SA518391324B1 - عمليات لتنقية حمض أسيتيك وتميؤ أنهيدريد - Google Patents

عمليات لتنقية حمض أسيتيك وتميؤ أنهيدريد

Info

Publication number
SA518391324B1
SA518391324B1 SA518391324A SA518391324A SA518391324B1 SA 518391324 B1 SA518391324 B1 SA 518391324B1 SA 518391324 A SA518391324 A SA 518391324A SA 518391324 A SA518391324 A SA 518391324A SA 518391324 B1 SA518391324 B1 SA 518391324B1
Authority
SA
Saudi Arabia
Prior art keywords
acetic acid
anhydride
processes
hydrating
purifying acetic
Prior art date
Application number
SA518391324A
Other languages
English (en)
Inventor
دي شافر رونالد
او سكاتس مارك
ليو ياو-هوا
Original Assignee
سيلانيز انترناشونال كوربوريشن
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 سيلانيز انترناشونال كوربوريشن filed Critical سيلانيز انترناشونال كوربوريشن
Publication of SA518391324B1 publication Critical patent/SA518391324B1/ar

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/083—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid anhydrides
    • C07C51/087—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid anhydrides by hydrolysis
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/10—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide
    • C07C51/12—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction with carbon monoxide on an oxygen-containing group in organic compounds, e.g. alcohols
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/08—Acetic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
    • C07C53/12—Acetic anhydride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

Abstract

يتعلق الاختراع الحالي بعمليات لتنقية حمض أسيتيك acetic acid بواسطة تقطير distilling تيار عملية في عمود يتكون فيه أنهيدريد حمض أسيتيك acetic anhydride في الجزء السفلي من العمود. يشتمل تيار المنتج المسحوب product stream withdrawn من العمود على حمض أسيتيك، وماء بتركيز لا يزيد عن 0.2% بالوزن، وأنهيدريد حمض أسيتيك acetic anhydride بتركيز لا يزيد عن 600 جزء في المليون بالوزن. تشتمل العملية أيضاً على تميؤ hydrating أنهيدريد حمض الأسيتيك في تيار المنتج لتكوين منتج حمض أسيتيك منقى purified acetic acid product يشتمل على أنهيدريد حمض أسيتيك بتركيز لا يزيد عن 50 جزء في المليون بالوزن. شكل 1.
SA518391324A 2015-11-13 2018-04-11 عمليات لتنقية حمض أسيتيك وتميؤ أنهيدريد SA518391324B1 (ar)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201562255060P 2015-11-13 2015-11-13
US15/348,466 US9908835B2 (en) 2015-11-13 2016-11-10 Processes for purifying acetic and hydrating anhydride
PCT/US2016/061570 WO2017083677A1 (en) 2015-11-13 2016-11-11 Processes for purifying acetic acid and hydrating anhydride

Publications (1)

Publication Number Publication Date
SA518391324B1 true SA518391324B1 (ar) 2022-04-24

Family

ID=58692007

Family Applications (1)

Application Number Title Priority Date Filing Date
SA518391324A SA518391324B1 (ar) 2015-11-13 2018-04-11 عمليات لتنقية حمض أسيتيك وتميؤ أنهيدريد

Country Status (11)

Country Link
US (4) US9908835B2 (ar)
EP (1) EP3374341B1 (ar)
JP (1) JP6821672B2 (ar)
KR (2) KR20240074922A (ar)
CN (1) CN108349864B (ar)
MX (2) MX2018005281A (ar)
MY (1) MY183686A (ar)
RS (1) RS60055B1 (ar)
SA (1) SA518391324B1 (ar)
SG (1) SG11201802071XA (ar)
WO (1) WO2017083677A1 (ar)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9908835B2 (en) * 2015-11-13 2018-03-06 Celanese International Corporation Processes for purifying acetic and hydrating anhydride
CN114307252B (zh) * 2021-12-30 2022-09-20 南京工业大学 一种利用准二维色谱法分离糖和酸的工艺
CN116606204B (zh) * 2023-07-17 2023-10-20 成都普什医药塑料包装有限公司 低色度醋酐与醋酸纤维素用回收醋酸及其回收方法和应用

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Also Published As

Publication number Publication date
JP2018533555A (ja) 2018-11-15
RS60055B1 (sr) 2020-04-30
EP3374341B1 (en) 2020-01-01
US10689319B2 (en) 2020-06-23
CN108349864B (zh) 2021-04-13
US20190055184A1 (en) 2019-02-21
KR20240074922A (ko) 2024-05-28
CN108349864A (zh) 2018-07-31
US20180141890A1 (en) 2018-05-24
MX2023004496A (es) 2023-05-10
JP6821672B2 (ja) 2021-01-27
EP3374341A1 (en) 2018-09-19
KR20180081708A (ko) 2018-07-17
US10899696B2 (en) 2021-01-26
MY183686A (en) 2021-03-08
US9908835B2 (en) 2018-03-06
SG11201802071XA (en) 2018-05-30
US20200247743A1 (en) 2020-08-06
US20170137364A1 (en) 2017-05-18
US10160714B2 (en) 2018-12-25
KR102669186B1 (ko) 2024-05-23
WO2017083677A1 (en) 2017-05-18
MX2018005281A (es) 2018-06-22

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