CA1210907A - Methode de digestion continue d'un materiau a base de cellulose dechiquetee - Google Patents

Methode de digestion continue d'un materiau a base de cellulose dechiquetee

Info

Publication number: CA1210907A
Authority: CA; Canada
Prior art keywords: liquor; zone; impregnation; flow; chips
Prior art date: 1982-12-14
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

CA000443128A

Other languages

English (en)

Inventor

Per H. Ostman

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.)

Ekono Oy

Original Assignee

Ekono Oy

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.)

1982-12-14

Filing date

1983-12-13

Publication date

1986-09-09

1983-12-13 Application filed by Ekono Oy filed Critical Ekono Oy

1986-09-09 Application granted granted Critical

1986-09-09 Publication of CA1210907A publication Critical patent/CA1210907A/fr

Status Expired legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 23
239000000463 material Substances 0.000 title claims abstract description 15
230000029087 digestion Effects 0.000 title claims abstract description 6
229920002678 cellulose Polymers 0.000 title claims abstract description 5
239000001913 cellulose Substances 0.000 title claims abstract description 5
238000005470 impregnation Methods 0.000 claims abstract description 80
238000010438 heat treatment Methods 0.000 claims abstract description 10
230000001105 regulatory effect Effects 0.000 claims abstract description 10
239000007788 liquid Substances 0.000 claims abstract description 3
238000007600 charging Methods 0.000 claims description 31
230000033228 biological regulation Effects 0.000 claims description 7
230000032258 transport Effects 0.000 claims description 6
208000036366 Sensation of pressure Diseases 0.000 claims description 5
238000000605 extraction Methods 0.000 claims description 5
239000000126 substance Substances 0.000 abstract description 10
238000005406 washing Methods 0.000 abstract description 5
239000002023 wood Substances 0.000 abstract description 3
238000010411 cooking Methods 0.000 description 18
238000012856 packing Methods 0.000 description 4
238000006243 chemical reaction Methods 0.000 description 3
230000002844 continuous effect Effects 0.000 description 2
238000001816 cooling Methods 0.000 description 2
238000007599 discharging Methods 0.000 description 2
241001510071 Pyrrhocoridae Species 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
238000009835 boiling Methods 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
238000009792 diffusion process Methods 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
239000012530 fluid Substances 0.000 description 1
229920005610 lignin Polymers 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
238000004519 manufacturing process Methods 0.000 description 1
239000011343 solid material Substances 0.000 description 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes

Landscapes

Paper (AREA)
Processes Of Treating Macromolecular Substances (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

CA000443128A 1982-12-14 1983-12-13 Methode de digestion continue d'un materiau a base de cellulose dechiquetee Expired CA1210907A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI824282		1982-12-14
FI824282A FI66215C (fi)	1982-12-14	1982-12-14	Saett vid kontinuerlig uppslutning av finfoerdelat cellulosahaltigt material

Publications (1)

Publication Number	Publication Date
CA1210907A true CA1210907A (fr)	1986-09-09

Family

ID=8516450

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000443128A Expired CA1210907A (fr)	1982-12-14	1983-12-13	Methode de digestion continue d'un materiau a base de cellulose dechiquetee

Country Status (12)

Country	Link
JP (1)	JPS59137589A (fr)
AT (1)	AT384631B (fr)
AU (1)	AU548448B2 (fr)
BR (1)	BR8306977A (fr)
CA (1)	CA1210907A (fr)
DE (1)	DE3344865C2 (fr)
FI (1)	FI66215C (fr)
FR (1)	FR2537621B1 (fr)
NO (1)	NO161927C (fr)
SE (1)	SE452175C (fr)
SU (1)	SU1475491A3 (fr)
ZA (1)	ZA838909B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5958181A (en) *	1997-08-07	1999-09-28	Ahlstrom Machinery, Inc.	Continuous cooking with a two-stage cool impregnation
US6179958B1 (en)	1996-02-09	2001-01-30	Kvaerner Pulping Ab	Method for continuous cooking of cellulose-containing fibre material

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7556713B2 (en) *	2004-06-22	2009-07-07	Andritz, Inc.	Method and system for feeding cellulose chips to a high pressure continuous cooking system
RU2447216C1 (ru) *	2011-01-17	2012-04-10	Тарантин Сергей Анатольевич	Способ делигнификации древесной щепы при производстве целлюлозы
JP5786087B2 (ja) *	2011-03-25	2015-09-30	ヴァルメトアクチボラグ	ダウンフロー容器内のセルロース材料に処理液を添加する方法及び装置
FI127712B (fi) *	2016-04-22	2018-12-31	Andritz Oy	Menetelmä ja järjestely prosessihöyryn tuottamiseksi

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1907001A1 (de) *	1968-02-13	1969-09-11	Sunds Ab	Verfahren und Vorrichtung zum Erwaermen von Fasermaterial
SE343344B (fr) *	1970-06-29	1972-03-06	Kamyr Ab
CA1002361A (en) *	1973-01-03	1976-12-28	James R. Prough	Digester control process and apparatus
US4071399A (en) *	1976-09-01	1978-01-31	Kamyr, Inc.	Apparatus and method for the displacement impregnation of cellulosic chips material

1982
- 1982-12-14 FI FI824282A patent/FI66215C/sv not_active IP Right Cessation
1983
- 1983-11-30 ZA ZA838909A patent/ZA838909B/xx unknown
- 1983-11-30 AU AU21847/83A patent/AU548448B2/en not_active Ceased
- 1983-12-05 NO NO834466A patent/NO161927C/no unknown
- 1983-12-07 AT AT0427983A patent/AT384631B/de not_active IP Right Cessation
- 1983-12-12 DE DE3344865A patent/DE3344865C2/de not_active Expired
- 1983-12-12 FR FR8319839A patent/FR2537621B1/fr not_active Expired
- 1983-12-12 SE SE8306853A patent/SE452175C/sv not_active IP Right Cessation
- 1983-12-13 SU SU833677056A patent/SU1475491A3/ru active
- 1983-12-13 JP JP58234907A patent/JPS59137589A/ja active Granted
- 1983-12-13 CA CA000443128A patent/CA1210907A/fr not_active Expired
- 1983-12-14 BR BR8306977A patent/BR8306977A/pt not_active IP Right Cessation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6179958B1 (en)	1996-02-09	2001-01-30	Kvaerner Pulping Ab	Method for continuous cooking of cellulose-containing fibre material
US5958181A (en) *	1997-08-07	1999-09-28	Ahlstrom Machinery, Inc.	Continuous cooking with a two-stage cool impregnation

Also Published As

Publication number	Publication date
SU1475491A3 (ru)	1989-04-23
SE452175B (sv)	1987-11-16
FI66215B (fi)	1984-05-31
AT384631B (de)	1987-12-10
JPS59137589A (ja)	1984-08-07
NO834466L (no)	1984-06-15
SE8306853L (sv)	1984-06-15
FR2537621A1 (fr)	1984-06-15
ZA838909B (en)	1984-07-25
FR2537621B1 (fr)	1985-11-22
DE3344865A1 (de)	1984-06-14
SE452175C (sv)	1990-03-26
BR8306977A (pt)	1984-07-24
AU2184783A (en)	1984-06-21
AU548448B2 (en)	1985-12-12
NO161927B (no)	1989-07-03
SE8306853D0 (sv)	1983-12-12
FI824282A0 (fi)	1982-12-14
ATA427983A (de)	1987-05-15
FI66215C (fi)	1984-09-10
NO161927C (no)	1989-10-11
JPS6347836B2 (fr)	1988-09-26
DE3344865C2 (de)	1985-09-19

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Legal Events

Date	Code	Title	Description
2003-12-13	MKEX	Expiry