JPS5371677A - Treating method for waste solution containing formaldehyde, polyvinyl alcohol - Google Patents

Treating method for waste solution containing formaldehyde, polyvinyl alcohol

Info

Publication number
JPS5371677A
JPS5371677A JP14727176A JP14727176A JPS5371677A JP S5371677 A JPS5371677 A JP S5371677A JP 14727176 A JP14727176 A JP 14727176A JP 14727176 A JP14727176 A JP 14727176A JP S5371677 A JPS5371677 A JP S5371677A
Authority
JP
Japan
Prior art keywords
solution containing
polyvinyl alcohol
treating method
waste solution
containing formaldehyde
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
JP14727176A
Other languages
Japanese (ja)
Other versions
JPS5714232B2 (en
Inventor
Tatsuya Uchida
Toru Miyagi
Akira Kitamura
Nobuyoshi Katagai
Shinichi Deguchi
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.)
Kanebo Ltd
Showa Denko Materials Co Ltd
Original Assignee
Hitachi Chemical Co Ltd
Kanebo 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 Hitachi Chemical Co Ltd, Kanebo Ltd filed Critical Hitachi Chemical Co Ltd
Priority to JP14727176A priority Critical patent/JPS5371677A/en
Publication of JPS5371677A publication Critical patent/JPS5371677A/en
Publication of JPS5714232B2 publication Critical patent/JPS5714232B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Removal Of Specific Substances (AREA)

Abstract

PURPOSE: To detoxify HCHO and to remove PVA which is a source of COD by formation of a co-condensed resin urea-HCHO-PVA by addition of urea to a waste soln. contg. HCHO and PVA after pH control of the soln. at a specific value.
COPYRIGHT: (C)1978,JPO&Japio
JP14727176A 1976-12-08 1976-12-08 Treating method for waste solution containing formaldehyde, polyvinyl alcohol Granted JPS5371677A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14727176A JPS5371677A (en) 1976-12-08 1976-12-08 Treating method for waste solution containing formaldehyde, polyvinyl alcohol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14727176A JPS5371677A (en) 1976-12-08 1976-12-08 Treating method for waste solution containing formaldehyde, polyvinyl alcohol

Publications (2)

Publication Number Publication Date
JPS5371677A true JPS5371677A (en) 1978-06-26
JPS5714232B2 JPS5714232B2 (en) 1982-03-23

Family

ID=15426427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14727176A Granted JPS5371677A (en) 1976-12-08 1976-12-08 Treating method for waste solution containing formaldehyde, polyvinyl alcohol

Country Status (1)

Country Link
JP (1) JPS5371677A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0436082A2 (en) * 1990-01-05 1991-07-10 SàœD-West-Chemie Gmbh Separation of formaldehyde and/or dispersed colloids from production waste water, as well as usage of the generated precipitate
CN108948302A (en) * 2017-05-18 2018-12-07 中国石油化工股份有限公司 A kind of Lauxite and preparation method thereof
WO2020045289A1 (en) * 2018-08-28 2020-03-05 エア・ウォーター・ベルパール株式会社 Waste water treatment method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4877654A (en) * 1972-01-21 1973-10-18
JPS5198155A (en) * 1975-02-27 1976-08-28 Haiekino saishohoho

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4877654A (en) * 1972-01-21 1973-10-18
JPS5198155A (en) * 1975-02-27 1976-08-28 Haiekino saishohoho

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0436082A2 (en) * 1990-01-05 1991-07-10 SàœD-West-Chemie Gmbh Separation of formaldehyde and/or dispersed colloids from production waste water, as well as usage of the generated precipitate
EP0436082A3 (en) * 1990-01-05 1991-09-25 Sued-West-Chemie Gmbh Separation of formaldehyde and/or dispersed colloids from production waste water, as well as usage of the generated precipitate
CN108948302A (en) * 2017-05-18 2018-12-07 中国石油化工股份有限公司 A kind of Lauxite and preparation method thereof
CN108948302B (en) * 2017-05-18 2021-04-06 中国石油化工股份有限公司 Urea-formaldehyde resin and preparation method thereof
WO2020045289A1 (en) * 2018-08-28 2020-03-05 エア・ウォーター・ベルパール株式会社 Waste water treatment method

Also Published As

Publication number Publication date
JPS5714232B2 (en) 1982-03-23

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