EP 2220016 A1 20100825 - METHOD FOR PRODUCING ISOPROPANOL AND 2-BUTANOL FROM THE CORRESPONDING ALKANES
Title (en)
METHOD FOR PRODUCING ISOPROPANOL AND 2-BUTANOL FROM THE CORRESPONDING ALKANES
Title (de)
VERFAHREN ZUR HERSTELLUNG VON ISOPROPANOL UND 2-BUTANOL AUS DEN ENTSPRECHENDEN ALKANEN
Title (fr)
PROCÉDÉ POUR PRODUIRE DE L'ISOPROPANOL ET DU 2-BUTANOL À PARTIR D'ALCANES ADÉQUATS
Publication
Application
Priority
- EP 2008067109 W 20081209
- EP 07122740 A 20071210
- EP 08859972 A 20081209
Abstract (en)
[origin: WO2009074574A1] The invention relates to a method for producing alcohols (I), selected from isopropanol and 2-butanol, from the corresponding alkanes (II), selected from propane and n-butane, comprising the steps: A) a feed stream a, comprising the alkane (II) is prepared, B) the feed stream a, comprising the alkane (II) is introduced into a dehydrogenation zone and the alkane (II) subjected to a dehydrogenation to give the alkene (III), wherein a product gas stream b containing the alkene (III), unreacted alkane (II), optional high-boilers, steam, hydrogen and low-boilers is obtained, C) the product gas stream b is at least compressed, the product gas stream b is optionally separated into an aqueous phase c1, a phase c2, comprising the alkene (III), the alkane (II) and optionally high-boilers and a gas phase c3, comprising hydrogen and low-boilers, D) the product gas stream b and/or the phase c2, comprising the alkene (III) and alkane (II) is reacted in an esterification zone with an alkanoic acid (IV) having 3 or more carbon atoms, wherein a product mixture d, comprising the corresponding alkyl ester (V) of the alkanoic acid and the unreacted alkane (II) is obtained, E) a gas stream e1 comprising an alkane (II) is separated off from the product mixture d, optionally recycled back to the dehydrogenation zone and a product mixture e2, comprising the alkyl ester (V) is obtained; F) the product mixture e2, comprising the alkyl ester (V) is reacted with water in an ester cleavage zone to give a product mixture f containing the alcohol (I) and the alkanoic acid (IV), G) the alcohol (I) and the alkanoic acid (IV) are separated off from the product mixture f and the alkanoic acid optionally recycled to the esterification zone.
IPC 8 full level
C07C 29/09 (2006.01); C07C 5/333 (2006.01); C07C 11/06 (2006.01); C07C 11/08 (2006.01); C07C 31/10 (2006.01); C07C 31/12 (2006.01); C07C 51/09 (2006.01); C07C 53/02 (2006.01); C07C 53/08 (2006.01); C07C 67/04 (2006.01); C07C 69/06 (2006.01); C07C 69/14 (2006.01)
CPC (source: EP)
C07C 5/333 (2013.01); C07C 5/48 (2013.01); C07C 29/095 (2013.01); C07C 67/04 (2013.01); Y02P 20/10 (2015.11)
C-Set (source: EP)
Citation (search report)
See references of WO 2009074574A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
WO 2009074574 A1 20090618; CN 101896448 A 20101124; EP 2220016 A1 20100825; JP 2011506385 A 20110303; KR 20100096149 A 20100901
DOCDB simple family (application)
EP 2008067109 W 20081209; CN 200880120146 A 20081209; EP 08859972 A 20081209; JP 2010537418 A 20081209; KR 20107012636 A 20081209