AU639109B2 - Sulfite modified continuous digesting - Google Patents

Sulfite modified continuous digesting

Info

Publication number: AU639109B2
Authority: AU; Australia
Prior art keywords: sulfite; digester; pulp; flow; pulping
Prior art date: 1990-08-17
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 - Fee Related

Application number

AU78296/91A

Other languages

English (en)

Other versions

AU7829691A (en

Inventor

Bertil Stromberg

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.)

Kamyr Inc

Original Assignee

Kamyr 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.)

1990-08-17

Filing date

1991-06-11

Publication date

1993-07-15

1991-06-11 Application filed by Kamyr Inc filed Critical Kamyr Inc

1992-02-20 Publication of AU7829691A publication Critical patent/AU7829691A/en

1993-07-15 Application granted granted Critical

1993-07-15 Publication of AU639109B2 publication Critical patent/AU639109B2/en

2011-06-11 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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
- D21C7/00—Digesters
- 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
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites

Landscapes

Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Materials For Medical Uses (AREA)
Packages (AREA)
Micro-Organisms Or Cultivation Processes Thereof (AREA)

AU78296/91A 1990-08-17 1991-06-11 Sulfite modified continuous digesting Expired - Fee Related AU639109B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US56914290A	1990-08-17	1990-08-17
US569142		1990-08-17

Publications (2)

Publication Number	Publication Date
AU7829691A AU7829691A (en)	1992-02-20
AU639109B2 true AU639109B2 (en)	1993-07-15

Family

ID=24274268

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU78296/91A Expired - Fee Related AU639109B2 (en)	1990-08-17	1991-06-11	Sulfite modified continuous digesting

Country Status (10)

Country	Link
EP (1)	EP0471154B1 (pt)
JP (1)	JPH04240282A (pt)
AT (1)	ATE160601T1 (pt)
AU (1)	AU639109B2 (pt)
BR (1)	BR9103492A (pt)
CA (1)	CA2030090A1 (pt)
DE (1)	DE69128267T2 (pt)
FI (1)	FI913823A (pt)
NO (1)	NO913209L (pt)
ZA (1)	ZA909259B (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE102009057208A1 (de)	2009-11-27	2011-06-01	Technische Universität Dresden	Verfahren zur Herstellung von lignozellulosen Papierfaserstoffen sowie daraus gewonnene Papiere, Kartone und Pappen

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3425898A (en) *	1963-12-13	1969-02-04	Kamyr Ab	Two stage chemical digestion within a single vessel with wash between stages
US3802956A (en) *	1970-03-17	1974-04-09	Kamyr Ab	Method for impregnation of cellulosic fiber material with digesting liquor while preventing dilution of said liquor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3215588A (en) *	1963-08-15	1965-11-02	Lummus Co	Continuous impregnation, cooking, and washing of fibrous material
US3427218A (en) *	1964-07-10	1969-02-11	Kamyr Ab	Method of performing counter-current continuous cellulose digestion
US5053108A (en) *	1989-06-28	1991-10-01	Kamyr Ab	High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips

1990
- 1990-11-15 CA CA002030090A patent/CA2030090A1/en not_active Abandoned
- 1990-11-19 ZA ZA909259A patent/ZA909259B/xx unknown
1991
- 1991-05-22 EP EP91108240A patent/EP0471154B1/en not_active Expired - Lifetime
- 1991-05-22 AT AT91108240T patent/ATE160601T1/de not_active IP Right Cessation
- 1991-05-22 DE DE69128267T patent/DE69128267T2/de not_active Expired - Fee Related
- 1991-06-11 AU AU78296/91A patent/AU639109B2/en not_active Expired - Fee Related
- 1991-06-20 JP JP3148635A patent/JPH04240282A/ja not_active Withdrawn
- 1991-08-13 FI FI913823A patent/FI913823A/fi unknown
- 1991-08-15 BR BR919103492A patent/BR9103492A/pt unknown
- 1991-08-16 NO NO91913209A patent/NO913209L/no unknown

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3425898A (en) *	1963-12-13	1969-02-04	Kamyr Ab	Two stage chemical digestion within a single vessel with wash between stages
US3802956A (en) *	1970-03-17	1974-04-09	Kamyr Ab	Method for impregnation of cellulosic fiber material with digesting liquor while preventing dilution of said liquor

Also Published As

Publication number	Publication date
CA2030090A1 (en)	1992-02-18
NO913209L (no)	1992-02-18
FI913823A0 (fi)	1991-08-13
BR9103492A (pt)	1992-05-12
DE69128267T2 (de)	1998-06-18
NO913209D0 (no)	1991-08-16
EP0471154A3 (en)	1993-06-09
EP0471154B1 (en)	1997-11-26
ZA909259B (en)	1991-11-27
ATE160601T1 (de)	1997-12-15
AU7829691A (en)	1992-02-20
EP0471154A2 (en)	1992-02-19
FI913823A (fi)	1992-02-18
DE69128267D1 (de)	1998-01-08
JPH04240282A (ja)	1992-08-27

Publication	Publication Date	Title
US4155806A (en)	1979-05-22	Method for continuous alkaline delignification of lignocellulose material in two or more steps, the final of which with oxygen
EP0476230A3 (en)	1993-06-09	Extended kraft cooking with white liquor added to wash circulation
JP2796477B2 (ja)	1998-09-10	パルプ工場における白液選択酸化法と酸化白液の製法ならびに酸化反応系操作の制御法
EP0776394B1 (en)	1999-11-03	Enhancements in pulping with dissolved solids control
DE69210692D1 (de)	1996-06-20	Diskontinuierliches Verfahren zur Herstellung von Kraft-Zellstoffen
US5340440A (en)	1994-08-23	Method for recovering chemicals using recovery boiler having at least 2 different melt sections
AU639109B2 (en)	1993-07-15	Sulfite modified continuous digesting
SE0004049L (sv)	2001-11-05	Kontinuerlig kokning av massa med avdrag av begagnad koklut dels från kokaren, dels från en efterföljande tryckdiffusör
PT1205597E (pt)	2005-07-29	Processo para o cozimento continuo de pasta
US3573157A (en)	1971-03-30	Increasing the polysulfide content of an alkaline pulp impregnation liquor
EP1052326A1 (en)	2000-11-15	Use of oxidized white liquor in a kraft mill digester