JP2025527383A - 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
JP2025527383A
JP2025527383A JP2024525181A JP2024525181A JP2025527383A JP 2025527383 A JP2025527383 A JP 2025527383A JP 2024525181 A JP2024525181 A JP 2024525181A JP 2024525181 A JP2024525181 A JP 2024525181A JP 2025527383 A JP2025527383 A JP 2025527383A
Authority
JP
Japan
Prior art keywords
meth
acrylic acid
tower
solvent
discharge stream
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
JP2024525181A
Other languages
English (en)
Japanese (ja)
Other versions
JP2025527383A5 (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 KR1020230107080A external-priority patent/KR20240031055A/ko
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Publication of JP2025527383A publication Critical patent/JP2025527383A/ja
Publication of JP2025527383A5 publication Critical patent/JP2025527383A5/ja
Pending legal-status Critical Current

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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • 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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

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)
JP2024525181A 2022-08-30 2023-08-24 高純度（メタ）アクリル酸の製造方法 Pending JP2025527383A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR20220109527 2022-08-30
KR10-2022-0109527 2022-08-30
KR10-2023-0107080 2023-08-16
KR1020230107080A KR20240031055A (ko) 2022-08-30 2023-08-16 고순도 아크릴산의 제조방법
PCT/KR2023/012565 WO2024049107A1 (ko) 2022-08-30 2023-08-24 고순도 (메트)아크릴산의 제조방법

Publications (2)

Publication Number Publication Date
JP2025527383A true JP2025527383A (ja) 2025-08-22
JP2025527383A5 JP2025527383A5 (https=) 2026-03-09

Family

ID=90098302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024525181A Pending JP2025527383A (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) US20250162971A1 (https=)
EP (1) EP4491610A4 (https=)
JP (1) JP2025527383A (https=)
WO (1) WO2024049107A1 (https=)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4440518B2 (ja) * 2002-07-16 2010-03-24 株式会社日本触媒 アクリル酸の製造方法
US7183428B2 (en) * 2003-06-05 2007-02-27 Nippon Shokubai Co., Inc. Method for production of acrylic acid
JP5715318B2 (ja) * 2005-12-06 2015-05-07 株式会社日本触媒 アクリル酸の製造方法
KR100932467B1 (ko) * 2005-12-06 2009-12-17 니폰 쇼쿠바이 컴파니 리미티드 아크릴산의 제조방법
JP5821660B2 (ja) * 2012-01-25 2015-11-24 三菱化学株式会社 （メタ）アクリル酸の製造方法
WO2017188220A1 (ja) * 2016-04-28 2017-11-02 三菱ケミカル株式会社 メタクリル酸の精製方法及び製造方法

Also Published As

Publication number Publication date
EP4491610A1 (en) 2025-01-15
EP4491610A4 (en) 2025-11-19
US20250162971A1 (en) 2025-05-22
WO2024049107A1 (ko) 2024-03-07

Similar Documents

Publication Publication Date Title
US11033834B2 (en) Method of continuous recovery of (meth)acrylic acid and apparatus for the method
JP2019508477A (ja) （メタ）アクリル酸の回収方法
US11034642B2 (en) Method and apparatus for continuously recovering (meth)acrylic acid
US20160145185A1 (en) Method for continuous recovering (meth)acrylic acid and apparatus for the method
US9902679B2 (en) Recovery method and recovery device for (meth) acrylic acid
KR101828000B1 (ko) (메트)아크릴산의 회수 방법 및 회수 장치
JP2004149421A (ja) ジメチルアミド化合物とカルボン酸を蒸留分離する方法及びその装置
US10035751B2 (en) Process for continuously recovering (meth)acrylic acid and apparatus for the process
JP2025527383A (ja) 高純度（メタ）アクリル酸の製造方法
JP2025527382A (ja) 高純度（メタ）アクリル酸の製造方法
JP2025527381A (ja) 高純度（メタ）アクリル酸の製造方法
JP2025527379A (ja) 高純度（メタ）アクリル酸の製造方法
KR20240031054A (ko) 고순도 아크릴산의 제조방법
KR20240031056A (ko) 고순도 아크릴산의 제조방법
KR20240031055A (ko) 고순도 아크릴산의 제조방법
KR20240031053A (ko) 고순도 아크릴산의 제조방법
KR20240031052A (ko) 고순도 아크릴산의 제조방법
RU2855524C2 (ru) Способ получения (мет)акриловой кислоты высокой чистоты
US9962625B2 (en) Process for continuously recovering (meth)acrylic acid and apparatus for the process
CN118201901A (zh) 制备高纯度(甲基)丙烯酸的方法
CN118234701A (zh) 制备高纯度(甲基)丙烯酸的方法
CN118201903A (zh) 制备高纯度(甲基)丙烯酸的方法
EP4491606A1 (en) Method for preparation of high purity (meth)acrylic acid
CN118201902A (zh) 高纯度(甲基)丙烯酸的制备方法
KR20240031050A (ko) 고순도 아크릴산의 제조방법

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20260226

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20260226