SE7603166L - Drift av blekningsanleggning - Google Patents
Drift av blekningsanleggningInfo
- Publication number
- SE7603166L SE7603166L SE7603166A SE7603166A SE7603166L SE 7603166 L SE7603166 L SE 7603166L SE 7603166 A SE7603166 A SE 7603166A SE 7603166 A SE7603166 A SE 7603166A SE 7603166 L SE7603166 L SE 7603166L
- Authority
- SE
- Sweden
- Prior art keywords
- washing
- acid
- alkaline
- bleach plant
- filtrates
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
- D21C11/0028—Effluents derived from the washing or bleaching plants
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/08—Chlorine-containing liquid regeneration
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1001675 | 1975-03-11 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7603166L true SE7603166L (sv) | 1976-09-13 |
SE416565B SE416565B (sv) | 1981-01-19 |
Family
ID=9959879
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7603166A SE416565B (sv) | 1975-03-11 | 1976-03-10 | Forfarande for atervinning av flytande effluenter fran en blekningsanleggning |
Country Status (11)
Country | Link |
---|---|
US (1) | US4039372A (sv) |
JP (1) | JPS51112902A (sv) |
AR (1) | AR209150A1 (sv) |
AT (1) | AT360332B (sv) |
BR (1) | BR7601443A (sv) |
CA (1) | CA1070908A (sv) |
FI (1) | FI63794C (sv) |
FR (1) | FR2303896A1 (sv) |
PT (1) | PT64868B (sv) |
SE (1) | SE416565B (sv) |
ZA (1) | ZA761255B (sv) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4188260A (en) * | 1977-05-05 | 1980-02-12 | Erco Envirotech Ltd. | Low effluent pulp mill, bleach plant operation |
US4104114A (en) * | 1977-05-05 | 1978-08-01 | Erco Envirotech Ltd. | Bleach plant operation |
US4325783A (en) * | 1978-03-30 | 1982-04-20 | Erco Industries Limited | Bleaching procedure using chlorine dioxide and chlorine solutions |
FR2432574A1 (fr) * | 1978-08-01 | 1980-02-29 | Europeen Cellulose | Procede de blanchiment de pate a papier |
NO800041L (no) * | 1979-01-11 | 1980-07-14 | Weyerhaeuser Co | Fremgangsmaate for vasking av cellulosemasse. |
SE8605120L (sv) * | 1986-08-14 | 1988-02-15 | Alby Klorat Ab | Sett att bereda sulfidfri alkalilut |
AU685483B2 (en) * | 1991-01-28 | 1998-01-22 | Champion International Corporation | Improved process for recycling bleach plant filtrate |
US5352332A (en) * | 1991-01-28 | 1994-10-04 | Maples Gerald E | Process for recycling bleach plant filtrate |
US5853535A (en) * | 1991-01-28 | 1998-12-29 | Champion International Corporation | Process for manufacturing bleached pulp including recycling |
US5938892A (en) * | 1991-01-28 | 1999-08-17 | Champion International Corporation | Process for recycling bleach plant filtrate |
US5302246A (en) * | 1992-07-30 | 1994-04-12 | Kamyr, Inc. | Method of managing liquid steams in a pulp mill |
US5549788A (en) * | 1992-07-30 | 1996-08-27 | A. Ahlstrom Corporation | Minimal effluents discharge pulp mill with chemical recovery |
US5374333A (en) * | 1992-07-30 | 1994-12-20 | Kamyr, Inc. | Method for minimizing pulp mill effluents |
SE470538C (sv) | 1992-12-02 | 1996-02-26 | Kvaerner Pulping Tech | Sätt vid blekning av massa utan användning av klorhaltiga kemikalier |
SE501613C2 (sv) * | 1993-08-03 | 1995-03-27 | Kvaerner Pulping Tech | Sätt vid integrering av blekning och återvinning vid framställning av massa |
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 |
EP0831170A3 (en) * | 1994-06-27 | 1998-11-11 | Champion International Corporation | Improved process for recycling bleach plant filtrate |
US5722264A (en) * | 1995-08-07 | 1998-03-03 | Beloit Technologies, Inc. | Single roll displacement wash press |
US5728264A (en) * | 1995-10-25 | 1998-03-17 | Union Camp Patent Holding, Inc. | Avoidance of salt scaling by acidic pulp washing process |
US5741399A (en) * | 1996-06-24 | 1998-04-21 | Beloit Technologies, Inc. | Pulp washing method |
US5922171A (en) * | 1997-01-24 | 1999-07-13 | Eco-Tec Limited | Method and apparatus for removing sodium chloride from pulping chemicals using an amphoteric ion-exchange resin |
SE516969C2 (sv) * | 2000-08-14 | 2002-03-26 | Metso Paper Inc | Klordioxidblekning i två steg med återföring av filtrat |
DE10320618A1 (de) * | 2003-05-08 | 2004-11-18 | Papierfabrik Albbruck Gmbh & Co. Kg | Verfahren zum Bleichen von Faserstoffen |
FI122237B (sv) | 2007-06-15 | 2011-10-31 | Andritz Oy | Förfarande för behandling av vätskeströmmar i cellulosafabriker |
US8246779B2 (en) * | 2009-09-24 | 2012-08-21 | Noram Engineering And Constructors Ltd. | Maintenance of sulfur concentration in Kraft pulp processes |
EP2550393A2 (en) | 2010-03-23 | 2013-01-30 | International Paper Company | Improved bctmp filtrate recycling system and method |
SE542676C2 (sv) * | 2017-11-29 | 2020-06-23 | Axolot Solutions Ab | Method for washer pulp wherein the wash filter is purified and re-circulated |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3183145A (en) * | 1962-06-22 | 1965-05-11 | Jr Theron T Collins | Odor control and heat recovery in wood pulping process |
US3269941A (en) * | 1964-03-23 | 1966-08-30 | Kimberly Clark Co | Method of neutralizing acid bleachery effluent |
GB1106841A (en) * | 1965-01-25 | 1968-03-20 | Electric Reduction Co | Process for the production of bleached pulp |
GB1217833A (en) * | 1967-01-16 | 1970-12-31 | Electric Reduction Co | Improved cellulosic pulp process |
US3746612A (en) * | 1969-12-30 | 1973-07-17 | Erco Envirotech Ltd | Removal of sodium chloride from white pulping liquor |
SE400997B (sv) * | 1972-12-15 | 1978-04-17 | Erco Envirotech Ltd | Sett for avlegsnande av natriumklorid ur regenererad vitlut |
US3909344A (en) * | 1973-12-03 | 1975-09-30 | Erco Envirotech Ltd | Removal of sodium chloride from pulp mill operations |
US3945880A (en) * | 1974-08-05 | 1976-03-23 | Erco Envirotech Ltd. | Sodium chloride removal in pulp mill systems |
-
1976
- 1976-03-02 ZA ZA761255A patent/ZA761255B/xx unknown
- 1976-03-05 PT PT64868A patent/PT64868B/pt unknown
- 1976-03-05 CA CA247,406A patent/CA1070908A/en not_active Expired
- 1976-03-09 US US05/665,240 patent/US4039372A/en not_active Expired - Lifetime
- 1976-03-10 SE SE7603166A patent/SE416565B/sv not_active IP Right Cessation
- 1976-03-10 BR BR7601443A patent/BR7601443A/pt unknown
- 1976-03-11 FI FI760636A patent/FI63794C/fi not_active IP Right Cessation
- 1976-03-11 AR AR262519A patent/AR209150A1/es active
- 1976-03-11 JP JP51025663A patent/JPS51112902A/ja active Granted
- 1976-03-11 AT AT177876A patent/AT360332B/de not_active IP Right Cessation
- 1976-03-11 FR FR7606953A patent/FR2303896A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
US4039372A (en) | 1977-08-02 |
FI63794C (fi) | 1983-08-10 |
FR2303896B1 (sv) | 1978-08-25 |
FI760636A (sv) | 1976-09-12 |
AT360332B (de) | 1980-01-12 |
CA1070908A (en) | 1980-02-05 |
JPS51112902A (en) | 1976-10-05 |
SE416565B (sv) | 1981-01-19 |
ZA761255B (en) | 1977-03-30 |
PT64868B (en) | 1977-07-22 |
FI63794B (fi) | 1983-04-29 |
JPS5653035B2 (sv) | 1981-12-16 |
ATA177876A (de) | 1980-05-15 |
PT64868A (en) | 1976-04-01 |
BR7601443A (pt) | 1976-09-14 |
AR209150A1 (es) | 1977-03-31 |
FR2303896A1 (fr) | 1976-10-08 |
AU1175376A (en) | 1977-09-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE7603166L (sv) | Drift av blekningsanleggning | |
SE7801868L (sv) | Blekning av lignocellulosamaterial med peroxidhaltiga blekmedel | |
SE8504236D0 (sv) | Forbettrad oxidativ extraktion | |
SE7902901L (sv) | Sett for blekning av oxygendelignifierad, cellulosahaltig massa med ozon | |
FR2457339B1 (sv) | ||
GB1217833A (en) | Improved cellulosic pulp process | |
FR2265908A1 (en) | Kraft pulp bleaching and recovery process - using alkali extraction effluents in subsequent bleaching steps | |
SE8501246L (sv) | Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering | |
SE8501247L (sv) | Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvedning av tvastegsimpregnering | |
SE7509732L (sv) | Sett att tvetta cellulosamassa fran ett alkaliskt kok | |
FI861967A0 (fi) | Sulfitkokfoerfarande foer framstaellning av cellulosa ur lignocellulosahaltiga material inkluderande aotervinning av kokkemikalier. | |
SE8003911L (sv) | Forfarande for syrgasblekning av cellulosamassa | |
SE8400801D0 (sv) | Forfarande for behandling av fran en cellulosakokningsprocess erhallen cellulosa | |
NO881404L (no) | Bleking av mekanisk tremasse. | |
SE8206859D0 (sv) | Forfarande vid delignifierande blekning av cellulosamassa | |
GB1544216A (en) | Bleaching and digesting cellulosic pulp | |
SE8604852L (sv) | Delignifiering och blekning av en cellulosamassa med en alkali-syre-hypokloritextraktion | |
SE8205241L (sv) | Sett vid blekning av cellulosahaltigt material | |
SE435302B (sv) | Sett vid behandling av avlutar fran delignifiering av lignocellulosamaterial med kloridbildande blekmedel | |
GB987612A (en) | Sulphite pulping process | |
FR2177877A1 (en) | Bleaching cellulose pulp - with impregnation of pulp prior to bleaching to improve props | |
SU431276A1 (ru) | Способ получения целлюлозы | |
SE9100024D0 (sv) | Foerfarande foer motstroemstvaettning och blekning av massa fraan cellulosakok | |
FR2390541A1 (fr) | Procede de blanchiment de cellulose | |
GB1253234A (sv) |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7603166-5 Effective date: 19880126 Format of ref document f/p: F |