ZA931384B - Combined ozone destruction and fiber scrubbing in paper pulp mills. - Google Patents
Combined ozone destruction and fiber scrubbing in paper pulp mills.Info
- Publication number
- ZA931384B ZA931384B ZA931384A ZA931384A ZA931384B ZA 931384 B ZA931384 B ZA 931384B ZA 931384 A ZA931384 A ZA 931384A ZA 931384 A ZA931384 A ZA 931384A ZA 931384 B ZA931384 B ZA 931384B
- Authority
- ZA
- South Africa
- Prior art keywords
- paper pulp
- pulp mills
- ozone destruction
- combined ozone
- scrubbing
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/66—Ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/40—Combinations of devices covered by groups B01D45/00 and B01D47/00
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Treating Waste Gases (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84306692A | 1992-03-02 | 1992-03-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA931384B true ZA931384B (en) | 1993-09-22 |
Family
ID=25288998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA931384A ZA931384B (en) | 1992-03-02 | 1993-02-26 | Combined ozone destruction and fiber scrubbing in paper pulp mills. |
Country Status (3)
Country | Link |
---|---|
CA (1) | CA2107764A1 (en) |
WO (1) | WO1993018226A1 (en) |
ZA (1) | ZA931384B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2078276C (en) * | 1992-09-15 | 2004-05-25 | Derek Hornsey | Recovery of oxygen-rich gas from ozone bleaching processes |
SE9403818L (en) * | 1994-11-08 | 1996-05-09 | Kvaerner Pulping Tech | Method of ozone bleaching |
US5695604A (en) * | 1996-08-05 | 1997-12-09 | Beloit Technologies, Inc. | Method for reprocessing an ozone-containing gas present in a pulp bleaching plant |
WO1997006305A1 (en) * | 1995-08-07 | 1997-02-20 | Beloit Technologies, Inc. | Method for reprocessing an ozone-containing gas present in a pulp bleaching plant |
US6348129B1 (en) * | 2000-04-28 | 2002-02-19 | Praxair Technology Inc | Treatment of pulp mill condensate with ozone |
SE0003391L (en) * | 2000-09-22 | 2002-03-23 | Metso Paper Inc | Bleaching process and systems therefore |
PT1337315E (en) * | 2000-12-01 | 2005-02-28 | Linde Ag | METHOD FOR THE EXHAUST GAS DEPURATION OF A CELLULOSE PULP FACTORY |
FI20080008L (en) * | 2008-01-08 | 2009-07-09 | Andritz Oy | Treatment of ozone-containing gas in connection with pulp bleaching |
EP3970835A1 (en) | 2020-09-22 | 2022-03-23 | SUEZ Groupe | Ozone scrubber and ozone scrubbing method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE343092B (en) * | 1970-06-22 | 1972-02-28 | Mo Och Domsjoe Ab | |
US4279649A (en) * | 1978-06-16 | 1981-07-21 | Nippon Telegraph And Telephone Public Corporation | Electrical contact material |
-
1993
- 1993-02-10 WO PCT/US1993/001144 patent/WO1993018226A1/en active Application Filing
- 1993-02-10 CA CA002107764A patent/CA2107764A1/en not_active Abandoned
- 1993-02-26 ZA ZA931384A patent/ZA931384B/en unknown
Also Published As
Publication number | Publication date |
---|---|
CA2107764A1 (en) | 1993-09-16 |
WO1993018226A1 (en) | 1993-09-16 |
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