JP2025527379A - 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
JP2025527379A
JP2025527379A JP2024525176A JP2024525176A JP2025527379A JP 2025527379 A JP2025527379 A JP 2025527379A JP 2024525176 A JP2024525176 A JP 2024525176A JP 2024525176 A JP2024525176 A JP 2024525176A JP 2025527379 A JP2025527379 A JP 2025527379A
Authority
JP
Japan
Prior art keywords
meth
acrylic acid
tower
water
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
JP2024525176A
Other languages
English (en)
Japanese (ja)
Other versions
JP2025527379A5 (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 KR1020230107015A external-priority patent/KR20240031052A/ko
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Publication of JP2025527379A publication Critical patent/JP2025527379A/ja
Publication of JP2025527379A5 publication Critical patent/JP2025527379A5/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
    • C07C51/43—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP2024525176A 2022-08-30 2023-08-24 高純度（メタ）アクリル酸の製造方法 Pending JP2025527379A (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR20220109449 2022-08-30
KR10-2022-0109449 2022-08-30
KR10-2023-0107015 2023-08-16
KR1020230107015A KR20240031052A (ko) 2022-08-30 2023-08-16 고순도 아크릴산의 제조방법
PCT/KR2023/012556 WO2024049103A1 (ko) 2022-08-30 2023-08-24 고순도 (메트)아크릴산의 제조방법

Publications (2)

Publication Number Publication Date
JP2025527379A true JP2025527379A (ja) 2025-08-22
JP2025527379A5 JP2025527379A5 (https=) 2026-03-09

Family

ID=90098291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024525176A Pending JP2025527379A (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) US20250011271A1 (https=)
EP (1) EP4491607A4 (https=)
JP (1) JP2025527379A (https=)
WO (1) WO2024049103A1 (https=)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
KR100999428B1 (ko) * 2006-01-20 2010-12-09 니폰 쇼쿠바이 컴파니 리미티드 (메타)아크릴산의 제조 방법
KR101546464B1 (ko) * 2012-08-03 2015-08-21 주식회사 엘지화학 (메트)아크릴산의 연속 회수 방법 및 회수 장치
KR101757372B1 (ko) * 2014-09-11 2017-07-12 주식회사 엘지화학 고순도 아크릴산의 제조방법

Also Published As

Publication number Publication date
WO2024049103A1 (ko) 2024-03-07
US20250011271A1 (en) 2025-01-09
EP4491607A1 (en) 2025-01-15
EP4491607A4 (en) 2025-11-19

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