NOVEL MANUFACTURING METHOD OF EPICHLOROHYDRIN

PROBLEM TO BE SOLVED: To provide a manufacturing method of epichlorohydrin, by dechlorohydrogenation of a dichlorohydrin mainly composed of 1,3-dichloro-2-propanol, which is excellent in the light of yield, waste water load, and energy used in its manufacturing. SOLUTION: In a process in which epich...

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Main Authors KAGAWA NAOTO, OTAKA SEIJI, FUJIMOTO RYOSUKE, KITAMURA TORU, TAKENAKA KEIJI, MIKI YASUSHI, ISHIHARA TOSHIYUKI, KOYANAGI KEIJI
Format Patent
LanguageEnglish
Published 12.11.2009
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Abstract PROBLEM TO BE SOLVED: To provide a manufacturing method of epichlorohydrin, by dechlorohydrogenation of a dichlorohydrin mainly composed of 1,3-dichloro-2-propanol, which is excellent in the light of yield, waste water load, and energy used in its manufacturing. SOLUTION: In a process in which epichlorohydrin is generated by dechlorohydrogenation of a dichlorohydrin mainly composed of 1,3-dichloro-2-propanol, it was found that the reaction liquid after dechlorohydrogenation of dichlorohydrin can be separated by the difference of specific gravities of an oil layer and a water layer, and that the property of liquid separation can be controlled by limiting the molar ratio of 1,3-dichloro-2-propanol and 2,3-dichloro-1-propanol of the dichlorohydrin to be dechlorohydrogenated within 87:13-100:0. Optionally, the resultant oil layer and the water layer are treated intermediately. COPYRIGHT: (C)2010,JPO&INPIT
AbstractList PROBLEM TO BE SOLVED: To provide a manufacturing method of epichlorohydrin, by dechlorohydrogenation of a dichlorohydrin mainly composed of 1,3-dichloro-2-propanol, which is excellent in the light of yield, waste water load, and energy used in its manufacturing. SOLUTION: In a process in which epichlorohydrin is generated by dechlorohydrogenation of a dichlorohydrin mainly composed of 1,3-dichloro-2-propanol, it was found that the reaction liquid after dechlorohydrogenation of dichlorohydrin can be separated by the difference of specific gravities of an oil layer and a water layer, and that the property of liquid separation can be controlled by limiting the molar ratio of 1,3-dichloro-2-propanol and 2,3-dichloro-1-propanol of the dichlorohydrin to be dechlorohydrogenated within 87:13-100:0. Optionally, the resultant oil layer and the water layer are treated intermediately. COPYRIGHT: (C)2010,JPO&INPIT
Author KITAMURA TORU
MIKI YASUSHI
ISHIHARA TOSHIYUKI
KAGAWA NAOTO
TAKENAKA KEIJI
KOYANAGI KEIJI
FUJIMOTO RYOSUKE
OTAKA SEIJI
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– fullname: TAKENAKA KEIJI
– fullname: MIKI YASUSHI
– fullname: ISHIHARA TOSHIYUKI
– fullname: KOYANAGI KEIJI
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HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
Title NOVEL MANUFACTURING METHOD OF EPICHLOROHYDRIN
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