NO750349L - - Google Patents
Info
- Publication number
- NO750349L NO750349L NO750349A NO750349A NO750349L NO 750349 L NO750349 L NO 750349L NO 750349 A NO750349 A NO 750349A NO 750349 A NO750349 A NO 750349A NO 750349 L NO750349 L NO 750349L
- Authority
- NO
- Norway
- Prior art keywords
- gas
- vessel
- stated
- mass
- recycled
- Prior art date
Links
- 239000007789 gas Substances 0.000 claims description 117
- 239000000463 material Substances 0.000 claims description 48
- 238000006243 chemical reaction Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 18
- 238000012856 packing Methods 0.000 claims description 7
- 239000012495 reaction gas Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 3
- 238000007599 discharging Methods 0.000 claims 2
- 238000004806 packaging method and process Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229920002678 cellulose Polymers 0.000 description 4
- 239000001913 cellulose Substances 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NHYCGSASNAIGLD-UHFFFAOYSA-N Chlorine monoxide Chemical compound Cl[O] NHYCGSASNAIGLD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000002657 fibrous material Substances 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 239000000126 substance 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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
- B01J19/1868—Stationary reactors having moving elements inside resulting in a loop-type movement
- B01J19/1881—Stationary reactors having moving elements inside resulting in a loop-type movement externally, i.e. the mixture leaving the vessel and subsequently re-entering it
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Chemical Treatment Of Fibers During Manufacturing Processes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/445,212 US3964962A (en) | 1974-02-25 | 1974-02-25 | Gaseous reaction apparatus and processes including a peripheral gas receiving chamber and a gas recirculation conduit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO750349L true NO750349L (pt) | 1975-08-26 |
| NO141921B NO141921B (no) | 1980-02-25 |
Family
ID=23768019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO750349A NO141921B (no) | 1974-02-25 | 1975-02-04 | Anordning for behandling av fibermateriale eller ligninholdig materiale med en gass |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3964962A (pt) |
| JP (1) | JPS5833012B2 (pt) |
| BR (1) | BR7500335A (pt) |
| CA (1) | CA1037228A (pt) |
| DE (1) | DE2507414A1 (pt) |
| FI (1) | FI64821C (pt) |
| NO (1) | NO141921B (pt) |
| SE (1) | SE426855C (pt) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE391544C (sv) * | 1974-12-10 | 1985-10-28 | Billeruds Ab | Sett for forcerad hartsmognad hos vedflis |
| NO137651C (no) * | 1975-10-31 | 1978-03-29 | Myrens Verksted As | Fremgangsmaate og apparat til kontinuerlig behandling av findelt fibermateriale eller celluloseholdig masse med gass uten overtrykk. |
| FI67413C (fi) * | 1977-04-27 | 1985-03-11 | Myrens Verksted As | Foerfarande foer behandling av finfoerdelad fiberhaltig eller cellulosahaltig massa samt anordning foer utfoerande av foerfarandet |
| US4128454A (en) * | 1977-12-07 | 1978-12-05 | Ingersoll-Rand Co. | System and method for gas phase pulp bleaching |
| US4209359A (en) * | 1978-10-23 | 1980-06-24 | International Paper Company | Process for removing residual oxygen from oxygen-bleached pulp |
| US4384920A (en) * | 1981-04-06 | 1983-05-24 | The Black Clawson Company | Method and apparatus for oxygen delignification |
| CA1219733A (en) * | 1983-08-11 | 1987-03-31 | Ingersoll-Rand Company | Gaseous reaction apparatus and process |
| US4581104A (en) * | 1983-08-11 | 1986-04-08 | Ingersoll-Rand Company | Method of reducing the lignin in wood pulp with oxygen gas recirculation |
| JP2510636Y2 (ja) * | 1986-05-15 | 1996-09-18 | オリンパス光学工業株式会社 | 手術用顕微鏡 |
| FI79361B (fi) * | 1988-01-05 | 1989-08-31 | Ahlstroem Oy | Foerfarande och apparatur foer underlaettande av uttoemning av fallroer eller liknande och behandling av massa i sagda utrymme. |
| SE462567B (sv) * | 1988-11-25 | 1990-07-16 | Sunds Defibrator Ind Ab | Anordning foer kontinuerlig behandling av cellulosamassa med en aktiveringskemikalie |
| 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 |
| 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 |
| US5188708A (en) * | 1989-02-15 | 1993-02-23 | Union Camp Patent Holding, Inc. | Process for high consistency oxygen delignification followed by ozone relignification |
| 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 |
| AT395180B (de) * | 1989-08-16 | 1992-10-12 | Andritz Ag Maschf | Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung |
| US5441603A (en) * | 1990-05-17 | 1995-08-15 | Union Camp Patent Holding, Inc. | Method for chelation of pulp prior to ozone delignification |
| US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
| US5164043A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
| US5520783A (en) * | 1990-10-26 | 1996-05-28 | Union Camp Patent Holding, Inc. | Apparatus for bleaching high consistency pulp with ozone |
| US5174861A (en) * | 1990-10-26 | 1992-12-29 | Union Camp Patent Holdings, Inc. | Method of bleaching high consistency pulp with ozone |
| NZ242792A (en) * | 1991-05-24 | 1993-12-23 | Union Camp Patent Holding | Two-stage pulp bleaching reactor: pulp mixed with ozone in first stage. |
| WO1994015018A1 (en) * | 1992-12-18 | 1994-07-07 | Ingersoll-Rand Company | Method and apparatus for regulating wood pulp bleaching |
| 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 |
| FI98836C (fi) * | 1994-06-09 | 1997-08-25 | Ahlstroem Pumput Oy | Korkeasakeusmassatorni |
| US6007680A (en) * | 1994-12-08 | 1999-12-28 | Kvaerner Pulping Ab | Apparatus for safely conducting pressurized peroxide bleaching |
| US5954066A (en) * | 1995-01-25 | 1999-09-21 | Kvaerner Pulping Ab | Method for controlling chemical reaction |
| US5944952A (en) * | 1995-07-26 | 1999-08-31 | Beloit Technologies, Inc. | Method for bleaching high consistency pulp with a gaseous bleaching reagent |
| FI100011B (fi) * | 1996-04-18 | 1997-08-15 | Sulzer Pumpen Ag | Menetelmä ja laitteisto massatornin täyttämiseksi |
| 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 |
| SE514825C2 (sv) * | 1999-09-16 | 2001-04-30 | Aga Ab | Oxygendelignifiering av cellulosamassa med oxiderad vitlut som alkalikälla |
| FI20065557A0 (fi) * | 2006-09-07 | 2006-09-07 | Sulzer Pumpen Ag | Menetelmä ja laitteisto massatornin täyttämiseksi ja puhtaana pitämiseksi |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2733992A (en) * | 1956-02-07 | reyerson | ||
| US1633735A (en) * | 1925-07-15 | 1927-06-28 | Jr Frederick Knapp Fish | Process and apparatus for making pulp from fibrous material |
| US1669234A (en) * | 1927-04-22 | 1928-05-08 | Chemipulp Process Inc | Process and apparatus for treating fibrous materials for pulping purposes |
| GB684222A (en) * | 1950-07-08 | 1952-12-10 | Kamyr Ab | Cellulose digester |
| US2717195A (en) * | 1954-08-02 | 1955-09-06 | Jackson And Church Company | Method for treating a fibrous material |
| BE681488A (pt) * | 1965-10-25 | 1966-10-31 | ||
| US3607618A (en) * | 1967-11-06 | 1971-09-21 | Process Dev Corp | Wood-pulping process |
| US3703435A (en) * | 1967-11-09 | 1972-11-21 | Sunds Ab | Method for finely disintegrating pulp,preferentially cellulose pulp,in connection with the bleaching thereof with gaseous bleaching agent |
| OA03094A (fr) * | 1968-07-11 | 1970-12-15 | P P I South African Pulp And P | Perfectionnements à la délignification et au blanchiment des pâtes de cellulose avec l'oxygène gazeux. |
| US3654070A (en) * | 1970-04-02 | 1972-04-04 | Sterling Drug Inc | Oxidation and reuse of effluent from oxygen pulping of raw cellulose |
| US3693080A (en) * | 1970-12-21 | 1972-09-19 | Sperry Rand Corp | Time domain measurement of high frequency complex permittivity and permeability of transmission line enclosed material sample |
| US3814664A (en) * | 1972-09-11 | 1974-06-04 | Improved Machinery Inc | Gaseous reaction apparatus including a peripheral gas receiving chamber |
-
1974
- 1974-02-25 US US05/445,212 patent/US3964962A/en not_active Expired - Lifetime
- 1974-12-13 CA CA215,956A patent/CA1037228A/en not_active Expired
-
1975
- 1975-01-17 BR BR335/75A patent/BR7500335A/pt unknown
- 1975-02-04 NO NO750349A patent/NO141921B/no unknown
- 1975-02-11 FI FI750370A patent/FI64821C/fi not_active IP Right Cessation
- 1975-02-17 SE SE7501737A patent/SE426855C/xx not_active IP Right Cessation
- 1975-02-20 DE DE19752507414 patent/DE2507414A1/de active Granted
- 1975-02-25 JP JP50022527A patent/JPS5833012B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NO141921B (no) | 1980-02-25 |
| JPS50119771A (pt) | 1975-09-19 |
| SE426855C (sv) | 1984-10-29 |
| FI750370A (pt) | 1975-08-26 |
| JPS5833012B2 (ja) | 1983-07-16 |
| BR7500335A (pt) | 1975-12-02 |
| CA1037228A (en) | 1978-08-29 |
| FI64821C (fi) | 1984-01-10 |
| FI64821B (fi) | 1983-09-30 |
| SE7501737L (pt) | 1975-08-26 |
| DE2507414C2 (pt) | 1989-04-27 |
| SE426855B (sv) | 1983-02-14 |
| US3964962A (en) | 1976-06-22 |
| DE2507414A1 (de) | 1975-08-28 |
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