NO149552C - Fremgangsmaate for behandling av lignocelluloseholdig fibermasse - Google Patents

Fremgangsmaate for behandling av lignocelluloseholdig fibermasse

Info

Publication number: NO149552C
Authority: NO; Norway
Prior art keywords: lignocellulose; procedure; treatment; fiber mass; contained fiber
Prior art date: 1976-04-28

Application number

NO771460A

Other languages

English (en)

Norwegian (no)

Other versions

NO771460L (no

NO149552B (no

Inventor

Johan Gullichsen

Frey Viking Sundman

Original Assignee

Kamyr Ab

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.)

1976-04-28

Filing date

1977-04-27

Publication date

1984-05-09

1977-04-27 Application filed by Kamyr Ab filed Critical Kamyr Ab

1977-10-31 Publication of NO771460L publication Critical patent/NO771460L/no

1984-01-30 Publication of NO149552B publication Critical patent/NO149552B/no

1984-05-09 Publication of NO149552C publication Critical patent/NO149552C/no

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
- D21C9/1026—Other features in bleaching processes
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

NO771460A 1976-04-28 1977-04-27 Fremgangsmaate for behandling av lignocelluloseholdig fibermasse NO149552C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FI761171A FI55878C (fi)	1976-04-28	1976-04-28	Foerfarande foer behandling av lignocellulosamaterial med klor

Publications (3)

Publication Number	Publication Date
NO771460L NO771460L (no)	1977-10-31
NO149552B NO149552B (no)	1984-01-30
NO149552C true NO149552C (no)	1984-05-09

Family

ID=8509954

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO771460A NO149552C (no)	1976-04-28	1977-04-27	Fremgangsmaate for behandling av lignocelluloseholdig fibermasse

Country Status (9)

Country	Link
US (1)	US4222818A (fi)
JP (1)	JPS6044438B2 (fi)
BR (1)	BR7702604A (fi)
CA (1)	CA1118161A (fi)
DE (1)	DE2718398C3 (fi)
FI (1)	FI55878C (fi)
FR (1)	FR2349677A1 (fi)
NO (1)	NO149552C (fi)
SE (1)	SE7704081L (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2016118411A1 (en)	2015-01-21	2016-07-28	Resinate Materials Group, Inc.	High recycle content polyols from thermoplastic polyesters and lignin or tannin

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2046551A (en) *	1931-09-08	1936-07-07	David B Davies	Process of bleaching chemical wood pulp
US2127765A (en) *	1937-07-23	1938-08-23	Niagara Alkali Company	Bleaching pulp
US2730426A (en) *	1951-06-20	1956-01-10	Cellulose Dev Corp Ltd	Treating vegetable fibrous material with chlorine gas
GB770753A (en) *	1952-12-31	1957-03-27	Edwards & Co London Ltd W	Improvements in or relating to apparatus for the vaporisation of metals and metalloids
US3298900A (en) *	1963-03-22	1967-01-17	Kamyr Ab	Method and apparatus for the continuous bleaching of cellulosic pulp
SE340216B (fi) *	1967-11-06	1971-11-08	Kamyr Ab
US3802958A (en) *	1968-11-07	1974-04-09	Mo Och Domsjoe Ab	Chlorination of cellulose pulp
SE334286B (fi) *	1968-12-05	1971-04-19	Mo Och Domsjoe Ab
US3966542A (en) *	1974-09-20	1976-06-29	General Signal Corporation	Multi-stage bleaching of pulp using successively lower power levels
SE389351B (sv) *	1975-03-14	1976-11-01	Kamyr Ab	Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration.

1976
- 1976-04-28 FI FI761171A patent/FI55878C/fi not_active IP Right Cessation
1977
- 1977-04-06 SE SE7704081A patent/SE7704081L/ not_active Application Discontinuation
- 1977-04-21 FR FR7711992A patent/FR2349677A1/fr active Granted
- 1977-04-25 JP JP52046900A patent/JPS6044438B2/ja not_active Expired
- 1977-04-25 BR BR7702604A patent/BR7702604A/pt unknown
- 1977-04-26 DE DE2718398A patent/DE2718398C3/de not_active Expired
- 1977-04-27 NO NO771460A patent/NO149552C/no unknown
- 1977-04-27 CA CA000277155A patent/CA1118161A/en not_active Expired
1978
- 1978-07-03 US US05/921,370 patent/US4222818A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
BR7702604A (pt)	1978-03-28
FR2349677B1 (fi)	1981-03-27
DE2718398A1 (de)	1977-11-03
CA1118161A (en)	1982-02-16
FI55878B (fi)	1979-06-29
SE7704081L (sv)	1977-10-29
DE2718398B2 (de)	1978-07-06
FI55878C (fi)	1979-10-10
JPS52132103A (en)	1977-11-05
JPS6044438B2 (ja)	1985-10-03
DE2718398C3 (de)	1979-03-15
NO771460L (no)	1977-10-31
NO149552B (no)	1984-01-30
US4222818A (en)	1980-09-16
FR2349677A1 (fr)	1977-11-25
FI761171A (fi)	1977-10-29

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