Method and apparatus for improving the selectivity of a process

Details Method and apparatus for improving the selectivity of a process Method and apparatus for improving the selectivity of a process

1979-10-22

1981-02-17

Gantz, Delbert E.

Chemistry of hydrocarbon compounds

Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...

Partial

23230A, 208DIG1, 585259, 585263, 585271, 422 62, C07C 509, C07C 1104

Patent

active

042516749

ABSTRACT:
In an ethylene manufacturing process in which the effluent from the cracking furnaces is provided to an acetylene reactor to therein selectively hydrogenate acetylene to ethylene, method and apparatus is provided whereby methanol is injected into the cracking furnace to produce carbon monoxide in sufficient quantities to substantially optimize the selectivity of the conversion of acetylene to ethylene in the acetylene reactors. The concentration of the carbon monoxide in the effluent flowing from the cracking furnace is utilized to manipulate the flow of methanol to the cracking furnace so as to maintain a desired concentration of carbon monoxide in the effluent flowing from the cracking furnace.

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