| 20090221863 | HF akylation process - An HF alkylation process for producing gasoline boiling range alkylate product by the alkylation of a light olefin with an isoparaffin in the presence of hydrogen fluoride as an alkylation catalyst, in which the content of organic fluorides in the alkylation product stream is reduced by recontact with additional HF alkylation acid after which the hydrocarbon phase and the denser acid-containing phase are separated in a hydrocyclone. The use of the hydrocyclone enables the acid inventory of the unit to be significantly reduced which still achieving satisfactory removal of the unwanted fluoride by-products. | 09-03-2009 |
