BigPatents India

The present invention relates to a process for the production of linear alkylaromatic hydrocarbons comprising a) dehydrogenating C1O-CI4 n- paraffins; b) selectively hydrogenating the diolefins produces during step (a);c) feeding stream (b) and an aromatic hydrocarbon to an alkylation unit; d) distilling the alkylated stream into its main constituents; e) subjecting a paraffinic stream containing aromatic by-products, leaving step (d) to to a hydrogenation step; f) recycling the stream leaving step ( e ) to the dehydrogenation unit of step (a).