NO156795C - Fremgangsmaate ved delignifisering av cellulosemasse fremstilt ved kjemisk oppslutning av lignocelluloseholdig materiale. - Google Patents
Fremgangsmaate ved delignifisering av cellulosemasse fremstilt ved kjemisk oppslutning av lignocelluloseholdig materiale.Info
- Publication number
- NO156795C NO156795C NO811906A NO811906A NO156795C NO 156795 C NO156795 C NO 156795C NO 811906 A NO811906 A NO 811906A NO 811906 A NO811906 A NO 811906A NO 156795 C NO156795 C NO 156795C
- Authority
- NO
- Norway
- Prior art keywords
- substancing
- cellulosmass
- delignification
- lignocellulose
- procedure
- Prior art date
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
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8004184A SE421938B (sv) | 1980-06-05 | 1980-06-05 | Forfarande for behandling av cellulosamassa med kveveoxider fore syrgasblekning |
Publications (3)
Publication Number | Publication Date |
---|---|
NO811906L NO811906L (no) | 1981-12-07 |
NO156795B NO156795B (no) | 1987-08-17 |
NO156795C true NO156795C (no) | 1987-11-25 |
Family
ID=20341137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO811906A NO156795C (no) | 1980-06-05 | 1981-06-04 | Fremgangsmaate ved delignifisering av cellulosemasse fremstilt ved kjemisk oppslutning av lignocelluloseholdig materiale. |
Country Status (11)
Country | Link |
---|---|
US (1) | US4439271A (ja) |
JP (1) | JPS5725490A (ja) |
AT (1) | AT375693B (ja) |
AU (1) | AU547231B2 (ja) |
CA (1) | CA1167207A (ja) |
DE (1) | DE3122297C2 (ja) |
FI (1) | FI69135C (ja) |
FR (1) | FR2483972A1 (ja) |
NO (1) | NO156795C (ja) |
NZ (1) | NZ197165A (ja) |
SE (1) | SE421938B (ja) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE448006B (sv) * | 1981-09-21 | 1987-01-12 | Mo Och Domsjoe Ab | Forfarande for blekning av cellulosamassa innefattande ett aktiveringssteg med kveveoxider |
DE3213856C2 (de) * | 1982-04-15 | 1984-05-10 | Mo och Domsjö AB, 89191 Örnsköldsvik | Verfahren zum Delignifizieren eines chemisch hergestellten Cellulosehalbstoffes |
SE434283B (sv) * | 1982-12-01 | 1984-07-16 | Mo Och Domsjoe Ab | Forfarande for delignifiering av cellulosamassa med kveveoxider och syrgas |
SE451149B (sv) * | 1983-01-26 | 1987-09-07 | Mo Och Domsjoe Ab | Apparatur for kontinuerlig behandling av vatteninnehallande lignocellulosamaterial med kveveoxid och syre |
SE452176B (sv) * | 1984-03-28 | 1987-11-16 | Mo Och Domsjoe Ab | Forfarande for framstellning av kveveoxider ur avlutar fran cellulosamassatillverkning |
SE451023B (sv) * | 1985-12-10 | 1987-08-24 | Mo Och Domsjoe Ab | Forfarande vid aktivering av lignocellulosamaterial med kvevedioxid innehallande gas |
SE460543B (sv) * | 1987-09-28 | 1989-10-23 | Mo Och Domsjoe Ab | Foerfarande vid aktivering av lignocellulosamaterial med kvaevedioxid innehaallande gas |
US5173153A (en) * | 1991-01-03 | 1992-12-22 | Union Camp Patent Holding, Inc. | Process for enhanced oxygen delignification using high consistency and a split alkali addition |
US5211811A (en) * | 1989-02-15 | 1993-05-18 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification |
US5525195A (en) * | 1989-02-15 | 1996-06-11 | Union Camp Patent Holding, Inc. | Process for high consistency delignification using a low consistency alkali pretreatment |
US5409570A (en) * | 1989-02-15 | 1995-04-25 | Union Camp Patent Holding, Inc. | Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone |
US5188708A (en) * | 1989-02-15 | 1993-02-23 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification followed by ozone relignification |
US5217574A (en) * | 1989-02-15 | 1993-06-08 | Union Camp Patent Holdings Inc. | Process for oxygen delignifying high consistency pulp by removing and recycling pressate from alkaline pulp |
US5085734A (en) * | 1989-02-15 | 1992-02-04 | Union Camp Patent Holding, Inc. | Methods of high consistency oxygen delignification using a low consistency alkali pretreatment |
US5441603A (en) * | 1990-05-17 | 1995-08-15 | Union Camp Patent Holding, Inc. | Method for chelation of pulp prior to ozone delignification |
US5164043A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
DE4203923A1 (de) * | 1992-02-11 | 1993-08-12 | Henkel Kgaa | Verfahren zur herstellung von polycarboxylaten auf polysaccharid-basis |
US5554259A (en) * | 1993-10-01 | 1996-09-10 | Union Camp Patent Holdings, Inc. | Reduction of salt scale precipitation by control of process stream Ph and salt concentration |
CA2452145A1 (en) * | 2003-06-03 | 2004-12-03 | David Tarasenko | Method for producing pulp and lignin |
CN104389221B (zh) * | 2009-08-05 | 2017-11-03 | 国际纸业公司 | 用于施加包含阳离子三价金属和解胶剂的组合物的方法以及由该方法制造的绒毛浆片材 |
US8535482B2 (en) | 2009-08-05 | 2013-09-17 | International Paper Company | Dry fluff pulp sheet additive |
MY162376A (en) * | 2009-08-05 | 2017-06-15 | Shell Int Research | Method for monitoring a well |
CN103003489B (zh) | 2010-07-20 | 2016-01-20 | 国际纸业公司 | 包含多价阳离子型金属和含胺抗静电剂的组合物及制造和使用方法 |
US8871054B2 (en) | 2010-07-22 | 2014-10-28 | International Paper Company | Process for preparing fluff pulp sheet with cationic dye and debonder surfactant |
CN111344455B (zh) * | 2017-09-11 | 2022-10-28 | 索理思科技公司 | 用于增强化学木浆的氧脱木质素的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU419593A1 (ru) * | 1971-11-30 | 1974-03-15 | Г. Л. Аким , В. М. Никитин | Способ отбелки целлюлозы |
FR2158873A5 (en) * | 1972-10-09 | 1973-06-15 | Bourit Jean Pierre | Bleaching of wood cellulose - using nitrogen oxides |
US4076579A (en) * | 1973-08-06 | 1978-02-28 | The Regents Of The University Of California | Pulping of lignocellulosic material by sequential treatment thereof with nitric oxide and oxygen |
US4087318A (en) * | 1974-03-14 | 1978-05-02 | Mo Och Domsjo Aktiebolag | Oxygen-alkali delignification of lignocellulosic material in the presence of a manganese compound |
GB1505070A (en) * | 1974-06-11 | 1978-03-22 | Canadian Ind | Process for bleaching of lignocellulosic material |
CA1070909A (en) * | 1976-05-04 | 1980-02-05 | Canadian Industries Limited | Nitrogen dioxide-oxygen delignification |
-
1980
- 1980-06-05 SE SE8004184A patent/SE421938B/sv not_active IP Right Cessation
-
1981
- 1981-05-21 NZ NZ197165A patent/NZ197165A/xx unknown
- 1981-06-03 JP JP8555281A patent/JPS5725490A/ja active Granted
- 1981-06-04 AT AT0251581A patent/AT375693B/de not_active IP Right Cessation
- 1981-06-04 NO NO811906A patent/NO156795C/no unknown
- 1981-06-04 AU AU71364/81A patent/AU547231B2/en not_active Ceased
- 1981-06-04 FI FI811738A patent/FI69135C/fi not_active IP Right Cessation
- 1981-06-04 DE DE3122297A patent/DE3122297C2/de not_active Expired
- 1981-06-04 US US06/270,438 patent/US4439271A/en not_active Expired - Lifetime
- 1981-06-05 CA CA000379102A patent/CA1167207A/en not_active Expired
- 1981-06-05 FR FR8111138A patent/FR2483972A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
AT375693B (de) | 1984-08-27 |
DE3122297A1 (de) | 1982-04-01 |
DE3122297C2 (de) | 1984-04-12 |
AU547231B2 (en) | 1985-10-10 |
JPS6350465B2 (ja) | 1988-10-07 |
AU7136481A (en) | 1981-12-10 |
US4439271A (en) | 1984-03-27 |
SE421938B (sv) | 1982-02-08 |
NO811906L (no) | 1981-12-07 |
FR2483972A1 (fr) | 1981-12-11 |
NZ197165A (en) | 1983-09-30 |
FI69135B (fi) | 1985-08-30 |
FR2483972B1 (ja) | 1983-10-28 |
CA1167207A (en) | 1984-05-15 |
FI811738L (fi) | 1981-12-06 |
ATA251581A (de) | 1984-01-15 |
FI69135C (fi) | 1985-12-10 |
NO156795B (no) | 1987-08-17 |
JPS5725490A (en) | 1982-02-10 |
SE8004184L (ja) | 1981-12-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
NO156795C (no) | Fremgangsmaate ved delignifisering av cellulosemasse fremstilt ved kjemisk oppslutning av lignocelluloseholdig materiale. | |
NO811811L (no) | Fremgangsmaate for fremstilling av papir. | |
NO810202L (no) | Kapsel inneholdende sementholdig materiale. | |
NO811330L (no) | Fremgangsmaate ved fremstilling av mikroemulsjoner | |
NO155403C (no) | Fremgangsmaate ved behandling av et celluloseholdig fibermaterial. | |
NO801386L (no) | Fremgangsmaate ved blekning av lignocelluloseholdig materiale | |
NO167195C (no) | Apparat til fremstilling av krystalliserbart materiale. | |
NO154357C (no) | Fremgangsmaate ved toerking av trevirke. | |
NO790285L (no) | Fremgangsmaate ved fremstilling av nye 2-pyrrolidon-forbindelser | |
NO152894C (no) | Fremgangsmaate ved fremstilling av ureapellets. | |
NO165337C (no) | Fremgagnsmaate ved en nedstroemmedrivningsprosess for klorering av fint, titanholdig materiale. | |
NO810695L (no) | Fremgangsmaate ved fremstilling av sementklinker. | |
NO158215C (no) | Fremgangsmaate ved fremstilling av svovel. | |
DK249182A (da) | Fremgangsmaade til fjernelse af ildfast materiale fra maskindele | |
NO793415L (no) | Fremgangsmaate ved behandling av et avloep. | |
NO800973L (no) | Fremgangsmaate til toerking av et oppblaerende materiale | |
NO154672C (no) | Framgangsmaate for aa framstille brikettert materiale. | |
NO156906B (no) | Fremgangsmaate ved delignifisering/bleking av cellulosemasse. | |
DK183681A (da) | Fremgangsmaade til kemisk modificering af stivelse | |
NO812143L (no) | Fremgangsmaate ved fremstilling av 6-hydrazon-pyrido(2,1-b)-kinazolin-11-oner | |
NO155509C (no) | Fremangsmaate ved behandling av et partikkelformig materiale, spesielt en underjordisk, partikkelformig formasjon. | |
NO813852L (no) | Vaskebetongpapir og fremgangsmaate ved fremstilling derav | |
IT8149540A0 (it) | Procedimento di tintura per materie cellulosiche | |
NO841616L (no) | Fremgangsmaate ved fremstilling av papir. | |
NO161326C (no) | Fremgangsmaate ved behandling av et karbonmateriale. |