JPWO2021172458A1 - - Google Patents

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Publication number
JPWO2021172458A1
JPWO2021172458A1 JP2022503712A JP2022503712A JPWO2021172458A1 JP WO2021172458 A1 JPWO2021172458 A1 JP WO2021172458A1 JP 2022503712 A JP2022503712 A JP 2022503712A JP 2022503712 A JP2022503712 A JP 2022503712A JP WO2021172458 A1 JPWO2021172458 A1 JP WO2021172458A1
Authority
JP
Japan
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.)
Granted
Application number
JP2022503712A
Other versions
JP7396455B2 (ja
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.)
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Application filed filed Critical
Publication of JPWO2021172458A1 publication Critical patent/JPWO2021172458A1/ja
Application granted granted Critical
Publication of JP7396455B2 publication Critical patent/JP7396455B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/02—Crystallisation from solutions
    • 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
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/03—Monocarboxylic acids
    • C07C57/04—Acrylic acid; Methacrylic acid
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/52—Esters of acyclic unsaturated carboxylic acids having the esterified carboxyl group bound to an acyclic carbon atom
    • C07C69/533—Monocarboxylic acid esters having only one carbon-to-carbon double bond
    • C07C69/54—Acrylic acid esters; Methacrylic acid esters
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00—Indexing scheme relating to specific properties of organic compounds
    • C07B2200/13—Crystalline forms, e.g. polymorphs

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP2022503712A 2020-02-26 2021-02-25 水を含む結晶の分離方法、メタクリル酸の製造方法、及びメタクリル酸エステルの製造方法 Active JP7396455B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020030811 2020-02-26
JP2020030811 2020-02-26
PCT/JP2021/007176 WO2021172458A1 (ja) 2020-02-26 2021-02-25 水を含む結晶の分離方法、メタクリル酸の製造方法、及びメタクリル酸エステルの製造方法

Publications (2)

Publication Number Publication Date
JPWO2021172458A1 true JPWO2021172458A1 (ja) 2021-09-02
JP7396455B2 JP7396455B2 (ja) 2023-12-12

Family

ID=77490214

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022503712A Active JP7396455B2 (ja) 2020-02-26 2021-02-25 水を含む結晶の分離方法、メタクリル酸の製造方法、及びメタクリル酸エステルの製造方法

Country Status (5)

Country Link
US (1) US20220396543A1 (ja)
JP (1) JP7396455B2 (ja)
KR (1) KR20220125361A (ja)
CN (1) CN115209972A (ja)
WO (1) WO2021172458A1 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014528934A (ja) * 2011-09-16 2014-10-30 エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングＥｖｏｎｉｋ Ｒｏｅｈｍ ＧｍｂＨ メタクリル酸およびメタクリル酸エステルの製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3546210B2 (ja) * 1995-11-06 2004-07-21 帝人ファイバー株式会社 酢酸含有排水からの酢酸回収方法
JPH10298133A (ja) * 1997-04-24 1998-11-10 Teijin Ltd 酢酸の回収方法
DE19754014A1 (de) * 1997-12-05 1999-06-10 Basf Ag Verfahren zur Kristallisation von Methacrylsäure
DE10036881A1 (de) * 2000-07-28 2002-02-07 Basf Ag Verfahren zur Regelung einer Waschkolonne in einem Schmelzkristallisationsprozess und Vorrichtung zur Durchführung des Verfahrens
JP4654584B2 (ja) * 2004-03-01 2011-03-23 三菱化学株式会社 （メタ）アクリル酸エステル含有液の取り扱い方法
KR100725588B1 (ko) * 2006-04-11 2007-06-08 한밭대학교 산학협력단 초산 폐수의 처리 방법
DE102008020688B3 (de) * 2008-04-24 2009-11-05 Evonik Stockhausen Gmbh Verfahren zur Herstellung und Aufreinigung wässriger Phasen
JP6943131B2 (ja) * 2016-10-12 2021-09-29 三菱ケミカル株式会社 有機カルボン酸水溶液の製造方法および装置
CN110436690A (zh) * 2019-08-15 2019-11-12 山东开泰石化股份有限公司 一种新型的丙烯酸废水处理工艺

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014528934A (ja) * 2011-09-16 2014-10-30 エボニック レーム ゲゼルシャフト ミット ベシュレンクテル ハフツングＥｖｏｎｉｋ Ｒｏｅｈｍ ＧｍｂＨ メタクリル酸およびメタクリル酸エステルの製造方法

Also Published As

Publication number Publication date
CN115209972A (zh) 2022-10-18
KR20220125361A (ko) 2022-09-14
JP7396455B2 (ja) 2023-12-12
US20220396543A1 (en) 2022-12-15
WO2021172458A1 (ja) 2021-09-02

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