Process for producing high-octane, low-olefin motor fuels and mo

Details Process for producing high-octane, low-olefin motor fuels and mo Process for producing high-octane, low-olefin motor fuels and mo

1991-04-18

1992-08-25

Hearn, Brian E.

Fuel and related compositions

Liquid fuels

Organic oxygen compound containing

44447, 44446, 585264, C10L 118

Patent

active

051415259

ABSTRACT:
High-octane, low-olefin motor fuels and motor fuel components having a content of alkyl tert.-alkyl ethers can be produced by reacting a crude hydrocarbon stream, which contains tertiary C.sub.5 -C.sub.8 -olefins in addition to saturated and olefinically, diolefinically and acetylenically unsaturated hydrocarbons in the same boiling range, simultaneously with one or more C.sub.1 -C.sub.4 -alkanols in a quantity from 0.5 to 5 mol per mol of the tertiary olefin(s) and with excess hydrogen relative to the total unsaturation under a pressure from 12 to 80 bar and at a temperature from 60.degree. to 180.degree. C. on a catalyst known per se or a mixture of catalysts known per se, which effect(s) both the etherification and the olefin hydrogenation.

REFERENCES:
patent: 4925455 (1990-05-01), Harandi et al.
patent: 4950820 (1990-08-01), Schleppinghoff et al.
patent: 5013329 (1991-03-01), Bell et al.
patent: 5084070 (1992-01-01), Kohler et al.

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