JPS5283443A - Separation of naphthoquinone - Google Patents

Separation of naphthoquinone

Info

Publication number
JPS5283443A
JPS5283443A JP15781075A JP15781075A JPS5283443A JP S5283443 A JPS5283443 A JP S5283443A JP 15781075 A JP15781075 A JP 15781075A JP 15781075 A JP15781075 A JP 15781075A JP S5283443 A JPS5283443 A JP S5283443A
Authority
JP
Japan
Prior art keywords
naphthoquinone
separation
naphthaline
gas phase
water
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
JP15781075A
Other languages
Japanese (ja)
Other versions
JPS5327249B2 (en
Inventor
Akira Matsuura
Yosuke Inoue
Toshio Taki
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.)
Kawasaki Kasei Chemicals Ltd
Original Assignee
Kawasaki Kasei Chemicals 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 Kawasaki Kasei Chemicals Ltd filed Critical Kawasaki Kasei Chemicals Ltd
Priority to JP15781075A priority Critical patent/JPS5283443A/en
Publication of JPS5283443A publication Critical patent/JPS5283443A/en
Publication of JPS5327249B2 publication Critical patent/JPS5327249B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

PURPOSE: To prepare high purity naphthoquinone in high yield from water-slurry containing naphthoquinone and phthalic anhydride, obtained by the gas phase oxidation of naphthaline, by the solvent extraction under specific conditions.
COPYRIGHT: (C)1977,JPO&Japio
JP15781075A 1975-12-30 1975-12-30 Separation of naphthoquinone Granted JPS5283443A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15781075A JPS5283443A (en) 1975-12-30 1975-12-30 Separation of naphthoquinone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15781075A JPS5283443A (en) 1975-12-30 1975-12-30 Separation of naphthoquinone

Publications (2)

Publication Number Publication Date
JPS5283443A true JPS5283443A (en) 1977-07-12
JPS5327249B2 JPS5327249B2 (en) 1978-08-07

Family

ID=15657773

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15781075A Granted JPS5283443A (en) 1975-12-30 1975-12-30 Separation of naphthoquinone

Country Status (1)

Country Link
JP (1) JPS5283443A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800864A1 (en) * 1978-01-10 1979-07-12 Kawasaki Kasei Chemicals Sepg. naphthoquinone and phthalic acid - from naphthalene oxidn. mixt., by neutralising acid impurity, solvent extn. and crystallisation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2800864A1 (en) * 1978-01-10 1979-07-12 Kawasaki Kasei Chemicals Sepg. naphthoquinone and phthalic acid - from naphthalene oxidn. mixt., by neutralising acid impurity, solvent extn. and crystallisation

Also Published As

Publication number Publication date
JPS5327249B2 (en) 1978-08-07

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