Process for steam dealkylation of aromatic hydrocarbons

Details Process for steam dealkylation of aromatic hydrocarbons Process for steam dealkylation of aromatic hydrocarbons

1979-02-23

1980-04-22

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 62, 208112, 208138, 252466PT, 423652, 585487, B01J 2364, C07C 358, C07C 1506, C10G 3508

Patent

active

041994370

ABSTRACT:
Process for steam dealkylation of alkylaromatic hydrocarbons, particularly useful to produce benzene from toluene and to de-alkylate the alkylaromatic hydrocarbons contained in the effluents from catalytic reforming and aromatic production units, wherein the catalyst contains, in addition to an alumina carrier (a) at least one metal selected from ruthenium, rhodium, palladium, osmium, iridium and platinum (b) rhenium and (c) an alkali metal selected from lithium, sodium, potassium, rubidium and cesium.

REFERENCES:
patent: 3436433 (1969-04-01), Lester
patent: 3530194 (1970-09-01), Quik et al.
patent: 3551326 (1970-12-01), Egan
patent: 3595932 (1971-07-01), Maslyanski et al.
patent: 3617520 (1971-11-01), Kluksdahl
patent: 3649706 (1972-03-01), Lester
patent: 3649707 (1972-03-01), Lester
patent: 3650944 (1972-03-01), McCoy et al.
patent: 3670044 (1972-06-01), Drehman et al.
patent: 3819507 (1974-06-01), Oishi
patent: 4013734 (1977-03-01), Kim

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