Preparation of motor spirit

摘要

Motor spirit is made by (a) contacting C3 and/or C4 hydrocarbons with supported gallium dehydrocyclisation catalyst (b) isomerising C5 and/or C6 paraffins, (c) blending aromatic product from (a) and isomerisate from (b) with not more than 35% weight of straight run components. Motor spirit obtained by simple process from materials which can be separated from natural gas.