AU499100B2

AU499100B2 – Regeneration of spent delignification liquor
– Google Patents

AU499100B2 – Regeneration of spent delignification liquor
– Google Patents
Regeneration of spent delignification liquor

Info

Publication number
AU499100B2

AU499100B2
AU17122/76A
AU1712276A
AU499100B2
AU 499100 B2
AU499100 B2
AU 499100B2
AU 17122/76 A
AU17122/76 A
AU 17122/76A
AU 1712276 A
AU1712276 A
AU 1712276A
AU 499100 B2
AU499100 B2
AU 499100B2
Authority
AU
Australia
Prior art keywords
spent
regeneration
delignification liquor
delignification
liquor
Prior art date
1975-09-02
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.)

Expired

Application number
AU17122/76A
Other versions

AU1712276A
(en

Inventor
J Janson
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.)

Ahlstrom Corp

Original Assignee
KESKUSLABORATORIO
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.)
1975-09-02
Filing date
1976-08-25
Publication date
1979-04-05

1976-08-25
Application filed by KESKUSLABORATORIO
filed
Critical
KESKUSLABORATORIO

1978-03-02
Publication of AU1712276A
publication
Critical
patent/AU1712276A/en

1979-04-05
Application granted
granted
Critical

1979-04-05
Publication of AU499100B2
publication
Critical
patent/AU499100B2/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

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

D21C9/1068—Bleaching ; Apparatus therefor with O2

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

D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides

AU17122/76A
1975-09-02
1976-08-25
Regeneration of spent delignification liquor

Expired

AU499100B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

FIFI752463

1975-09-02

FI752463A

FI53141C
(en)

1975-09-02
1975-09-02

Publications (2)

Publication Number
Publication Date

AU1712276A

AU1712276A
(en)

1978-03-02

AU499100B2
true

AU499100B2
(en)

1979-04-05

Family
ID=8509408
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU17122/76A
Expired

AU499100B2
(en)

1975-09-02
1976-08-25
Regeneration of spent delignification liquor

Country Status (8)

Country
Link

US
(1)

US4116759A
(en)

AU
(1)

AU499100B2
(en)

BR
(1)

BR7605508A
(en)

CA
(1)

CA1087355A
(en)

FI
(1)

FI53141C
(en)

NO
(1)

NO150807C
(en)

NZ
(1)

NZ181792A
(en)

SE
(1)

SE7609675L
(en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US4248662A
(en)

*

1979-01-22
1981-02-03
The Black Clawson Company
Oxygen pulping with recycled liquor

US6348128B1
(en)

*

1998-06-01
2002-02-19
U.S. Borax Inc.
Method of increasing the causticizing efficiency of alkaline pulping liquor by borate addition

US6294048B1
(en)

1998-06-01
2001-09-25
U.S. Borax Inc.
Method for regenerating sodium hydroxide by partial autocausticizing sodium carbonate containing smelt by reaction with a borate

US6635147B1
(en)

*

2000-05-14
2003-10-21
U.S. Borax Inc.
Method for analyzing boron-containing alkaline pulping liquors

WO2001088258A1
(en)

2000-05-16
2001-11-22
Massachusetts Institute Of Technology
Thermal conversion of biomass to valuable fuels, chemical feedstocks and chemicals

FI115227B
(en)

*

2002-01-23
2005-03-31
Rinheat Oy

A method for bleaching mechanically defibrated pulp

SE0202711D0
(en)

*

2002-09-12
2002-09-12
Kiram Ab

Alkaline process for the manufacture of pulp using alkali metaborate as buffering alkali

US20050076568A1
(en)

*

2003-10-09
2005-04-14
Stigsson Lars Lennart
Partial oxidation of cellulose spent pulping liquor

CN101066516B
(en)

*

2007-06-06
2011-04-20
华东理工大学
Decarbonizing solution comprising borate

FI124685B
(en)

*

2009-08-18
2014-12-15
Metsä Board Oyj

A process for the production of sodium hydroxide from a waste stream for the production of pulp

CN114763680A
(en)

*

2021-01-15
2022-07-19
中国石油天然气股份有限公司
Method for removing lignin from lignocellulosic feedstocks

Family Cites Families (9)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US1730383A
(en)

*

1929-10-08

of berlin

US1643826A
(en)

*

1923-12-22
1927-09-27
Bertrand S Summers
Process for making paper pulp

BE379996A
(en)

*

1930-07-24

US1935580A
(en)

*

1930-09-06
1933-11-14
Brown Co
Processing of cellulose fiber

US2601110A
(en)

*

1945-06-14
1952-06-17
Ontario Paper Co Ltd
Pulping lignocellulose with sodium aluminate

CA553349A
(en)

*

1950-10-04
1958-02-18
C. Harris George
Pulping process

CA632280A
(en)

*

1958-07-02
1961-12-05
Kimberly-Clark Corporation
Manufacture of bleached cellulosic products resistant to brightness reversion

GB1229269A
(en)

*

1968-02-02
1971-04-21

US3661699A
(en)

*

1970-12-21
1972-05-09
American Cyanamid Co
Bleaching of lignin-containing cellulose materials such as pulp

1975

1975-09-02
FI
FI752463A
patent/FI53141C/fi
not_active
IP Right Cessation

1976

1976-08-17
NZ
NZ181792A
patent/NZ181792A/en
unknown

1976-08-23
BR
BR7605508A
patent/BR7605508A/en
unknown

1976-08-25
AU
AU17122/76A
patent/AU499100B2/en
not_active
Expired

1976-08-30
NO
NO762969A
patent/NO150807C/en
unknown

1976-08-31
US
US05/719,139
patent/US4116759A/en
not_active
Expired – Lifetime

1976-09-01
CA
CA260,318A
patent/CA1087355A/en
not_active
Expired

1976-09-01
SE
SE7609675A
patent/SE7609675L/en
unknown

Also Published As

Publication number
Publication date

FI53141C
(en)

1978-02-10

US4116759A
(en)

1978-09-26

AU1712276A
(en)

1978-03-02

CA1087355A
(en)

1980-10-14

NO762969L
(en)

1977-03-03

SE7609675L
(en)

1977-03-03

NO150807C
(en)

1985-01-02

NZ181792A
(en)

1979-01-11

FI752463A
(en)

1977-03-03

BR7605508A
(en)

1977-08-16

NO150807B
(en)

1984-09-10

FI53141B
(en)

1977-10-31

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