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 (de) |
JP (1) | JPS5725490A (de) |
AT (1) | AT375693B (de) |
AU (1) | AU547231B2 (de) |
CA (1) | CA1167207A (de) |
DE (1) | DE3122297C2 (de) |
FI (1) | FI69135C (de) |
FR (1) | FR2483972A1 (de) |
NO (1) | NO156795C (de) |
NZ (1) | NZ197165A (de) |
SE (1) | SE421938B (de) |
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 |
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 |
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 |
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 |
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 |
US5525195A (en) * | 1989-02-15 | 1996-06-11 | Union Camp Patent Holding, Inc. | Process for high consistency delignification using a low consistency alkali pretreatment |
US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
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 |
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 |
AU2003291874A1 (en) * | 2003-06-03 | 2005-01-21 | David Tarasenko | Method for producing pulp and lignin |
PL2462276T3 (pl) | 2009-08-05 | 2015-04-30 | Int Paper Co | Dodatek do suchego arkusza z celulozowej masy puchowej |
MY162376A (en) | 2009-08-05 | 2017-06-15 | Shell Int Research | Method for monitoring a well |
PL2462277T3 (pl) | 2009-08-05 | 2015-04-30 | Int Paper Co | Proces stosowania kompozycji zawierającej trójwartościowy kation metalu i rozklejacz oraz arkusz pulpy puchowej uzyskany za jego pomocą |
ES2952420T3 (es) | 2010-07-20 | 2023-10-31 | Int Paper Co | Composición que contiene un metal catiónico multivalente y un agente antiestático que contiene amina y métodos de fabricación y uso |
CN103003488B (zh) | 2010-07-22 | 2015-04-15 | 国际纸业公司 | 使用阳离子型染料和解胶剂型表面活性剂制造绒毛浆片材的方法和由该方法制得的绒毛浆片材 |
CA3075029A1 (en) * | 2017-09-11 | 2019-03-14 | Solenis Technologies, L.P. | Method for enhanced oxygen delignification of chemical wood pulps |
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 NO NO811906A patent/NO156795C/no unknown
- 1981-06-04 AT AT0251581A patent/AT375693B/de not_active IP Right Cessation
- 1981-06-04 US US06/270,438 patent/US4439271A/en not_active Expired - Lifetime
- 1981-06-04 FI FI811738A patent/FI69135C/fi not_active IP Right Cessation
- 1981-06-04 AU AU71364/81A patent/AU547231B2/en not_active Ceased
- 1981-06-04 DE DE3122297A patent/DE3122297C2/de not_active Expired
- 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 |
---|---|
US4439271A (en) | 1984-03-27 |
FR2483972B1 (de) | 1983-10-28 |
FI69135C (fi) | 1985-12-10 |
NO156795B (no) | 1987-08-17 |
JPS6350465B2 (de) | 1988-10-07 |
NZ197165A (en) | 1983-09-30 |
CA1167207A (en) | 1984-05-15 |
NO811906L (no) | 1981-12-07 |
DE3122297A1 (de) | 1982-04-01 |
AU7136481A (en) | 1981-12-10 |
ATA251581A (de) | 1984-01-15 |
SE421938B (sv) | 1982-02-08 |
AT375693B (de) | 1984-08-27 |
FI811738L (fi) | 1981-12-06 |
FI69135B (fi) | 1985-08-30 |
AU547231B2 (en) | 1985-10-10 |
FR2483972A1 (fr) | 1981-12-11 |
DE3122297C2 (de) | 1984-04-12 |
JPS5725490A (en) | 1982-02-10 |
SE8004184L (de) | 1981-12-06 |
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