CA1063409A - Methode de blanchiment a l'oxygene - Google Patents

Methode de blanchiment a l'oxygene

Info

Publication number: CA1063409A
Authority: CA; Canada
Prior art keywords: pulp; vessel; sub; oxygen; outer chamber
Prior art date: 1977-07-29
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

CA283,705A

Other languages

English (en)

Inventor

Peder J. Kleppe

Ake Backland

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.)

Metso Fiber Karlstad AB

Original Assignee

Kamyr AB

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.)

1977-07-29

Filing date

1977-07-29

Publication date

1979-10-02

1977-07-29 Application filed by Kamyr AB filed Critical Kamyr AB

1977-07-29 Priority to CA283,705A priority Critical patent/CA1063409A/fr

1979-10-02 Application granted granted Critical

1979-10-02 Publication of CA1063409A publication Critical patent/CA1063409A/fr

Status Expired legal-status Critical Current

Links

229910052760 oxygen Inorganic materials 0.000 title claims abstract description 86
239000001301 oxygen Substances 0.000 title claims abstract description 86
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 85
238000004061 bleaching Methods 0.000 title claims abstract description 15
239000007789 gas Substances 0.000 claims abstract description 65
239000002360 explosive Substances 0.000 claims abstract description 38
239000003518 caustics Substances 0.000 claims abstract description 11
230000005465 channeling Effects 0.000 claims abstract description 9
238000000034 method Methods 0.000 claims description 20
241000779819 Syncarpia glomulifera Species 0.000 claims description 16
239000001739 pinus spp. Substances 0.000 claims description 16
229940036248 turpentine Drugs 0.000 claims description 16
230000001804 emulsifying effect Effects 0.000 claims description 7
238000004880 explosion Methods 0.000 claims description 6
238000007790 scraping Methods 0.000 claims description 3
238000003756 stirring Methods 0.000 claims description 3
238000007865 diluting Methods 0.000 claims description 2
UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 2
229910002091 carbon monoxide Inorganic materials 0.000 claims 2
239000012530 fluid Substances 0.000 claims 2
230000003134 recirculating effect Effects 0.000 claims 1
208000036366 Sensation of pressure Diseases 0.000 abstract 1
238000011282 treatment Methods 0.000 description 16
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
238000006243 chemical reaction Methods 0.000 description 5
239000003995 emulsifying agent Substances 0.000 description 4
-1 3.5% for C0) Substances 0.000 description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
239000000203 mixture Substances 0.000 description 3
238000012544 monitoring process Methods 0.000 description 3
239000000725 suspension Substances 0.000 description 3
239000002023 wood Substances 0.000 description 3
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
238000010411 cooking Methods 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
239000000523 sample Substances 0.000 description 2
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
241000218631 Coniferophyta Species 0.000 description 1
MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
241000196324 Embryophyta Species 0.000 description 1
235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
235000011613 Pinus brutia Nutrition 0.000 description 1
241000018646 Pinus brutia Species 0.000 description 1
QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
229910052799 carbon Inorganic materials 0.000 description 1
239000001913 cellulose Substances 0.000 description 1
229920002678 cellulose Polymers 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
238000010276 construction Methods 0.000 description 1
238000007872 degassing Methods 0.000 description 1
238000002474 experimental method Methods 0.000 description 1
239000000835 fiber Substances 0.000 description 1
239000013029 homogenous suspension Substances 0.000 description 1
238000007689 inspection Methods 0.000 description 1
239000007788 liquid Substances 0.000 description 1
229910052943 magnesium sulfate Inorganic materials 0.000 description 1
235000019341 magnesium sulphate Nutrition 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification Effects 0.000 description 1
150000002926 oxygen Chemical class 0.000 description 1
230000036647 reaction Effects 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
238000012546 transfer Methods 0.000 description 1
238000005406 washing Methods 0.000 description 1

Landscapes

Paper (AREA)

CA283,705A 1977-07-29 1977-07-29 Methode de blanchiment a l'oxygene Expired CA1063409A (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA283,705A CA1063409A (fr)	1977-07-29	1977-07-29	Methode de blanchiment a l'oxygene

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA283,705A CA1063409A (fr)	1977-07-29	1977-07-29	Methode de blanchiment a l'oxygene

Publications (1)

Publication Number	Publication Date
CA1063409A true CA1063409A (fr)	1979-10-02

Family

ID=4109231

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA283,705A Expired CA1063409A (fr)	1977-07-29	1977-07-29	Methode de blanchiment a l'oxygene

Country Status (1)

Country	Link
CA (1)	CA1063409A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102261005A (zh) *	2011-05-24	2011-11-30	南京农业大学	双缸结构的蒸汽爆破装置

1977
- 1977-07-29 CA CA283,705A patent/CA1063409A/fr not_active Expired

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN102261005A (zh) *	2011-05-24	2011-11-30	南京农业大学	双缸结构的蒸汽爆破装置
CN102261005B (zh) *	2011-05-24	2013-05-15	南京农业大学	双缸结构的蒸汽爆破装置

Similar Documents

Publication	Publication Date	Title
CA1038108A (fr)	1978-09-12	Traitement au gaz, particulierement au gaz oxygene
US3754417A (en)	1973-08-28	Oxygen bleaching
FI122896B (fi)	2012-08-31	Menetelmä ja järjestelmä hienonnetun kuitumateriaalin syöttämiseksi
CA2102899C (fr)	2007-05-01	Blanchiment a l'ozone
CA2181786C (fr)	2001-07-24	Dispositif d'alimentation en copeaux ameliore et procede concernant un digesteur/lessiveur
US2803540A (en)	1957-08-20	Wood chip digestion
US5989388A (en)	1999-11-23	Method for ozone bleaching of high consistency pulp in two stages
NO823465L (no)	1983-04-28	Fremgangsmaate og apparatur for tilsetning av alkaliske kjemikalier til en oksygendelignifiseringsreaksjon
BR112012012516A2 (pt)	2020-08-11	método e sistema para cozimento de digestor de cavaco fino
US3427218A (en)	1969-02-11	Method of performing counter-current continuous cellulose digestion
US4236961A (en)	1980-12-02	Pulping lignocellulose in continuous pressurized batch digesters
US11186949B2 (en)	2021-11-30	Method for impregnating biomass and device for impregnating biomass
US3041232A (en)	1962-06-26	Method of continuous cellulose digestion and digester apparatus for practicing said method
CA1184709A (fr)	1985-04-02	Methode et installation de defibrage a l'oxygene
CA1063409A (fr)	1979-10-02	Methode de blanchiment a l'oxygene
CA1068526A (fr)	1979-12-25	Digestion en deux temps et chauffage entre recipients
US5192396A (en)	1993-03-09	Process for the continuous digestion of cellulosic fiber material
US3785920A (en)	1974-01-15	Method of treating raw cellulosic materials
US4093511A (en)	1978-06-06	Apparatus for oxygen bleaching of pulp including recirculation of exhaust gases
EP0157279B1 (fr)	1988-08-10	Pompage et traitement de sciure de bois
CN102639785A (zh)	2012-08-15	使用下流式容器的连续工艺中向纤维素原料添加处理液的方法和装置
US7105076B2 (en)	2006-09-12	Gas phase continuous digester having an inverted top separator with liquor injection
US4581104A (en)	1986-04-08	Method of reducing the lignin in wood pulp with oxygen gas recirculation
US2920697A (en)	1960-01-12	Apparatus for the production of cellulose
SU933846A1 (ru)	1982-06-07	Установка дл обработки лигноцеллюлозного материала