RU2003103590A - METHOD FOR PRODUCING PROPYLENE OXIDE - Google Patents

METHOD FOR PRODUCING PROPYLENE OXIDE

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Publication number
RU2003103590A
RU2003103590A RU2003103590/04A RU2003103590A RU2003103590A RU 2003103590 A RU2003103590 A RU 2003103590A RU 2003103590/04 A RU2003103590/04 A RU 2003103590/04A RU 2003103590 A RU2003103590 A RU 2003103590A RU 2003103590 A RU2003103590 A RU 2003103590A
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RU
Russia
Prior art keywords
mixture
methanol
propylene oxide
separated
ciii
Prior art date
Application number
RU2003103590/04A
Other languages
Russian (ru)
Other versions
RU2277089C2 (en
Inventor
Хоаким Энрике ТЕЛЕС
Алвин РЕФИНГЕР
Петер БАССЛЕР
Анне БЕРГ
Норберт Рибер
Петер РУДОЛЬФ
Original Assignee
Басф Акциенгезельшафт
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
Priority claimed from DE10032884A external-priority patent/DE10032884A1/en
Application filed by Басф Акциенгезельшафт filed Critical Басф Акциенгезельшафт
Publication of RU2003103590A publication Critical patent/RU2003103590A/en
Application granted granted Critical
Publication of RU2277089C2 publication Critical patent/RU2277089C2/en

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Claims (9)

1. Способ получения пропиленоксида, в котором (I) пропен подвергают превращению с перекисью водорода в присутствии метанола в пропиленоксид с получением смеси (CI), содержащей пропиленоксид, метанол, воду и не прореагировавшую перекись водорода, (II) из смеси (CI) отделяют смесь (СII), содержащую метанол, воду и перекись водорода, с получением смеси (Са), содержащей пропиленоксид, и (III) из смеси (СII) отделяют воду с получением смеси (СIII), содержащей метанол и метилформиат.1. A method of producing propylene oxide, in which (I) propene is subjected to conversion with hydrogen peroxide in the presence of methanol to propylene oxide to obtain a mixture (CI) containing propylene oxide, methanol, water and unreacted hydrogen peroxide, (II) is separated from the mixture (CI) a mixture (CII) containing methanol, water and hydrogen peroxide, to obtain a mixture (Ca) containing propylene oxide, and (III) water is separated from a mixture (CII) to obtain a mixture (CIII) containing methanol and methyl formate. 2. Способ по п.1, отличающийся тем, что для получения пропиленоксида применяют цеолитный катализатор, предпочтительно титансиликалитный катализатор и, в частности, титансиликалитный катализатор структуры TS-1.2. The method according to claim 1, characterized in that a zeolite catalyst, preferably a titanium silicalite catalyst and, in particular, a titanium silicalite catalyst of structure TS-1, is used to produce propylene oxide. 3. Способ по п.1 или 2, в котором воду отделяют дистилляцией согласно (III), отличающийся тем, что (IV) из смеси (СII) в первой дистилляционной колонне отделяют через головную часть смесь (CIV), которая главным образом содержит метанол и метилформиат, (V) смесь, полученную из зумпфа первой дистилляционной колонны, направляют в качестве исходного сырья во вторую дистилляционную колонну, (VI) из второй дистилляционной колонны через головную часть получают смесь (CVI), которая содержит главным образом метанол и метилформиат, и (VII) смеси (CIV) и (CVI) объединяют с получением смеси (CIII).3. The method according to claim 1 or 2, in which water is separated by distillation according to (III), characterized in that (IV) from the mixture (CII) in the first distillation column is separated through the head part of the mixture (CIV), which mainly contains methanol and methyl formate, (V) the mixture obtained from the sump of the first distillation column is sent as feed to the second distillation column, (VI) from the second distillation column, a mixture (CVI) is obtained from the second distillation column, which mainly contains methanol and methyl formate, and (VII) mixtures of (CIV) and (CVI) are combined with n by treating the mixture (CIII). 4. Способ по одному из пп.1-3, отличающийся тем, что из смеси (СIII) метанол отделяют от метилформиата и отделенный метанол возвращают в(1).4. The method according to one of claims 1 to 3, characterized in that methanol is separated from the mixture (CIII) from methyl formate and the separated methanol is returned to (1). 5. Способ по одному из пп.1-4, отличающийся тем, что превращение согласно (I) осуществляют в одну стадию.5. The method according to one of claims 1 to 4, characterized in that the conversion according to (I) is carried out in one stage. 6. Способ по п.5, отличающийся тем, что превращение перекиси водорода в (I) находится в области от 85 до 99,99%.6. The method according to claim 5, characterized in that the conversion of hydrogen peroxide in (I) is in the range from 85 to 99.99%. 7. Способ по одному из пп.1-6, причем смесь (Са) дополнительно к пропиленоксиду содержит метанол, отличающийся тем, что метанол отделяют из (Са) и добавляют к смеси (СII), или к смеси (CIII), или к смесям (СII) и (CIII).7. The method according to one of claims 1 to 6, wherein the mixture (Ca) in addition to propylene oxide contains methanol, characterized in that the methanol is separated from (Ca) and added to the mixture (CII), or to the mixture (CIII), or mixtures of (CII) and (CIII). 8. Способ по п.7, отличающийся тем, что отделение метанола происходит в колонне по крайней мере с 20 теоретическими тарелками при давлении в области от 0,3 до 10 бар.8. The method according to claim 7, characterized in that the separation of methanol occurs in the column with at least 20 theoretical plates at a pressure in the region of 0.3 to 10 bar. 9. Способ по одному из пп.1-8, причем смесь (Са) наряду с пропилен-оксидом и при известных условиях метанолом дополнительно содержит в (I) не прореагировавший пропен, отличающийся тем, что пропен отделяют из смеси (Са).9. The method according to one of claims 1 to 8, wherein the mixture (Ca) along with propylene oxide and under certain conditions with methanol additionally contains unreacted propene in (I), characterized in that the propene is separated from the mixture (Ca).
RU2003103590/04A 2000-07-06 2001-07-05 Method for preparing propylene oxide RU2277089C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10032884.9 2000-07-06
DE10032884A DE10032884A1 (en) 2000-07-06 2000-07-06 Process for the production of propylene oxide

Publications (2)

Publication Number Publication Date
RU2003103590A true RU2003103590A (en) 2004-10-10
RU2277089C2 RU2277089C2 (en) 2006-05-27

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RU2003103590/04A RU2277089C2 (en) 2000-07-06 2001-07-05 Method for preparing propylene oxide

Country Status (16)

Country Link
US (1) US6756503B2 (en)
EP (1) EP1296968B1 (en)
CN (1) CN1230427C (en)
AT (1) ATE281442T1 (en)
AU (1) AU2001289624A1 (en)
BR (1) BR0112218A (en)
CA (1) CA2414756A1 (en)
DE (2) DE10032884A1 (en)
IN (1) IN2003CH00017A (en)
MX (1) MX237891B (en)
MY (1) MY126819A (en)
RU (1) RU2277089C2 (en)
SA (1) SA01220361B1 (en)
TW (1) TW583181B (en)
WO (1) WO2002002544A1 (en)
ZA (1) ZA200300106B (en)

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