ATA178875A - METHOD FOR DELIGNIFYING LIGNOCELLULOSE CONTAINING MATERIAL - Google Patents

METHOD FOR DELIGNIFYING LIGNOCELLULOSE CONTAINING MATERIAL

Info

Publication number: ATA178875A
Authority: AT; Austria
Prior art keywords: containing material; lignocellulose containing; delignifying; delignifying lignocellulose; lignocellulose
Prior art date: 1974-03-14

Application number

AT178875A

Other languages

German (de)

Other versions

AT345658B (en

Original Assignee

Mo Och Domsjoe 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.)

1974-03-14

Filing date

1975-03-07

Publication date

1978-01-15

1975-03-07 Application filed by Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab

1978-01-15 Publication of ATA178875A publication Critical patent/ATA178875A/en

1978-09-25 Application granted granted Critical

1978-09-25 Publication of AT345658B publication Critical patent/AT345658B/en

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
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Compounds Of Unknown Constitution (AREA)
Processing Of Solid Wastes (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

AT178875A 1974-03-14 1975-03-07 METHOD FOR DELIGNIFYING LIGNOCELLULOSE CONTAINING MATERIAL AT345658B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7403451A SE380298B (en)	1974-03-14	1974-03-14	PROCEDURE FOR DELIGNIFICATION BY ACID-ALKALI TREATMENT OF LIGNOCELLUOSA-CONTAINING MATERIAL

Publications (2)

Publication Number	Publication Date
ATA178875A true ATA178875A (en)	1978-01-15
AT345658B AT345658B (en)	1978-09-25

Family

ID=20320524

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT178875A AT345658B (en)	1974-03-14	1975-03-07	METHOD FOR DELIGNIFYING LIGNOCELLULOSE CONTAINING MATERIAL

Country Status (13)

Country	Link
JP (1)	JPS522002B2 (en)
AT (1)	AT345658B (en)
BR (1)	BR7501339A (en)
CA (1)	CA1039908A (en)
CH (1)	CH606601A5 (en)
DE (1)	DE2509746C3 (en)
FI (1)	FI750635A (en)
FR (1)	FR2264125B1 (en)
GB (1)	GB1500011A (en)
IT (1)	IT1030236B (en)
NO (1)	NO140605C (en)
SE (1)	SE380298B (en)
ZA (1)	ZA751266B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE7601935L (en) *	1975-06-30	1976-12-31	Int Paper Co	WAY TO BLEACH LIGNINCELLULOSAMASSA
JPS6134314A (en) *	1984-07-25	1986-02-18	Kawasaki Heavy Ind Ltd	internal combustion engine
AU591509B2 (en) *	1985-08-05	1989-12-07	Interox Societe Anonyme	Process for the delignification of cellulosic substances
IN167959B (en) *	1985-08-05	1991-01-12	Interox
FI122654B (en) *	1997-12-08	2012-05-15	Ovivo Luxembourg Sarl	Process for making paper cellulose pulp
US20100159515A1 (en) *	2008-12-19	2010-06-24	E.I. Du Pont De Nemours And Company	Oxidative pretreatment of biomass to enhance enzymatic saccharification

1974
- 1974-03-14 SE SE7403451A patent/SE380298B/en not_active IP Right Cessation
1975
- 1975-02-27 IT IT67508/75A patent/IT1030236B/en active
- 1975-02-28 ZA ZA00751266A patent/ZA751266B/en unknown
- 1975-03-04 CH CH270175A patent/CH606601A5/xx not_active IP Right Cessation
- 1975-03-05 FI FI750635A patent/FI750635A/fi not_active Application Discontinuation
- 1975-03-06 GB GB9446/75A patent/GB1500011A/en not_active Expired
- 1975-03-06 JP JP50027940A patent/JPS522002B2/ja not_active Expired
- 1975-03-06 BR BR1339/75A patent/BR7501339A/en unknown
- 1975-03-06 NO NO750744A patent/NO140605C/en unknown
- 1975-03-06 DE DE2509746A patent/DE2509746C3/en not_active Expired
- 1975-03-07 CA CA221,564A patent/CA1039908A/en not_active Expired
- 1975-03-07 FR FR7507206A patent/FR2264125B1/fr not_active Expired
- 1975-03-07 AT AT178875A patent/AT345658B/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE2509746C3 (en)	1978-04-27
DE2509746A1 (en)	1975-09-25
CA1039908A (en)	1978-10-10
CH606601A5 (en)	1978-11-15
FR2264125A1 (en)	1975-10-10
FR2264125B1 (en)	1977-11-18
AT345658B (en)	1978-09-25
FI750635A (en)	1975-09-15
JPS522002B2 (en)	1977-01-19
NO140605B (en)	1979-06-25
GB1500011A (en)	1978-02-08
BR7501339A (en)	1975-12-09
IT1030236B (en)	1979-03-30
SE7403451L (en)	1975-09-15
DE2509746B2 (en)	1977-08-18
NO750744L (en)	1975-09-16
SE380298B (en)	1975-11-03
JPS50121501A (en)	1975-09-23
NO140605C (en)	1979-10-03
ZA751266B (en)	1976-01-28

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Legal Events

Date	Code	Title
1981-10-15	ELJ	Ceased due to non-payment of the annual fee
2000-01-15	UEP	Publication of translation of european patent specification
2001-03-15	REN	Ceased due to non-payment of the annual fee