PL399347A1 - Process for the dehydrochlorination of 1,3-dichloro-2-propanol - Google Patents

Process for the dehydrochlorination of 1,3-dichloro-2-propanol

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Publication number
PL399347A1
PL399347A1 PL399347A PL39934712A PL399347A1 PL 399347 A1 PL399347 A1 PL 399347A1 PL 399347 A PL399347 A PL 399347A PL 39934712 A PL39934712 A PL 39934712A PL 399347 A1 PL399347 A1 PL 399347A1
Authority
PL
Poland
Prior art keywords
dichloro
propanol
column
dehydrochlorination
stream
Prior art date
Application number
PL399347A
Other languages
Polish (pl)
Other versions
PL219387B1 (en
Inventor
Eugeniusz Milchert
Waldemar Marian Paździoch
Anna Krzyżanowska
Original Assignee
Zachodniopomorski Uniwersytet Technologiczny W Szczecinie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zachodniopomorski Uniwersytet Technologiczny W Szczecinie filed Critical Zachodniopomorski Uniwersytet Technologiczny W Szczecinie
Priority to PL399347A priority Critical patent/PL219387B1/en
Publication of PL399347A1 publication Critical patent/PL399347A1/en
Publication of PL219387B1 publication Critical patent/PL219387B1/en

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Abstract

Sposób odchlorowodorowania 1,3-dichloro-2-propanolu za pomoca roztworu wodorotlenku wapnia w sposób ciagly, charakteryzuje sie tym, ze 1,3-dichloro-2-propanol oraz roztwór wodorotlenku wapnia wprowadza sie do czesci reakcyjnej (2) kolumny z wypelnieniem, miesza sie w temperaturze 85 do 95°C, pod cisnieniem atmosferycznym lub obnizonym, kieruje do czesci odpedowej (1) kolumny, nastepnie w strumieniu pary wodnej bezposredniej prowadzi sie oddestylowanie azeotropu epichlorohydryna-woda wraz z nieprzereagowanym 1,3-dichloro-2-propanolem i produktami ubocznymi i strumien przemywa sie w czesci destylacyjnej (3) kolumny warstwa wodna, otrzymywana po skropleniu destylatu w chlodnicy (4), oddzieleniu warstwy epichlorohydrynowej w rozdzielaczu (5).The method of dehydrochlorination of 1,3-dichloro-2-propanol with a calcium hydroxide solution in a continuous manner is characterized by that 1,3-dichloro-2-propanol and a calcium hydroxide solution are introduced into the reaction part (2) of the packed column, is mixed at a temperature of 85 to 95 ° C, under atmospheric or reduced pressure, directed to the stripping part (1) of the column, then in a stream of direct steam the epichlorohydrin-water azeotrope is distilled off together with unreacted 1,3-dichloro-2-propanol and by-products and the stream is washed in the distillation part (3) of the column with the water layer obtained after condensing the distillate in a cooler (4), separating the epichlorohydrin layer in the separator (5).

PL399347A 2012-05-29 2012-05-29 Process for the dehydrochlorination of 1,3-dichloro-2-propanol PL219387B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL399347A PL219387B1 (en) 2012-05-29 2012-05-29 Process for the dehydrochlorination of 1,3-dichloro-2-propanol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL399347A PL219387B1 (en) 2012-05-29 2012-05-29 Process for the dehydrochlorination of 1,3-dichloro-2-propanol

Publications (2)

Publication Number Publication Date
PL399347A1 true PL399347A1 (en) 2013-12-09
PL219387B1 PL219387B1 (en) 2015-04-30

Family

ID=49684153

Family Applications (1)

Application Number Title Priority Date Filing Date
PL399347A PL219387B1 (en) 2012-05-29 2012-05-29 Process for the dehydrochlorination of 1,3-dichloro-2-propanol

Country Status (1)

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PL (1) PL219387B1 (en)

Also Published As

Publication number Publication date
PL219387B1 (en) 2015-04-30

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Effective date: 20141023