JPS54119412A - Purification of methacrylic acid - Google Patents

Purification of methacrylic acid

Info

Publication number
JPS54119412A
JPS54119412A JP2511178A JP2511178A JPS54119412A JP S54119412 A JPS54119412 A JP S54119412A JP 2511178 A JP2511178 A JP 2511178A JP 2511178 A JP2511178 A JP 2511178A JP S54119412 A JPS54119412 A JP S54119412A
Authority
JP
Japan
Prior art keywords
methacrylic acid
acetic acid
layer
water layer
acid
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
JP2511178A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6236022B2 (enrdf_load_stackoverflow
Inventor
Tatsuro Masuko
Shigeo Fukaya
Kazuhiko Masaoka
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Industries 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 Mitsubishi Chemical Industries Ltd filed Critical Mitsubishi Chemical Industries Ltd
Priority to JP2511178A priority Critical patent/JPS54119412A/ja
Publication of JPS54119412A publication Critical patent/JPS54119412A/ja
Publication of JPS6236022B2 publication Critical patent/JPS6236022B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP2511178A 1978-03-06 1978-03-06 Purification of methacrylic acid Granted JPS54119412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2511178A JPS54119412A (en) 1978-03-06 1978-03-06 Purification of methacrylic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2511178A JPS54119412A (en) 1978-03-06 1978-03-06 Purification of methacrylic acid

Publications (2)

Publication Number Publication Date
JPS54119412A true JPS54119412A (en) 1979-09-17
JPS6236022B2 JPS6236022B2 (enrdf_load_stackoverflow) 1987-08-05

Family

ID=12156802

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2511178A Granted JPS54119412A (en) 1978-03-06 1978-03-06 Purification of methacrylic acid

Country Status (1)

Country Link
JP (1) JPS54119412A (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2560187A1 (fr) * 1983-11-11 1985-08-30 Nippon Kayaku Kk Procede de recuperation de l'acide methacrylique
JP2009263347A (ja) * 2008-03-31 2009-11-12 Mitsubishi Chemicals Corp （メタ）アクリル酸の製造方法
CN103827071A (zh) * 2011-09-16 2014-05-28 赢创罗姆有限公司 甲基丙烯酸和甲基丙烯酸酯的制备方法
JP2014528936A (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
CN107074715A (zh) * 2014-11-19 2017-08-18 赢创罗姆有限公司 制备甲基丙烯酸的优化方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3009870U (ja) * 1994-10-05 1995-04-11 山瀧製帽有限会社 型崩れしない帽子

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4913112A (enrdf_load_stackoverflow) * 1972-06-05 1974-02-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4913112A (enrdf_load_stackoverflow) * 1972-06-05 1974-02-05

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2560187A1 (fr) * 1983-11-11 1985-08-30 Nippon Kayaku Kk Procede de recuperation de l'acide methacrylique
JP2009263347A (ja) * 2008-03-31 2009-11-12 Mitsubishi Chemicals Corp （メタ）アクリル酸の製造方法
CN103827071A (zh) * 2011-09-16 2014-05-28 赢创罗姆有限公司 甲基丙烯酸和甲基丙烯酸酯的制备方法
JP2014528935A (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
JP2014528936A (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
CN108373409A (zh) * 2011-09-16 2018-08-07 赢创罗姆有限公司 甲基丙烯酸和甲基丙烯酸酯的制备方法
CN107074715A (zh) * 2014-11-19 2017-08-18 赢创罗姆有限公司 制备甲基丙烯酸的优化方法
CN107074715B (zh) * 2014-11-19 2020-09-18 罗姆化学有限责任公司 制备甲基丙烯酸的优化方法

Also Published As

Publication number Publication date
JPS6236022B2 (enrdf_load_stackoverflow) 1987-08-05

Similar Documents

Publication Publication Date Title
JPS56109568A (en) Purification of stevia sweetening substance
ES474749A1 (es) Ÿmetodo para separar acido acrilico de una solucion acuosa de acido acrilico y acido aceticoŸ
JPS54119412A (en) Purification of methacrylic acid
JPS55104244A (en) Separation and incineration of crude olefinic unsaturated acetonitrile
JPS5353613A (en) Preparation of methacrylic acid
JPS5236621A (en) Continuous method for purifying methyl methacrylate
JPS5412304A (en) Purification of polyhydric alcohols
JPS53144524A (en) Production of methacrylic ester
JPS5239622A (en) Process for preparation of methacrylic acid
JPS5621626A (en) Recovery of volatile organic substance
JPS52153909A (en) Separation and purification of methacrylic acid
ES2026932T3 (es) Procedimiento de separacion extractiva de un acido carboxilico a partir de una solucion acuosa de dicho acido.
JPS55143927A (en) Separation of naphthoquinone and phthalic acid
JPS56110642A (en) Separating and purifying method of methacrylic acid
JPS5724324A (en) Separating method of organic acid
JPS527917A (en) Process for purification of methacrylic acid
JPS53144515A (en) Recovery of methacrolein
JPS51122690A (en) Method of separating and condensing oxygen
JPS557213A (en) Separation of isobutylene from mixed butylene
JPS5392709A (en) Treatment of crude aqueous acetone
JPS5655398A (en) Purification of glycyrrhizin
JPS52134078A (en) Separation of effective component from distillers.s solubles
JPS5679634A (en) Separation of methacrylic acid
JPS537610A (en) Preparation of nonallergic lanolin
JPS5365814A (en) Purification of acetic acid