BR9408532A - Processo para a cocção contínua de polpa química - Google Patents

Processo para a cocção contínua de polpa química

Info

Publication number: BR9408532A
Authority: BR; Brazil
Prior art keywords: chemical pulp; continuous cooking; cooking; continuous; pulp
Prior art date: 1994-02-23

Application number

BR9408532A

Other languages

English (en)

Inventor

Elizabeth Andtbacka

Stig Andtbacka

Anders Bergqvist

Original Assignee

Kvaerner Pulping Tech

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.)

1994-02-23

Filing date

1994-11-28

Publication date

1997-08-05

1994-11-28 Application filed by Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech

1997-08-05 Publication of BR9408532A publication Critical patent/BR9408532A/pt

Links

229920001131 Pulp (paper) Polymers 0.000 title 1
238000010411 cooking Methods 0.000 title 1
238000000034 method Methods 0.000 title 1

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
- 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
- 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
- D21C3/24—Continuous processes

Landscapes

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

BR9408532A 1994-02-23 1994-11-28 Processo para a cocção contínua de polpa química BR9408532A (pt)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE9400616A SE501369C2 (sv)	1994-02-23	1994-02-23	Omhändertagande av kvist vid kontinuerlig kokning
PCT/SE1994/001135 WO1995023257A1 (en)	1994-02-23	1994-11-28	Recycling of knots in a continuous process for cooking chemical pulp

Publications (1)

Publication Number	Publication Date
BR9408532A true BR9408532A (pt)	1997-08-05

Family

ID=20393048

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BR9408532A BR9408532A (pt)	1994-02-23	1994-11-28	Processo para a cocção contínua de polpa química

Country Status (9)

Country	Link
US (1)	US5672245A (pt)
JP (1)	JP3723573B2 (pt)
AU (1)	AU1428495A (pt)
BR (1)	BR9408532A (pt)
CA (1)	CA2182688C (pt)
FI (1)	FI112956B (pt)
SE (1)	SE501369C2 (pt)
WO (1)	WO1995023257A1 (pt)
ZA (1)	ZA95112B (pt)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6024227A (en)	1997-08-04	2000-02-15	Ahlstrom Machinery Inc.	Tramp material removal from pulp feed systems
SE515971C2 (sv) *	2000-11-03	2001-11-05	Kvaerner Pulping Tech	Kontinuerlig kokning av massa med nettomedströmsflöde i kokarens bottenparti
SE518897C2 (sv) *	2001-04-17	2002-12-03	Lars Obitz	System och metod för matning av fibrer från ett fiberseparationssteg vid ett första tryck till ett torkningssteg vid ett andra, lägre tryck
SE525065C2 (sv) *	2003-04-17	2004-11-23	Kvaerner Pulping Tech	Förbehandling av flis med sur vätska vid ångbasning
CA2707027C (en) *	2007-12-19	2012-05-22	Fpinnovations	Conversion of knot rejects from chemical pulping
WO2011102760A1 (en) *	2010-02-17	2011-08-25	Metso Paper Sweden Ab	Method and system for recycling of rejects in a process for cooking chemical pulp
US9580864B2 (en) *	2011-08-30	2017-02-28	Valmet Ab	Kraft cooking method using polysulfide cooking liquor
CA2824076A1 (en)	2012-08-21	2014-02-21	University Of New Brunswick	System and method for reclaiming rejects in sulfite pulping
CN105084010B (zh) *	2015-08-12	2017-11-21	海南金海浆纸业有限公司	一种高压喂料器及系统
CN107022917A (zh) *	2017-05-08	2017-08-08	柯利佳	连续蒸煮器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3393121A (en) *	1965-02-05	1968-07-16	Scott Paper Co	Soda cook of acid sulfite knotter rejects
US4002528A (en) *	1972-02-18	1977-01-11	Kamyr, Inc.	Apparatus for processing pulp
US3886035A (en) *	1973-03-12	1975-05-27	Kamyr Inc	Process for separating knots from pulp
NO151123C (no) *	1975-11-06	1985-02-13	Kamyr Inc	Fremgangsmaate til fremstilling av en homogen cullulosemasse
US5401361A (en) *	1992-08-19	1995-03-28	Kamyr, Inc.	Completely coutercurrent cook continuous digester
US5302247A (en) *	1992-11-02	1994-04-12	Kamyr, Inc.	Top circulation line cooling for a modified cook digester

1994
- 1994-02-23 SE SE9400616A patent/SE501369C2/sv not_active IP Right Cessation
- 1994-11-28 WO PCT/SE1994/001135 patent/WO1995023257A1/en not_active Ceased
- 1994-11-28 AU AU14284/95A patent/AU1428495A/en not_active Abandoned
- 1994-11-28 BR BR9408532A patent/BR9408532A/pt not_active IP Right Cessation
- 1994-11-28 CA CA002182688A patent/CA2182688C/en not_active Expired - Lifetime
- 1994-11-28 US US08/530,350 patent/US5672245A/en not_active Expired - Lifetime
- 1994-11-28 JP JP52228795A patent/JP3723573B2/ja not_active Expired - Lifetime
1995
- 1995-01-09 ZA ZA95112A patent/ZA95112B/xx unknown
1996
- 1996-07-23 FI FI962938A patent/FI112956B/fi not_active IP Right Cessation

Also Published As

Publication number	Publication date
FI962938A0 (fi)	1996-07-23
JP3723573B2 (ja)	2005-12-07
FI112956B (fi)	2004-02-13
SE9400616L (sv)	1995-01-23
CA2182688C (en)	2005-04-05
ZA95112B (en)	1996-02-05
JPH09509229A (ja)	1997-09-16
AU1428495A (en)	1995-09-11
WO1995023257A1 (en)	1995-08-31
FI962938A7 (fi)	1996-07-23
CA2182688A1 (en)	1995-08-31
US5672245A (en)	1997-09-30
SE9400616D0 (sv)	1994-02-23
SE501369C2 (sv)	1995-01-23

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Legal Events

Date	Code	Title	Description
2000-07-04	FF	Decision: intention to grant
2001-02-06	TCP	Change of proprietor's name pending
2001-06-05	TC	Change of name
2001-07-10	FG9A	Patent or certificate of addition granted
2008-01-29	B25D	Requested change of name of applicant approved	Owner name: METSO FIBER KARLSTAD AB (SE) Free format text: ALTERADO DE: KVAERNER PULPING AB
2011-08-09	B25A	Requested transfer of rights approved	Owner name: METSO PAPER SWEDEN AB (SE) Free format text: TRANSFERIDO POR INCORPORACAO DE: METSO FIBER KARLSTAD AB
2015-07-21	B21A	Patent or certificate of addition expired [chapter 21.1 patent gazette]	Free format text: PATENTE EXTINTA EM 28/11/2014
2017-04-04	B25E	Requested change of name of applicant rejected	Owner name: METSO PAPER SWEDEN AB (SE)
2017-04-18	B25H	Request for change of headquarter rejected	Owner name: METSO PAPER SWEDEN AB (SE)