Title: Process for producing isopropyl alcohol
Application Number: 95118882 Application Date: 1995.12.15
Publication Number: 1134410 Publication Date: 1996.10.29
Approval Pub. Date: 2001.08.08 Granted Pub. Date: 2001.08.08
International Classifi-cation: C07C29/04;C07C31/10
Applicant(s) Name: Mitsui Toatsu Chemicals Inc. Address:
Inventor(s) Name: Shigeru Hirata;Shinji Ogawa
Attorney & Agent: ZHANG YUANZHONG
Abstract:
    Disclosed is a process for producing isopropyl alcohol by hydrating directly propylene and water in the presence of a strong acid solid catalyst, comprising: feeding continuously propylene, water which is the same as or more than propylene in terms of mole, and a saturated hydrocarbon to a reactor in which the above solid catalyst is filled or suspended, carrying out a hydration reaction while maintaining the temperature and the pressure of the inside of the reactor in the conditions exceeding or slightly lower than the critical temperatures and the critical pressures of the above propylene and the saturated hydrocarbon and maintaining the concentration of isopropyl alcohol contained in the reaction liquid at 6% or more, and drawing a vapor phase out of the reactor, liquefying a part thereof by reducing the pressure and cooling to separate vapor components, and refining crude isopropyl alcohol contained in the liquid phase to obtain refined isopropyl alcohol.
Time: 10
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