Indian Petrochemicals Corporation Limited

Sanjay Ramakrishna Rinke

Jagannath Das

Arun Gurudath Basrur

Pavagada Raghavendra Char

Anand Bhimarao Halgeri

Laxmilal Jain

Avinash Ramchandra Saple

Mantri Ganapati

The present invention relates to a process for the selective production of para-diethyl benzene from a mixed aromatic feedstock containing ethyl benzene and at least one other aromatic compound selected from benzene, alkylated benzene having alkyl group with carbon number 1 to 6, mono-alkyl aromatics, dialkyl aromatics, trialkyl aromatics, tetraalkyl aromatics, pentaalkyl aromatics, hexaalkyl aromatics, containing side chains having 1 to 6 carbon atoms, and any mixtures thereof, the process comprising of (a) alkylating the feedstock under alkylating conditions, over a selectivated metallosilicate composite catalyst; and (b) recovering a product stream containing at least 95 wt % para-diethyl benzene, the product stream being substantially free from other isomers of diethylbenzene, Caromatics, Caromatics, C+ heavy aromatics other than diethyl benzene isomers, sulphur, halogen, olefinic compound and carbonyl compounds.

Process for the production of para-diethylbenzene

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Maharashtra, India

Sanjay Ramakrishna Rinke