| 摘要 |
1,249,016. Fuels. CHEVRON RESEARCH CO. 2 Oct., 1969, No. 48499/69. Heading C5G. Gasoline compositions are prepared by fractionating the effluent from a cracking zone, separating a fraction boiling at 15-170‹ F. and containing C 4 -C 6 tertiary olefins, etherating these olefins by contacting with a C 1 -C 6 alcohol and a catalyst and combining the etherated fraction with a hydrocarbon stream boiling at 15-425‹F. |
