MX2022015383A - Eliminacion de acetales de corrientes de procesos. - Google Patents

Eliminacion de acetales de corrientes de procesos.

Info

Publication number
MX2022015383A
MX2022015383A MX2022015383A MX2022015383A MX2022015383A MX 2022015383 A MX2022015383 A MX 2022015383A MX 2022015383 A MX2022015383 A MX 2022015383A MX 2022015383 A MX2022015383 A MX 2022015383A MX 2022015383 A MX2022015383 A MX 2022015383A
Authority
MX
Mexico
Prior art keywords
acetic acid
mass composition
less
acetals
removal
Prior art date
Application number
MX2022015383A
Other languages
English (en)
Inventor
David Lee
Ronald D Shaver
Yaw- Hwa Liu
Original Assignee
Celanese Int Corp
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
Application filed by Celanese Int Corp filed Critical Celanese Int Corp
Publication of MX2022015383A publication Critical patent/MX2022015383A/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C07C45/83—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation by extractive distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C17/00—Preparation of halogenated hydrocarbons
    • C07C17/38—Separation; Purification; Stabilisation; Use of additives
    • C07C17/383—Separation; Purification; Stabilisation; Use of additives by distillation
    • C07C17/386—Separation; Purification; Stabilisation; Use of additives by distillation with auxiliary compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C19/00—Acyclic saturated compounds containing halogen atoms
    • C07C19/07—Acyclic saturated compounds containing halogen atoms containing iodine
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C47/00—Compounds having —CHO groups
    • C07C47/02—Saturated compounds having —CHO groups bound to acyclic carbon atoms or to hydrogen
    • C07C47/06—Acetaldehyde

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Se proporciona un proceso para producir ácido acético que es capaz de disminuir la composición en masa de acetaldehído en el ácido acético; el proceso para producir ácido acético de acuerdo con la presente invención comprende al menos una etapa de destilación que satisface las siguientes condiciones de funcionamiento: i) la temperatura en una porción inferior de la columna de destilación no es inferior a 40 °C; ii) la composición en masa de agua en la corriente inferior no es inferior al 0.3 % en peso; o iii) la composición en masa de ácido acético en la corriente inferior sobre una base de porcentaje en peso es mayor que la composición en masa de ácido acético en la primera mezcla; en donde la composición en masa de metanol en la primera mezcla es inferior o igual al 2 % en peso.
MX2022015383A 2020-06-03 2021-06-03 Eliminacion de acetales de corrientes de procesos. MX2022015383A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US202063034086P 2020-06-03 2020-06-03
PCT/US2021/035689 WO2021247855A1 (en) 2020-06-03 2021-06-03 Removal of acetals from process streams

Publications (1)

Publication Number Publication Date
MX2022015383A true MX2022015383A (es) 2023-01-16

Family

ID=76797087

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2022015383A MX2022015383A (es) 2020-06-03 2021-06-03 Eliminacion de acetales de corrientes de procesos.

Country Status (8)

Country Link
US (1) US20230202955A1 (es)
EP (1) EP4161889A1 (es)
JP (1) JP2023528452A (es)
KR (1) KR20230019135A (es)
CN (1) CN115715281A (es)
MX (1) MX2022015383A (es)
TW (1) TW202212311A (es)
WO (1) WO2021247855A1 (es)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1043525C (zh) 1992-08-13 1999-06-02 化学工业部西南化工研究院 甲醇低压液相羰基合成醋酸反应方法
US5374774A (en) 1994-03-11 1994-12-20 Hoechst Celanese Corporation Control system for an acetic acid manufacturing process
JP3308392B2 (ja) 1994-06-02 2002-07-29 ダイセル化学工業株式会社 カルボニル化反応方法
AU702225B2 (en) 1995-10-27 1999-02-18 Hoechst Celanese Corporation Process for improving productivity of a carbonylation catalyst solution by removing corrosion metals
US6599348B2 (en) 2001-06-01 2003-07-29 Celanese International Corporation Methods for reducing entrainment of solids and liquids
US6677480B2 (en) 2002-01-28 2004-01-13 Celanese International Corporation Process control in production of acetic acid via use of heavy phase density measurement
US7223883B2 (en) * 2004-03-02 2007-05-29 Celanese International Corporation Removal of permanganate reducing compounds from methanol carbonylation process stream
RU2469783C2 (ru) 2008-04-29 2012-12-20 Селаниз Интернэшнл Корпорейшн Устройство для карбонилирования метанола, имеющее абсорбер с возможностью выбора из нескольких растворителей
WO2012014393A1 (en) 2010-07-26 2012-02-02 Daicel Chemical Industries, Ltd. Process for producing acetic acid
US8530696B2 (en) 2010-09-24 2013-09-10 Celanese International Corporation Pump around reactor for production of acetic acid
US8697908B2 (en) 2011-05-05 2014-04-15 Celanese International Corporation Removal of amine compounds from carbonylation process stream containing corrosion metal contaminants
US8859810B2 (en) 2012-08-21 2014-10-14 Celanese International Corporation Process for recovering permanganate reducing compounds from an acetic acid production process
CN107709279B (zh) * 2015-06-01 2021-10-08 株式会社大赛璐 乙酸的制造方法

Also Published As

Publication number Publication date
CN115715281A (zh) 2023-02-24
KR20230019135A (ko) 2023-02-07
EP4161889A1 (en) 2023-04-12
WO2021247855A1 (en) 2021-12-09
TW202212311A (zh) 2022-04-01
JP2023528452A (ja) 2023-07-04
US20230202955A1 (en) 2023-06-29

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