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1. IN592/CHENP/2011 - ALKYLENE OXIDE RECOVERY SYSTEMS

Office
India
Application Number 592/CHENP/2011
Application Date 28.01.2011
Publication Number 592/CHENP/2011
Publication Date 25.11.2011
Grant Number 290325
Grant Date 08.12.2017
Publication Kind B
IPC
B01D 3/14
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
3Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
14Fractional distillation
Applicants DOW TECHNOLOGY INVESTMENTS LLC
Inventors SZUL, JOHN F.
MCCAIN, JAMES, H.
PFEFFER, FLOYD, L.
ANDRESEN, HARVEY, E.
FAIRCHILD, PHILLIP, R.
NEWMAN, KENT, E.
Title
(EN) ALKYLENE OXIDE RECOVERY SYSTEMS
Abstract
(EN) Embodiments of the present disclosure include processes and systems for recovering alkylene oxide. System embodiments include a stripping section located in alkylene oxide recovery column to convert a feed stream comprising to a first gas phase portion comprising alkylene oxide, a condensing zone comprising it least a first condenser and a second condenser configured in series, and a reabsorption region located in the alkylene oxide recovery column above the last of the at least two condensers.
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