FIELD: chemistry.
SUBSTANCE: contacting is carried out in the presence of a catalyst containing high-silica zeolite, having a ZSM-5 structure and a promoter in form of an oxide or mixtures of oxides of transition metals selected from oxides of zinc, chromium and iron at temperature in the catalyst bed of 470-630°C.
EFFECT: use of the present method increases output of aromatic hydrocarbons, increases catalyst efficiency with respect to aromatic hydrocarbons, reduces output of easily separated recyclable by-products.
1 cl, 1 tbl, 14 ex
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Authors
Dates
2012-12-20—Published
2011-06-15—Filed