Procedure for producing zeolite catalysts, and alkylation...

Details Procedure for producing zeolite catalysts, and alkylation... Procedure for producing zeolite catalysts, and alkylation...

B - Operations, Transporting

01

J

252/12, 260/684,

B01J 21/04 (2006.01) B01J 29/86 (2006.01) C07C 2/66 (2006.01) C07C 2/86 (2006.01)

Patent

CA 1233459

ABSTRACT OF THE DISCLOSURE The present invention provides a process for producing an aluminium-boron-silicate catalyst with the composition 0.8-1.2 M2/n O : A12O3 : 0.005-0.01 B2O3 : 10-150 SiO2 : x H2O. In the process, a reaction mixture which contains a cation with organic nitrogen, an alkali metal oxide or a mixture thereof, aluminium oxide, boron oxide and silicon dioxide and water, is heated in a closed reaction vessel initially at a higher temperature and there- after at a lower temperature for producing an aluminium- boron-silicate catalyst. The cation containing organic nitrogen is suitably derived from pyrrolidine or tetraethyl, tetrapropyl or tetrabutyl ammonium chloride or a mixture thereof. The catalysts are useful in the alkylating of aromatic hydrocarbons.

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