Shape selective reactions with zeolite catalysts modified with i

Details Shape selective reactions with zeolite catalysts modified with i Shape selective reactions with zeolite catalysts modified with i

1982-11-03

1984-09-18

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Zeolite or clay, including gallium analogs

Zsm type

502 71, B01J 2934

Patent

active

044725183

ABSTRACT:
A zeolite catalyst composition suitable for para-selective conversion of substituted aromatic compounds, e.g. conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dialkylbenzene isomer. Such a composition comprises a zeolite catalyst component having a silica to alumina mole ratio of at least 12 and a constraint index of about 1 to 12, and a minor amount, e.g., at least 0.25 weight percent of the elements iron and/or cobalt and optionally the element phosphorus, said elements being present in the form of their oxides.

REFERENCES:
patent: 4088706 (1978-05-01), Kaeding
patent: 4207248 (1980-06-01), Butter et al.
patent: 4207250 (1980-06-01), Butter et al.
patent: 4359406 (1982-11-01), Fung

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