JP2025527380A - 高純度(メタ)アクリル酸の製造方法 - Google Patents

高純度(メタ)アクリル酸の製造方法

Info

Publication number
JP2025527380A
JP2025527380A JP2024525178A JP2024525178A JP2025527380A JP 2025527380 A JP2025527380 A JP 2025527380A JP 2024525178 A JP2024525178 A JP 2024525178A JP 2024525178 A JP2024525178 A JP 2024525178A JP 2025527380 A JP2025527380 A JP 2025527380A
Authority
JP
Japan
Prior art keywords
meth
acrylic acid
absorption tower
absorption
tower
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP2024525178A
Other languages
English (en)
Japanese (ja)
Other versions
JP2025527380A5 (https=
Inventor
ユ、ソン-チン
チャン、キョン-ス
イ、ソン-キュ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Chem Ltd
Original Assignee
LG Chem Ltd
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
Priority claimed from KR1020230106990A external-priority patent/KR20240031050A/ko
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Publication of JP2025527380A publication Critical patent/JP2025527380A/ja
Publication of JP2025527380A5 publication Critical patent/JP2025527380A5/ja
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/43Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/47Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/43Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP2024525178A 2022-08-30 2023-08-24 高純度(メタ)アクリル酸の製造方法 Pending JP2025527380A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR20220109412 2022-08-30
KR10-2022-0109412 2022-08-30
KR1020230106990A KR20240031050A (ko) 2022-08-30 2023-08-16 고순도 아크릴산의 제조방법
KR10-2023-0106990 2023-08-16
PCT/KR2023/012550 WO2024049101A1 (ko) 2022-08-30 2023-08-24 고순도 (메트)아크릴산의 제조방법

Publications (2)

Publication Number Publication Date
JP2025527380A true JP2025527380A (ja) 2025-08-22
JP2025527380A5 JP2025527380A5 (https=) 2026-03-06

Family

ID=90098287

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024525178A Pending JP2025527380A (ja) 2022-08-30 2023-08-24 高純度(メタ)アクリル酸の製造方法

Country Status (4)

Country Link
US (1) US20250197340A1 (https=)
EP (1) EP4491606A4 (https=)
JP (1) JP2025527380A (https=)
WO (1) WO2024049101A1 (https=)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19606877A1 (de) * 1996-02-23 1997-08-28 Basf Ag Verfahren zur Reinigung von Acrylsäure und Methacrylsäure
DE19833049A1 (de) * 1998-07-22 2000-01-27 Basf Ag Verfahren zur Herstellung von Acrylsäure
US7183428B2 (en) * 2003-06-05 2007-02-27 Nippon Shokubai Co., Inc. Method for production of acrylic acid
KR100999428B1 (ko) * 2006-01-20 2010-12-09 니폰 쇼쿠바이 컴파니 리미티드 (메타)아크릴산의 제조 방법
BR112013022304B1 (pt) * 2011-03-11 2020-01-28 Lg Chemical Ltd método de recuperação contínua de ácido (met)acrílico
KR101757372B1 (ko) * 2014-09-11 2017-07-12 주식회사 엘지화학 고순도 아크릴산의 제조방법
KR20160032994A (ko) * 2014-09-17 2016-03-25 주식회사 엘지화학 (메트)아크릴산의 회수 방법 및 회수 장치
CN110678440B (zh) * 2017-05-25 2022-07-01 株式会社日本触媒 (甲基)丙烯酸的制备方法

Also Published As

Publication number Publication date
EP4491606A4 (en) 2025-11-19
EP4491606A1 (en) 2025-01-15
WO2024049101A1 (ko) 2024-03-07
US20250197340A1 (en) 2025-06-19

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