JPS5725492A - Hydrogen peroxide refiner bleaching of high yield pulp - Google Patents

Hydrogen peroxide refiner bleaching of high yield pulp

Info

Publication number
JPS5725492A
JPS5725492A JP9714780A JP9714780A JPS5725492A JP S5725492 A JPS5725492 A JP S5725492A JP 9714780 A JP9714780 A JP 9714780A JP 9714780 A JP9714780 A JP 9714780A JP S5725492 A JPS5725492 A JP S5725492A
Authority
JP
Japan
Prior art keywords
hydrogen peroxide
high yield
yield pulp
refiner bleaching
peroxide refiner
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
JP9714780A
Other languages
Japanese (ja)
Other versions
JPS6358958B2 (en
Inventor
Minoru Yotsuya
Isao Tanaka
Tetsuo Koshizuka
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 Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
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 Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Priority to JP9714780A priority Critical patent/JPS5725492A/en
Publication of JPS5725492A publication Critical patent/JPS5725492A/en
Publication of JPS6358958B2 publication Critical patent/JPS6358958B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Paper (AREA)
JP9714780A 1980-07-16 1980-07-16 Hydrogen peroxide refiner bleaching of high yield pulp Granted JPS5725492A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9714780A JPS5725492A (en) 1980-07-16 1980-07-16 Hydrogen peroxide refiner bleaching of high yield pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9714780A JPS5725492A (en) 1980-07-16 1980-07-16 Hydrogen peroxide refiner bleaching of high yield pulp

Publications (2)

Publication Number Publication Date
JPS5725492A true JPS5725492A (en) 1982-02-10
JPS6358958B2 JPS6358958B2 (en) 1988-11-17

Family

ID=14184454

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9714780A Granted JPS5725492A (en) 1980-07-16 1980-07-16 Hydrogen peroxide refiner bleaching of high yield pulp

Country Status (1)

Country Link
JP (1) JPS5725492A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5169495A (en) * 1990-04-30 1992-12-08 Atochem Process for bleaching high yield pulp with hydrogen peroxide by adjusting the alkalinity during bleaching with sodium hydroxide
US5296100A (en) * 1990-04-30 1994-03-22 Atochem H2 O2 /alkaline bleaching of wood pulps
JP2007521404A (en) * 2003-10-02 2007-08-02 アンドリッツ インコーポレーテッド Multi-stage mechanical pulping method using alkaline peroxide with refiner blow line treatment

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5270102A (en) * 1975-12-05 1977-06-10 Mitsubishi Gas Chemical Co Process for bleaching pulp with peroxides
JPS5365401A (en) * 1976-11-23 1978-06-10 Defibrator Ab Method and apparatus for continuously producing pulp from fibrous lignocellulose material
JPS53130308A (en) * 1977-04-18 1978-11-14 Mo Och Domsjoe Ab Bleaching of high yield pulp by peroxide

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5270102A (en) * 1975-12-05 1977-06-10 Mitsubishi Gas Chemical Co Process for bleaching pulp with peroxides
JPS5365401A (en) * 1976-11-23 1978-06-10 Defibrator Ab Method and apparatus for continuously producing pulp from fibrous lignocellulose material
JPS53130308A (en) * 1977-04-18 1978-11-14 Mo Och Domsjoe Ab Bleaching of high yield pulp by peroxide

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5169495A (en) * 1990-04-30 1992-12-08 Atochem Process for bleaching high yield pulp with hydrogen peroxide by adjusting the alkalinity during bleaching with sodium hydroxide
US5296100A (en) * 1990-04-30 1994-03-22 Atochem H2 O2 /alkaline bleaching of wood pulps
JP2007521404A (en) * 2003-10-02 2007-08-02 アンドリッツ インコーポレーテッド Multi-stage mechanical pulping method using alkaline peroxide with refiner blow line treatment

Also Published As

Publication number Publication date
JPS6358958B2 (en) 1988-11-17

Similar Documents

Publication Publication Date Title
ZA876920B (en) Process for the bleaching of cellulosic pulps using hydrogen peroxide
JPS53130308A (en) Bleaching of high yield pulp by peroxide
JPS5725490A (en) Bleaching of cellulose pulp by oxygen gas
JPS56169889A (en) Oxygen bleaching method of cellulose pulp
NO178936C (en) Hydrogen peroxide bleaching of high yield pulp
JPS5721591A (en) Peroxide bleaching of wood pulp
JPS5721589A (en) Bleaching of cellulose pulp by oxygen gas
JPS55103362A (en) Bleaching of fibrous substance by hydrogen peroxide
JPS5685488A (en) Hydrogen peroxide refiner bleaching method of pulp
JPS5725492A (en) Hydrogen peroxide refiner bleaching of high yield pulp
JPS56169890A (en) Hydrogen peroxide refiner bleaching of high yield pulp
JPS564791A (en) Bleaching of mechanical pulp
JPS5545806A (en) Peroxide bleaching method of wood pulp
JPS575992A (en) Bleaching of high yield pulp by peroxide
JPS5725491A (en) Hydrogen peroxide refiner bleaching of high yield pulp
JPS55158394A (en) Peroxygen bleaching method of wood pulp
AU568112B2 (en) Bleaching and washing of mechanical cellulose pulp
JPS56169859A (en) Bleaching of fiber substance by hydrogen peroxide
JPS5725471A (en) Bleaching of flber substance with hydrogen peroxide
JPS53143704A (en) Production of pulp bleached by peroxide
JPS5580589A (en) Production of peroxide bleached pulp
JPS5725470A (en) Bleaching of flber substance with hydrogen peroxide
JPS57112488A (en) Peroxide bleaching of pulp
JPS5725472A (en) Bleaching of fiber substance by hydrogen peoroxide
JPS56169891A (en) Peroxide bleaching of mechanical pulp