Abstract: Disclosed is a process for continuously reacting liquid alkylene oxide with a liquid substance including an organic compound with active hydrogen atoms and a catalyst in a reactor.
Type:
Grant
Filed:
October 12, 2011
Date of Patent:
January 26, 2016
Assignee:
Buss ChemTech AG
Inventors:
Rudolf Aigner, David Hirsch, Alfred Lagnaz
Abstract: Disclosed is a process for continuously reacting liquid alkylene oxide with a liquid substance including an organic compound with active hydrogen atoms and a catalyst in a reactor.
Type:
Application
Filed:
October 12, 2011
Publication date:
October 31, 2013
Applicant:
BUSS CHEMTECH AG
Inventors:
Rudolf Aigner, David Hirsch, Alfred Lagnaz
Abstract: A process for the manufacture of substantially pure monochloroacetic acid from a liquid chloroacetic acid mixture comprising monochloroacetic acid and dichloroacetic acid, in particular in an amount of 2 to 40 percent by weight, wherein said mixture, further mixed with a suspended hydrogenation catalyst, is mixed with hydrogen gas and the resulting mixture is brought to reaction in a reactor, which is characterized in that the reactor is a loop reactor comprising a gas and liquid recirculation system coupled via an ejector mixing nozzle, in which reactor the gas and liquid are circulated in co-current flow, and the mixing intensity introduced to the liquid phase is at least 50 W/l of liquid phase.
Type:
Grant
Filed:
August 28, 2007
Date of Patent:
January 24, 2012
Assignee:
Buss Chemtech AG
Inventors:
Roxana Stoenescu Timmermans, Gerhard Kettenbach