CA1056637A - Epaississeur de ligno-cellulose a l'admission du recipient a vapeur sous pression - Google Patents

Epaississeur de ligno-cellulose a l'admission du recipient a vapeur sous pression

Info

Publication number: CA1056637A
Authority: CA; Canada
Prior art keywords: reaction vessel; steam; dewatering; pulp material; aqueous suspension
Prior art date: 1976-04-08
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

CA275,816A

Other languages

English (en)

Inventor

Rolf B. Reinhall

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.)

Individual

Original Assignee

Individual

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.)

1976-04-08

Filing date

1977-04-07

Publication date

1979-06-19

1977-04-07 Application filed by Individual filed Critical Individual

1979-06-19 Application granted granted Critical

1979-06-19 Publication of CA1056637A publication Critical patent/CA1056637A/fr

Status Expired legal-status Critical Current

Links

239000000463 material Substances 0.000 title claims abstract description 27
238000006243 chemical reaction Methods 0.000 title claims abstract description 20
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 15
239000007900 aqueous suspension Substances 0.000 title abstract description 7
239000000725 suspension Substances 0.000 claims description 5
239000007858 starting material Substances 0.000 abstract description 8
239000000835 fiber Substances 0.000 abstract description 5
241000609240 Ambelania acida Species 0.000 abstract description 3
239000010905 bagasse Substances 0.000 abstract description 3
239000000126 substance Substances 0.000 abstract description 3
239000002023 wood Substances 0.000 abstract description 3
XPFVYQJUAUNWIW-UHFFFAOYSA-N furfuryl alcohol Chemical compound OCC1=CC=CO1 XPFVYQJUAUNWIW-UHFFFAOYSA-N 0.000 abstract description 2
230000015572 biosynthetic process Effects 0.000 abstract 1
238000004326 stimulated echo acquisition mode for imaging Methods 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 description 3
239000001913 cellulose Substances 0.000 description 2
229920002678 cellulose Polymers 0.000 description 2
208000028659 discharge Diseases 0.000 description 2
238000010438 heat treatment Methods 0.000 description 2
238000000034 method Methods 0.000 description 2
238000005406 washing Methods 0.000 description 2
GRYSXUXXBDSYRT-WOUKDFQISA-N (2r,3r,4r,5r)-2-(hydroxymethyl)-4-methoxy-5-[6-(methylamino)purin-9-yl]oxolan-3-ol Chemical compound C1=NC=2C(NC)=NC=NC=2N1[C@@H]1O[C@H](CO)[C@@H](O)[C@H]1OC GRYSXUXXBDSYRT-WOUKDFQISA-N 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
240000000111 Saccharum officinarum Species 0.000 description 1
235000007201 Saccharum officinarum Nutrition 0.000 description 1
208000036366 Sensation of pressure Diseases 0.000 description 1
239000011111 cardboard Substances 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000004891 communication Methods 0.000 description 1
230000006854 communication Effects 0.000 description 1
239000000470 constituent Substances 0.000 description 1
230000007062 hydrolysis Effects 0.000 description 1
238000006460 hydrolysis reaction Methods 0.000 description 1
238000009434 installation Methods 0.000 description 1
239000011087 paperboard Substances 0.000 description 1
239000002245 particle Substances 0.000 description 1
239000010902 straw 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
- D21C7/00—Digesters
- D21C7/06—Feeding devices

Landscapes

Paper (AREA)
Dry Formation Of Fiberboard And The Like (AREA)

CA275,816A 1976-04-08 1977-04-07 Epaississeur de ligno-cellulose a l'admission du recipient a vapeur sous pression Expired CA1056637A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7604167A SE7604167L (sv)	1976-04-08	1976-04-08	Anordning for behandling av lignocellulosahaltigt material i ett undertryck staende reaktionskerl

Publications (1)

Publication Number	Publication Date
CA1056637A true CA1056637A (fr)	1979-06-19

Family

ID=20327540

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA275,816A Expired CA1056637A (fr)	1976-04-08	1977-04-07	Epaississeur de ligno-cellulose a l'admission du recipient a vapeur sous pression

Country Status (8)

Country	Link
JP (1)	JPS52155201A (fr)
CA (1)	CA1056637A (fr)
DE (1)	DE2715235A1 (fr)
FI (1)	FI771022A7 (fr)
FR (1)	FR2347489A1 (fr)
GB (1)	GB1571700A (fr)
NO (1)	NO771215L (fr)
SE (1)	SE7604167L (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE1007150A3 (fr) *	1993-05-27	1995-04-11	Solvay	Procede et dispositif de dechargement d'un reacteur a lit fluidise.
FR2925533B1 (fr) *	2007-12-20	2010-01-08	Inst Francais Du Petrole	Procede de conversion de solutions lignocellulosiques a haute teneur en matiere seche
US8328947B2 (en) *	2008-08-29	2012-12-11	Iogen Energy Corporation	Method for low water hydrolysis or pretreatment of polysaccharides in a lignocellulosic feedstock
EP2758589A4 (fr) *	2011-09-20	2015-08-26	Iogen Energy Corp	Procédé de chauffage d'une charge d'alimentation
CN112832015B (zh) *	2021-02-23	2024-03-01	新昌县高纤纺织有限公司	一种纺织印染漂白助剂及其制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2459180A (en) *	1943-12-04	1949-01-18	Kamyr Ab	Apparatus for charging fibrous material into a digester
FR904673A (fr) *	1944-01-04	1945-11-13		Appareil pour le lessivage en continu des bois en copeaux ou des fibres naturelles, en vue de la fabrication de la cellulose ou des pâtes chimiques, mi-chimiques et mécaniques
US2829049A (en) *	1954-02-08	1958-04-01	Hercules Powder Co Ltd	Method for the disintegration of cellulose-bearing material
FR1226093A (fr) *	1958-06-04	1960-07-08	Buss Ag	Procédé pour l'apport et l'enlèvement continu de substances solides dans un appareil se trouvant sous pression ou en dépression et dispositif pour la mise en oeuvre du procédé
NL302889A (fr) *	1963-01-08
SE359331B (fr) *	1970-03-17	1973-08-27	Kamyr Ab

1976
- 1976-04-08 SE SE7604167A patent/SE7604167L/xx unknown
1977
- 1977-03-30 GB GB13407/77A patent/GB1571700A/en not_active Expired
- 1977-04-01 FI FI771022A patent/FI771022A7/fi not_active Application Discontinuation
- 1977-04-05 DE DE19772715235 patent/DE2715235A1/de active Pending
- 1977-04-05 NO NO771215A patent/NO771215L/no unknown
- 1977-04-07 FR FR7710670A patent/FR2347489A1/fr not_active Withdrawn
- 1977-04-07 CA CA275,816A patent/CA1056637A/fr not_active Expired
- 1977-04-08 JP JP3960677A patent/JPS52155201A/ja active Pending

Also Published As

Publication number	Publication date
NO771215L (no)	1977-10-11
DE2715235A1 (de)	1977-10-27
SE7604167L (sv)	1977-10-09
GB1571700A (en)	1980-07-16
JPS52155201A (en)	1977-12-23
FI771022A7 (fr)	1977-10-09
FR2347489A1 (fr)	1977-11-04

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