JPS61134341A - ナフトキノンの分離法 - Google Patents

ナフトキノンの分離法

Info

Publication number
JPS61134341A
JPS61134341A JP25415384A JP25415384A JPS61134341A JP S61134341 A JPS61134341 A JP S61134341A JP 25415384 A JP25415384 A JP 25415384A JP 25415384 A JP25415384 A JP 25415384A JP S61134341 A JPS61134341 A JP S61134341A
Authority
JP
Japan
Prior art keywords
naphthoquinone
phthalic acid
organic solvent
filtrate
aqueous medium
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
JP25415384A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6320810B2 (enrdf_load_stackoverflow
Inventor
Tatsumi Komatsu
小松 立美
Toshihiko Sumino
住野 壽彦
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 JP25415384A priority Critical patent/JPS61134341A/ja
Publication of JPS61134341A publication Critical patent/JPS61134341A/ja
Publication of JPS6320810B2 publication Critical patent/JPS6320810B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP25415384A 1984-12-03 1984-12-03 ナフトキノンの分離法 Granted JPS61134341A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25415384A JPS61134341A (ja) 1984-12-03 1984-12-03 ナフトキノンの分離法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25415384A JPS61134341A (ja) 1984-12-03 1984-12-03 ナフトキノンの分離法

Publications (2)

Publication Number Publication Date
JPS61134341A true JPS61134341A (ja) 1986-06-21
JPS6320810B2 JPS6320810B2 (enrdf_load_stackoverflow) 1988-04-30

Family

ID=17260960

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25415384A Granted JPS61134341A (ja) 1984-12-03 1984-12-03 ナフトキノンの分離法

Country Status (1)

Country Link
JP (1) JPS61134341A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6320810B2 (enrdf_load_stackoverflow) 1988-04-30

Similar Documents

Publication Publication Date Title
KR0152534B1 (ko) 테레프탈산 여과액에서 불순물을 제거하기 위한 추출방법
US7282151B2 (en) Process for removal of impurities from mother liquor in the synthesis of carboxylic acid using pressure filtration
KR100658555B1 (ko) 전구체, 용매 및 메틸 아세테이트의 회수를 개선시킨 순수테레프탈산의 제조 방법
EP2292581B1 (en) Extraction process for removal of impurities from mother liquor in the synthesis of terephthalic acid
EP2450342B1 (en) Process for production of a dried carboxylic acid cake suitable for use in polyester production
US20120042752A1 (en) Terephthalic acid purge filtration rate by controlling % water in filter feed slurry
US9963413B2 (en) Terephthalic acid purge filtration rate by controlling % water in filter feed slurry
CA2807941C (en) Improving terephthalic acid purge filtration rate by controlling % water in filter feed slurry
JPS61134341A (ja) ナフトキノンの分離法
US20070038002A1 (en) Process for removal of benzoic acid from an oxidizer purge stream
US7569722B2 (en) Process for removal of benzoic acid from an oxidizer purge stream
JPS591250B2 (ja) ナフトキノンとフタル酸の分離方法
JP2697055B2 (ja) p―ヒドロキシベンズアルデヒドの製造方法
JPS6212778B2 (enrdf_load_stackoverflow)
CA2616024A1 (en) Process for removal of benzoic acid from an oxidizer purge stream
JPS591251B2 (ja) ナフトキノンとフタル酸とを分離する方法
JPS6289640A (ja) 1,4,4a,9a―テトラヒドロアントラキノンの製造方法
DE3635024A1 (de) Verfahren zur herstellung von 2,6-di(2-hydroxy-2-propyl)naphthalin
JPS622576B2 (enrdf_load_stackoverflow)
JPS609699B2 (ja) ナフトキノンとフタル酸の分離法
JPS62185038A (ja) アントラキノンの製造法
HK1167642B (en) Process for production of a dried carboxylic acid cake suitable for use in polyester production
JPS5811936B2 (ja) ナフトキノンの精製法
JPH0466465B2 (enrdf_load_stackoverflow)
JPS6052735B2 (ja) O−フエニルフエノ−ルの精製法