JPS537657A - Concentration and separation of naphthalene-1,3,6,-trisulfonic acid - Google Patents

Concentration and separation of naphthalene-1,3,6,-trisulfonic acid

Info

Publication number
JPS537657A
JPS537657A JP8073476A JP8073476A JPS537657A JP S537657 A JPS537657 A JP S537657A JP 8073476 A JP8073476 A JP 8073476A JP 8073476 A JP8073476 A JP 8073476A JP S537657 A JPS537657 A JP S537657A
Authority
JP
Japan
Prior art keywords
naphthalene
separation
concentration
trisulfonic acid
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
JP8073476A
Other languages
Japanese (ja)
Other versions
JPS5926618B2 (en
Inventor
Yoji Korenaga
Hiroshi Hida
Hiromichi Okabe
Norio Kodera
Masatoshi Kamigaki
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.)
Sumitomo Chemical Co Ltd
Original Assignee
Sumitomo Chemical 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 Sumitomo Chemical Co Ltd filed Critical Sumitomo Chemical Co Ltd
Priority to JP8073476A priority Critical patent/JPS5926618B2/en
Priority to DE19772730157 priority patent/DE2730157C2/en
Priority to GB2808077A priority patent/GB1554671A/en
Publication of JPS537657A publication Critical patent/JPS537657A/en
Publication of JPS5926618B2 publication Critical patent/JPS5926618B2/en
Expired legal-status Critical Current

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

Abstract

PURPOSE: To effectively concentrate and separate naphthalene-1,3,6-trisulfonic acid, useful as intermediates of H acid, sulfonation mixture of naphthalene under conditions of specific relationship between residence time and temperature using a liquid-film distillation column.
COPYRIGHT: (C)1978,JPO&Japio
JP8073476A 1976-07-06 1976-07-06 Concentration separation method for naphthalene-1,3,6-trisulfonic acid Expired JPS5926618B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP8073476A JPS5926618B2 (en) 1976-07-06 1976-07-06 Concentration separation method for naphthalene-1,3,6-trisulfonic acid
DE19772730157 DE2730157C2 (en) 1976-07-06 1977-07-04 Process for the preparation of naphthalene-1,3,6-trisulfonic acid by trisulfonation of naphthalene and separation of the excess sulfuric acid from the trisulfonation reaction mixture
GB2808077A GB1554671A (en) 1976-07-06 1977-07-05 Preparation for separating sulphuric acid from naphtalene-1,3,6,trisulphonic acid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8073476A JPS5926618B2 (en) 1976-07-06 1976-07-06 Concentration separation method for naphthalene-1,3,6-trisulfonic acid

Publications (2)

Publication Number Publication Date
JPS537657A true JPS537657A (en) 1978-01-24
JPS5926618B2 JPS5926618B2 (en) 1984-06-29

Family

ID=13726601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8073476A Expired JPS5926618B2 (en) 1976-07-06 1976-07-06 Concentration separation method for naphthalene-1,3,6-trisulfonic acid

Country Status (1)

Country Link
JP (1) JPS5926618B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH049651U (en) * 1990-05-17 1992-01-28

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61109430U (en) * 1984-12-24 1986-07-11

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH049651U (en) * 1990-05-17 1992-01-28

Also Published As

Publication number Publication date
JPS5926618B2 (en) 1984-06-29

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