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1. CN102112187 - Alkylene oxide recovery systems

Office
China
Application Number 200980129833.5
Application Date 24.07.2009
Publication Number 102112187
Publication Date 29.06.2011
Grant Number 102112187
Grant Date 28.08.2013
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
B01D 3/20
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
16Fractionating columns in which vapour bubbles through liquid
18with horizontal bubble plates
20Bubble caps; Risers for vapour; Discharge pipes for liquid
C07D 301/32
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
DHETEROCYCLIC COMPOUNDS
301Preparation of oxiranes
32Separation; Purification
B01D 3/22
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
16Fractionating columns in which vapour bubbles through liquid
22with horizontal sieve plates or grids; Construction of sieve plates or grids
B01D 3/42
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
42Regulation; Control
B01D 5/00
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
5Condensation of vapours; Recovering volatile solvents by condensation
CPC
B01D 5/0063
BPERFORMING OPERATIONS; TRANSPORTING
01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
DSEPARATION
5Condensation of vapours; Recovering volatile solvents by condensation
0057in combination with other processes
006with evaporation or distillation
0063Reflux condensation
Applicants 陶氏技术投资有限公司
Inventors 约翰·F·苏尔
詹姆斯·H·麦凯恩
弗洛伊德·L·普费弗
哈维·E·安德烈森
菲利普·R·费尔柴尔德
肯特·E·纽曼
Agents 中科专利商标代理有限责任公司 11021
Priority Data 61/137,494 31.07.2008 US
Title
(EN) Alkylene oxide recovery systems
(ZH) 环氧烷回收系统
Abstract
(EN) Embodiments of the present disclosure include processes and systems for recovering alkylene oxide. System embodiments include a stripping section located in an alkylene oxide recovery column to convert a feed stream comprising to a first gas phase portion comprising alkylene oxide, a condensing zone comprising at 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.
(ZH)

本公开内容的实施方案包括用于回收环氧烷的方法和系统。系统实施方案包括:汽提部,其位于环氧烷回收塔中,用于将进料流转化成包含环氧烷的第一气相部分;冷凝区,其至少包括以串联方式配置的第一冷凝器和第二冷凝器;和再吸收区域,其位于在所述至少两个冷凝器的最后一个的上方的所述环氧烷回收塔中。