JPS52148204A - Lignin separation and bleaching of lignocellulose pulp slurry with ozone - Google Patents

Lignin separation and bleaching of lignocellulose pulp slurry with ozone

Info

Publication number
JPS52148204A
JPS52148204A JP5701077A JP5701077A JPS52148204A JP S52148204 A JPS52148204 A JP S52148204A JP 5701077 A JP5701077 A JP 5701077A JP 5701077 A JP5701077 A JP 5701077A JP S52148204 A JPS52148204 A JP S52148204A
Authority
JP
Japan
Prior art keywords
bleaching
ozone
pulp slurry
lignin separation
lignocellulose pulp
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.)
Pending
Application number
JP5701077A
Other languages
English (en)
Inventor
Uiriamu Kemupu Aasaa
Basubii Fuiritsupus Richiyaado
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.)
International Paper Co
Original Assignee
International Paper Co
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
Priority claimed from US05/705,869 external-priority patent/US4080249A/en
Application filed by International Paper Co filed Critical International Paper Co
Publication of JPS52148204A publication Critical patent/JPS52148204A/ja
Pending legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1073—Bleaching ; Apparatus therefor with O3
JP5701077A 1976-06-02 1977-05-17 Lignin separation and bleaching of lignocellulose pulp slurry with ozone Pending JPS52148204A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US69206276A 1976-06-02 1976-06-02
US05/705,869 US4080249A (en) 1976-06-02 1976-07-16 Delignification and bleaching of a lignocellulosic pulp slurry with ozone

Publications (1)

Publication Number Publication Date
JPS52148204A true JPS52148204A (en) 1977-12-09

Family

ID=27104896

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5701077A Pending JPS52148204A (en) 1976-06-02 1977-05-17 Lignin separation and bleaching of lignocellulose pulp slurry with ozone

Country Status (9)

Country Link
JP (1) JPS52148204A (ja)
AU (1) AU509882B2 (ja)
BR (1) BR7703256A (ja)
CA (1) CA1090510A (ja)
FI (1) FI62362C (ja)
FR (1) FR2353674A1 (ja)
NO (1) NO771468L (ja)
NZ (1) NZ184228A (ja)
SE (1) SE415492B (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5679797A (en) * 1979-11-30 1981-06-30 Weyerhaeuser Co Bleaching of cellulose fiber
JPH0197290A (ja) * 1987-09-17 1989-04-14 Degremont Sa 木質セルロース材料特には紙パルプのオゾン処理方法とこの方法を実施する反応器
JPH05500243A (ja) * 1990-05-17 1993-01-21 ユニオン　キャンプ　コーポレイション リグノセルロース物質の環境上改良された漂白方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2475084A1 (fr) * 1979-11-23 1981-08-07 Weyerhaeuser Co Delignification par l'ozone a faible consistance
ES2041828T3 (es) * 1988-01-25 1993-12-01 Acetocell Gmbh & Co. Kg Procedimiento para el tratamiento de masa de celulosa conteniendo lignina, con ozono.
FI89516B (fi) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
AU636173B2 (en) * 1989-10-30 1993-04-22 Lenzing Aktiengesellschaft Method for the chlorine-free bleaching of pulps

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5679797A (en) * 1979-11-30 1981-06-30 Weyerhaeuser Co Bleaching of cellulose fiber
JPH0197290A (ja) * 1987-09-17 1989-04-14 Degremont Sa 木質セルロース材料特には紙パルプのオゾン処理方法とこの方法を実施する反応器
JPH05500243A (ja) * 1990-05-17 1993-01-21 ユニオン　キャンプ　コーポレイション リグノセルロース物質の環境上改良された漂白方法

Also Published As

Publication number Publication date
AU509882B2 (en) 1980-05-29
BR7703256A (pt) 1978-01-31
SE415492B (sv) 1980-10-06
FI771500A (ja) 1977-12-03
SE7706371L (sv) 1977-12-03
FI62362C (fi) 1982-12-10
CA1090510A (en) 1980-12-02
NO771468L (no) 1977-12-05
NZ184228A (en) 1980-04-28
FI62362B (fi) 1982-08-31
FR2353674A1 (fr) 1977-12-30
AU2465177A (en) 1978-11-02

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