Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1993-11-08
1995-04-25
Evans, Joseph E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
5689098, C07D30119, C07D30304, C07C 2716, C07C 3112
Patent
active
054100771
ABSTRACT:
In a regulated process wherein propylene is reacted with tertiary butyl hydroperoxide in solution in tertiary butyl alcohol to produce propylene oxide and tertiary butyl alcohol in a reactor system comprising a first isothermal segment comprising a plurality of at least four sequentially interconnected internally cooled reactors, and a second adiabatic segment,
an initial feed mixture is continuously charged to the first reactor, comprising propylene and a recycle stream composed of about 25 to about 75 wt. % of the combined weight of said propylene and said recycle stream,
a plurality of feed streams comprising a tertiary butyl alcohol solution of tertiary butyl hydroperoxide and molybdenum catalyst are charged to each of at least four sequentially interconnected reactors, and
about 60 to 80 wt % of the tertiary butyl hydroperoxide is converted in the isothermal segment; the recycle stream being removed at the end of the isothermal segment and the remainder of the intermediate reaction mixture being passed through the adiabatic segment where additional tertiary butyl hydroperoxide is converted.
REFERENCES:
patent: 3666777 (1972-05-01), Sorgenti
patent: 5216182 (1993-06-01), Marquis et al.
Mueller Mark A.
Taylor Mark E.
Wu Chung-Nan T.
Bailey James L.
Evans Joseph E.
Priem Kenneth R.
Ries Carl G.
Texaco Chemical Company
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