FI914922A0 - Förfarande och anordning för inblandning av gas i ett medium samt förfarandet tillämpande blekningsprocess - Google Patents
Förfarande och anordning för inblandning av gas i ett medium samt förfarandet tillämpande blekningsprocessInfo
- Publication number
- FI914922A0 FI914922A0 FI914922A FI914922A FI914922A0 FI 914922 A0 FI914922 A0 FI 914922A0 FI 914922 A FI914922 A FI 914922A FI 914922 A FI914922 A FI 914922A FI 914922 A0 FI914922 A0 FI 914922A0
- Authority
- FI
- Finland
- Prior art keywords
- mixing
- gas
- pct
- medium
- present
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
- B01F23/2321—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles by moving liquid and gas in counter current
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
- B01F23/2336—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer
- B01F23/23365—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the location of the place of introduction of the gas relative to the stirrer the gas being introduced at the radial periphery of the stirrer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/27—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices
- B01F27/272—Mixers with stator-rotor systems, e.g. with intermeshing teeth or cylinders or having orifices with means for moving the materials to be mixed axially between the surfaces of the rotor and the stator, e.g. the stator rotor system formed by conical or cylindrical surfaces
-
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Treatment Of Fiber Materials (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI914922A FI95821B (sv) | 1991-10-18 | 1991-10-18 | Förfarande och anordning för inblandning av gas i ett medium samt förfarandet tillämpande blekningsprocess |
EP92921912A EP0610291B1 (en) | 1991-10-18 | 1992-10-16 | Method and apparatus for mixing gas into a fiber suspension and a bleaching process applying said method |
PCT/FI1992/000276 WO1993007961A1 (en) | 1991-10-18 | 1992-10-16 | Method and apparatus for mixing a first medium to a second medium and a bleaching process applying said method |
DE69226644T DE69226644T2 (de) | 1991-10-18 | 1992-10-16 | Verfahren und vorrichtung zum mischen von gas in eine faser-suspension und bleichverfahren, das das genannte verfahren anwendet |
ES92921912T ES2121870T3 (es) | 1991-10-18 | 1992-10-16 | Procedimiento y aparato para la mezcla de gas en una suspension de fibras y procedimiento de blanqueado mediante la aplicacion de dicho procedimiento. |
AT92921912T ATE169517T1 (de) | 1991-10-18 | 1992-10-16 | Verfahren und vorrichtung zum mischen von gas in eine faser-suspension und bleichverfahren, das das genannte verfahren anwendet |
US08/211,793 US5536368A (en) | 1991-10-18 | 1992-10-16 | Method and apparatus for mixing a first medium to a second medium and a bleaching process applying said method |
CA002121505A CA2121505C (en) | 1991-10-18 | 1992-10-16 | Method and apparatus for mixing a first medium to a second medium and a bleaching process applying said method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI914922A FI95821B (sv) | 1991-10-18 | 1991-10-18 | Förfarande och anordning för inblandning av gas i ett medium samt förfarandet tillämpande blekningsprocess |
Publications (3)
Publication Number | Publication Date |
---|---|
FI914922A0 true FI914922A0 (sv) | 1991-10-18 |
FI914922A FI914922A (sv) | 1993-04-19 |
FI95821B FI95821B (sv) | 1995-12-15 |
Family
ID=8533320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI914922A FI95821B (sv) | 1991-10-18 | 1991-10-18 | Förfarande och anordning för inblandning av gas i ett medium samt förfarandet tillämpande blekningsprocess |
Country Status (8)
Country | Link |
---|---|
US (1) | US5536368A (sv) |
EP (1) | EP0610291B1 (sv) |
AT (1) | ATE169517T1 (sv) |
CA (1) | CA2121505C (sv) |
DE (1) | DE69226644T2 (sv) |
ES (1) | ES2121870T3 (sv) |
FI (1) | FI95821B (sv) |
WO (1) | WO1993007961A1 (sv) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI925558A (fi) * | 1992-04-22 | 1993-10-23 | Ahlstroem Oy | Foerfarande och anordning foer blekning av massa |
SE501894C2 (sv) * | 1993-10-13 | 1995-06-12 | Kvaerner Pulping Tech | Förfarande och anordning för inmixning av fluid i en massasuspension |
FI103019B1 (sv) * | 1994-01-25 | 1999-04-15 | Ahlstroem Oy | Förfarande och anordning för blandande av en gasformig kemikalie i en fibersuspension |
US6193406B1 (en) * | 1996-12-20 | 2001-02-27 | Andritz-Ahlstrom Oy | Method and apparatus for mixing pulp a suspension with a fluid medium with a freely rotatable mixing rotor |
US6027572A (en) * | 1997-06-23 | 2000-02-22 | Princeton Trade And Technologt, Inc | Cleaning method for removing biofilm and debris from lines and tubing |
EP1025304A1 (en) * | 1997-10-14 | 2000-08-09 | A. Ahlström Osakeyhtiö | Method and apparatus for heating pulps |
US6579412B2 (en) * | 1998-05-08 | 2003-06-17 | L'air Liquide - Societe' Anonyme A' Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process for ozone bleaching of low consistency pulp |
US20050067122A1 (en) * | 2000-05-17 | 2005-03-31 | Bijan Kazem | Methods of processing lignocellulosic pulp with cavitation |
AT413017B (de) * | 2002-03-21 | 2005-10-15 | Andritz Ag Maschf | Verfahren und vorrichtung zum einmischen von fluiden in fliessfähige medien |
AT413018B (de) * | 2002-03-21 | 2005-10-15 | Andritz Ag Maschf | Verfahren und vorrichtung zum fördern von fliessfähigen medien |
US6880966B1 (en) | 2002-07-17 | 2005-04-19 | Itt Manufacturing Enterprises, Inc. | Inline high turbulence mixer having combined oblique and transverse stationary vanes |
KR101977027B1 (ko) * | 2012-03-28 | 2019-05-10 | 웅진코웨이 주식회사 | 버블공급기구를 구비한 도기세정장치 및 도기세정장치의 세정방법 |
CN112156731A (zh) * | 2020-09-08 | 2021-01-01 | 南京延长反应技术研究院有限公司 | 一种聚乙醇酸的强化微界面制备***及方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2272573A (en) * | 1939-04-24 | 1942-02-10 | Phillips Petroleum Co | Combined fluid mixer and pump |
US2772863A (en) * | 1954-08-30 | 1956-12-04 | Pacific Pumps Inc | Mixing pump |
US3048376A (en) * | 1958-04-09 | 1962-08-07 | Curtiss Wright Corp | Fluid mixing apparatus |
FI62872C (fi) * | 1978-06-06 | 1983-03-10 | Ahlstroem Oy | Anordning foer silning av fibersuspensioner |
US4435085A (en) * | 1982-08-06 | 1984-03-06 | Ingersoll-Rand Company | Mixer for use in pulp processes |
US5279709A (en) * | 1987-02-23 | 1994-01-18 | A. Ahlstrom | Method and apparatus for improving the control and treatment of fiber suspension flow |
US5064093A (en) * | 1990-04-16 | 1991-11-12 | W. A. Lane, Inc. | Product cup denester |
-
1991
- 1991-10-18 FI FI914922A patent/FI95821B/sv active
-
1992
- 1992-10-16 AT AT92921912T patent/ATE169517T1/de not_active IP Right Cessation
- 1992-10-16 US US08/211,793 patent/US5536368A/en not_active Expired - Fee Related
- 1992-10-16 ES ES92921912T patent/ES2121870T3/es not_active Expired - Lifetime
- 1992-10-16 DE DE69226644T patent/DE69226644T2/de not_active Expired - Fee Related
- 1992-10-16 WO PCT/FI1992/000276 patent/WO1993007961A1/en active IP Right Grant
- 1992-10-16 EP EP92921912A patent/EP0610291B1/en not_active Expired - Lifetime
- 1992-10-16 CA CA002121505A patent/CA2121505C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0610291A1 (en) | 1994-08-17 |
DE69226644T2 (de) | 1999-01-28 |
US5536368A (en) | 1996-07-16 |
ES2121870T3 (es) | 1998-12-16 |
FI914922A (sv) | 1993-04-19 |
FI95821B (sv) | 1995-12-15 |
WO1993007961A1 (en) | 1993-04-29 |
ATE169517T1 (de) | 1998-08-15 |
DE69226644D1 (de) | 1998-09-17 |
CA2121505C (en) | 2003-12-09 |
EP0610291B1 (en) | 1998-08-12 |
CA2121505A1 (en) | 1993-04-29 |
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Legal Events
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BB | Publication of examined application |