | RU2698308C1 | 
| CATALYST FOR DEHYDROGENATION OF C-C PARAFFIN HYDROCARBONS, METHOD OF PRODUCING SAID CATALYST AND METHOD FOR DEHYDROGENATION OF C-C PARAFFIN HYDROCARBONS | 2010 | 
 | RU2448770C1 | 
| CATALYST FOR DEHYDROGENATION OF PARAFFIN HYDROCARBONS AND METHOD OF PREPARATION THEREOF | 2020 | 
 | RU2735920C1 | 
| PARAFFIN HYDROCARBON DEHYDROGENATION CATALYST | 2005 | 
 | RU2271860C1 | 
| PARAFFIN HYDROCARBON DEHYDROGENATION CATALYST | 2000 | 
 | RU2167709C1 | 
| MICROSPHERICAL CATALYST CARRIER | 2005 | 
 | RU2271248C1 | 
| DEHYDROGENATION CATALYST C-C PARAFFIN HYDROCARBONS | 2019 | 
 | RU2705808C1 | 
| CATALYST OF DEHYDRATION OF C-C PARAFFIN HYDROCARBONS | 2013 | 
 | RU2538960C1 | 
Authors
Dates
2009-03-20—Published
2007-09-05—Filed