JPS54141721A - Preparation of methacrylic acid - Google Patents

Preparation of methacrylic acid

Info

Publication number
JPS54141721A
JPS54141721A JP4848278A JP4848278A JPS54141721A JP S54141721 A JPS54141721 A JP S54141721A JP 4848278 A JP4848278 A JP 4848278A JP 4848278 A JP4848278 A JP 4848278A JP S54141721 A JPS54141721 A JP S54141721A
Authority
JP
Japan
Prior art keywords
methacrylic acid
methacrolein
absorbing
unreacted
oxidation
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.)
Granted
Application number
JP4848278A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6160061B2 (enrdf_load_stackoverflow
Inventor
Akihisa Yamamoto
Kinichi Okumura
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.)
Zeon Corp
Original Assignee
Nippon Zeon Co 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
Application filed by Nippon Zeon Co Ltd filed Critical Nippon Zeon Co Ltd
Priority to JP4848278A priority Critical patent/JPS54141721A/ja
Priority to GB7914215A priority patent/GB2024201B/en
Publication of JPS54141721A publication Critical patent/JPS54141721A/ja
Publication of JPS6160061B2 publication Critical patent/JPS6160061B2/ja
Granted 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
    • C07C51/16Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP4848278A 1978-04-24 1978-04-24 Preparation of methacrylic acid Granted JPS54141721A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP4848278A JPS54141721A (en) 1978-04-24 1978-04-24 Preparation of methacrylic acid
GB7914215A GB2024201B (en) 1978-04-24 1979-04-24 Process for producing methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4848278A JPS54141721A (en) 1978-04-24 1978-04-24 Preparation of methacrylic acid

Publications (2)

Publication Number Publication Date
JPS54141721A true JPS54141721A (en) 1979-11-05
JPS6160061B2 JPS6160061B2 (enrdf_load_stackoverflow) 1986-12-19

Family

ID=12804597

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4848278A Granted JPS54141721A (en) 1978-04-24 1978-04-24 Preparation of methacrylic acid

Country Status (2)

Country Link
JP (1) JPS54141721A (enrdf_load_stackoverflow)
GB (1) GB2024201B (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003238485A (ja) * 2001-12-10 2003-08-27 Nippon Shokubai Co Ltd (メタ)アクリル酸の捕集方法および装置
WO2005051877A1 (ja) * 2003-11-28 2005-06-09 Mitsubishi Chemical Corporation (メタ)アクロレイン又は(メタ)アクリル酸の捕集方法及び捕集装置
JP2005179354A (ja) * 2003-11-28 2005-07-07 Mitsubishi Chemicals Corp (メタ)アクロレイン又は(メタ)アクリル酸の捕集方法及び捕集装置
JP2016145251A (ja) * 2007-02-14 2016-08-12 サウディ ベーシック インダストリーズ コーポレイション イソブテンの部分酸化による気相生成物においてメタクリル酸からメタクロレインを分離する方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3721865A1 (de) * 1987-07-02 1989-01-12 Basf Ag Verfahren zur herstellung von methacrylsaeure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003238485A (ja) * 2001-12-10 2003-08-27 Nippon Shokubai Co Ltd (メタ)アクリル酸の捕集方法および装置
WO2005051877A1 (ja) * 2003-11-28 2005-06-09 Mitsubishi Chemical Corporation (メタ)アクロレイン又は(メタ)アクリル酸の捕集方法及び捕集装置
JP2005179354A (ja) * 2003-11-28 2005-07-07 Mitsubishi Chemicals Corp (メタ)アクロレイン又は(メタ)アクリル酸の捕集方法及び捕集装置
US7786323B2 (en) 2003-11-28 2010-08-31 Mitsubishi Chemical Corporation Method for collecting (meth)acrolein or (meth)acrylic acid and collecting device for the same
JP2016145251A (ja) * 2007-02-14 2016-08-12 サウディ ベーシック インダストリーズ コーポレイション イソブテンの部分酸化による気相生成物においてメタクリル酸からメタクロレインを分離する方法

Also Published As

Publication number Publication date
GB2024201B (en) 1982-09-02
JPS6160061B2 (enrdf_load_stackoverflow) 1986-12-19
GB2024201A (en) 1980-01-09

Similar Documents

Publication Publication Date Title
KR850001723A (ko) p-크실렌으로부터 테레프탈산의 제조방법
JPS5673041A (en) Preparation of acrylic acid
US2574644A (en) Recovery of polycarboxylic acid anhydrides
ES2064912T3 (es) Procedimiento para producir acido isoftalico de elevada pureza.
GB1390090A (en) Recovering anhydrous acrylic acid
JPS5517309A (en) Preparation of high purity terephthalic acid
JPS5337636A (en) Production of terphthalic acid
JPS5223589A (en) Catalyst for producing alpha,beta-unsaturaded carboxylic acid
IE42680L (en) Process for the preparation of propylene oxide
GB2004886A (en) Separation of methacrolein and/or methacrylic acid from a gaseous mixture
DE60012546D1 (de) Verfahren zur reinigung von durch oxidation von propylen und/oder acrolein hergestellten acrylsäure
JPS54141721A (en) Preparation of methacrylic acid
US4062928A (en) Process for the preparation of nitric acid
JPS57102835A (en) Preparation of acetic acid from ethanol or acetaldehyde
JPS5564579A (en) Preparation of ethylene oxide
JPS5732246A (en) Recovery of acetic acid
JPS54103817A (en) Continuous production of oxalic ester
JPS55100333A (en) Preparation of methacrylic acid
JPS54115318A (en) Recovery of methacrylic acid
JPS5513255A (en) Preparation of terephthalic acid
GB1453766A (en) Production of concentrated aqueous solutions of formaldehyde
JPS54154726A (en) Recovery of terephthalic acid
JPS57136547A (en) Preparation of terephthalic acid for direct polymerization
JPS643180A (en) Production of phthalic anhydride
JPH0615496B2 (ja) アクリル酸の製造方法