FI52879C - Laite olennaisesti hetkellisen reaktion aikaansaamiseksi kuituisen sel luloosamassan ja kaasumaisen reagenssin välillä. - Google Patents
Laite olennaisesti hetkellisen reaktion aikaansaamiseksi kuituisen sel luloosamassan ja kaasumaisen reagenssin välillä.Info
- Publication number
- FI52879C FI52879C FI702893A FI289370A FI52879C FI 52879 C FI52879 C FI 52879C FI 702893 A FI702893 A FI 702893A FI 289370 A FI289370 A FI 289370A FI 52879 C FI52879 C FI 52879C
- Authority
- FI
- Finland
- Prior art keywords
- effecting
- cellulosic pulp
- substantially instantaneous
- fibrous cellulosic
- gaseous reagent
- 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
- D21C9/1026—Other features in bleaching processes
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 |
---|---|---|---|
CA68411 | 1969-11-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
FI52879B FI52879B (fi) | 1977-08-31 |
FI52879C true FI52879C (fi) | 1977-12-12 |
Family
ID=4085988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI702893A FI52879C (fi) | 1969-11-26 | 1970-10-27 | Laite olennaisesti hetkellisen reaktion aikaansaamiseksi kuituisen sel luloosamassan ja kaasumaisen reagenssin välillä. |
Country Status (5)
Country | Link |
---|---|
US (1) | US3725193A (fi) |
JP (1) | JPS5111681B1 (fi) |
CA (1) | CA902859A (fi) |
FI (1) | FI52879C (fi) |
SE (1) | SE368045B (fi) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE359332B (fi) * | 1971-12-20 | 1973-08-27 | Reinhall Rolf | |
US3966542A (en) * | 1974-09-20 | 1976-06-29 | General Signal Corporation | Multi-stage bleaching of pulp using successively lower power levels |
SE389351B (sv) * | 1975-03-14 | 1976-11-01 | Kamyr Ab | Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration. |
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 |
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 |
US5188708A (en) * | 1989-02-15 | 1993-02-23 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification followed by ozone relignification |
US5472572A (en) * | 1990-10-26 | 1995-12-05 | Union Camp Patent Holding, Inc. | Reactor for bleaching high consistency pulp with ozone |
US5181989A (en) * | 1990-10-26 | 1993-01-26 | Union Camp Patent Holdings, Inc. | Reactor for bleaching high consistency pulp with ozone |
AT395180B (de) * | 1989-08-16 | 1992-10-12 | Andritz Ag Maschf | Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung |
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 |
US5174861A (en) * | 1990-10-26 | 1992-12-29 | Union Camp Patent Holdings, Inc. | Method of bleaching high consistency pulp with ozone |
US5520783A (en) * | 1990-10-26 | 1996-05-28 | Union Camp Patent Holding, Inc. | Apparatus for bleaching high consistency pulp with ozone |
ES2106848T5 (es) * | 1991-05-24 | 2001-09-01 | Union Camp Patent Holding | Metodo de blanqueo con ozono. |
AU655842B2 (en) * | 1991-08-23 | 1995-01-12 | Olin Corporation | Delignifying wood pulp |
ZA93224B (en) * | 1992-01-22 | 1993-08-18 | Olin Corp | Gas phase delignification of lignocellulosic material. |
AU671159B2 (en) * | 1992-10-01 | 1996-08-15 | Union Camp Patent Holding, Inc. | Improved bleaching of high consistency lignocellulosic pulp |
US5810973A (en) * | 1993-09-21 | 1998-09-22 | Beloit Technologies, Inc. | Apparatus for producing small particles from high consistency wood pulp |
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 |
SE501894C2 (sv) * | 1993-10-13 | 1995-06-12 | Kvaerner Pulping Tech | Förfarande och anordning för inmixning av fluid i en massasuspension |
US5630909A (en) * | 1994-11-07 | 1997-05-20 | Beloit Technologies, Inc. | Pulp fluffing gas contactor |
US5562806A (en) * | 1995-03-03 | 1996-10-08 | Beloit Technologies, Inc. | Variable angle powered cyclone |
US5944952A (en) * | 1995-07-26 | 1999-08-31 | Beloit Technologies, Inc. | Method for bleaching high consistency pulp with a gaseous bleaching reagent |
US6077396A (en) * | 1997-05-16 | 2000-06-20 | Lariviere; Christopher J. | Apparatus for fluffing and contacting high consistancy wood pulp with a gaseous bleaching reagent |
EP1158088A3 (de) * | 2000-05-26 | 2003-01-22 | Voith Paper Patent GmbH | Verfahren und Vorrichtung zur Behandlung einer Faserstoffsuspension |
CN101058949B (zh) * | 2007-05-22 | 2012-02-08 | 李风宁 | 圆筒疏解机 |
-
1969
- 1969-11-26 CA CA902859A patent/CA902859A/en not_active Expired
-
1970
- 1970-05-27 US US00040961A patent/US3725193A/en not_active Expired - Lifetime
- 1970-10-27 FI FI702893A patent/FI52879C/fi active
- 1970-11-02 SE SE14761/70A patent/SE368045B/xx unknown
- 1970-11-26 JP JP70104403A patent/JPS5111681B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
CA902859A (en) | 1972-06-20 |
FI52879B (fi) | 1977-08-31 |
US3725193A (en) | 1973-04-03 |
SE368045B (fi) | 1974-06-17 |
JPS5111681B1 (fi) | 1976-04-13 |
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