Process and apparatus for separating oxygenate modifier from...

Details Process and apparatus for separating oxygenate modifier from... Process and apparatus for separating oxygenate modifier from...

2007-07-17

2007-07-17

Nguyen, Tam M. (Department: 1764)

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By plural serial diverse separations

C585S502000, C585S510000, C585S511000, C208S311000, C208S313000, C208S323000

Reexamination Certificate

active

10125630

ABSTRACT:
It has now been disclosed that by directing the effluent from an oligomerization reactor to a water wash column to remove alcohol modifier from the hydrocarbon stream before sending it to a fractionation column offers flexibility in providing a bottoms product of a desired vapor pressure without increasing the concentration of alcohol modifier in the overhead stream beyond alcohol concentration limits.

REFERENCES:
patent: 4313016 (1982-01-01), Manning
patent: 4447668 (1984-05-01), Smith et al.
patent: 4956513 (1990-09-01), Walker et al.
patent: 5146032 (1992-09-01), Harandi
patent: 6590132 (2003-07-01), Vora
patent: 0 994 088 (2000-04-01), None
Article “Consider New Technologies to Replace MTBE” by M.J. Tsai et al.,Hydrocarbon Processing, Feb. 2002, pp. 81-87.

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