NO793415L - Fremgangsmaate ved behandling av et avloep. - Google Patents
Fremgangsmaate ved behandling av et avloep.Info
- Publication number
- NO793415L NO793415L NO793415A NO793415A NO793415L NO 793415 L NO793415 L NO 793415L NO 793415 A NO793415 A NO 793415A NO 793415 A NO793415 A NO 793415A NO 793415 L NO793415 L NO 793415L
- Authority
- NO
- Norway
- Prior art keywords
- drainage
- treating
- procedure
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
- B01D61/146—Ultrafiltration comprising multiple ultrafiltration steps
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
-
- 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
- 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
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Paper (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7811089A SE414411B (sv) | 1978-10-25 | 1978-10-25 | Sett att rena utslepp fran blekerier med ultrafiltrering |
Publications (3)
Publication Number | Publication Date |
---|---|
NO793415L true NO793415L (no) | 1980-04-28 |
NO150955B NO150955B (no) | 1984-10-08 |
NO150955C NO150955C (no) | 1985-01-16 |
Family
ID=20336188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO793415A NO150955C (no) | 1978-10-25 | 1979-10-24 | Fremgangsmaate ved rensing av utslipp fra blekerier eller lignende |
Country Status (6)
Country | Link |
---|---|
US (1) | US4268350A (no) |
JP (1) | JPS604758B2 (no) |
CA (1) | CA1130023A (no) |
FI (1) | FI65830C (no) |
NO (1) | NO150955C (no) |
SE (1) | SE414411B (no) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT377546B (de) * | 1983-02-25 | 1985-03-25 | Dieter J Becker | Verfahren zur reinigung von bei der zellstoffherstellung, insbesondere bei der chlorbleiche von zellstoff, anfallenden abwaessern |
FI893844A (fi) * | 1988-08-23 | 1990-02-24 | Sappi Ltd | Eliminering av blekningsavloppsvaetskor. |
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 |
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 |
DE69004492T3 (de) * | 1989-06-06 | 2001-11-15 | Eka Nobel Ab, Bohus | Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen. |
SE9001481L (sv) * | 1990-04-23 | 1991-10-24 | Eka Nobel Ab | Reduktion av halogenorganiska foereningar i blekeriavlopp |
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 |
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 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2351063A1 (fr) * | 1976-05-12 | 1977-12-09 | Rhone Poulenc Ind | Traitement d'effluents de papeteries |
-
1978
- 1978-10-25 SE SE7811089A patent/SE414411B/sv not_active IP Right Cessation
-
1979
- 1979-09-18 US US06/076,745 patent/US4268350A/en not_active Expired - Lifetime
- 1979-09-26 CA CA336,447A patent/CA1130023A/en not_active Expired
- 1979-10-02 JP JP54127242A patent/JPS604758B2/ja not_active Expired
- 1979-10-19 FI FI793244A patent/FI65830C/fi not_active IP Right Cessation
- 1979-10-24 NO NO793415A patent/NO150955C/no unknown
Also Published As
Publication number | Publication date |
---|---|
JPS5559882A (en) | 1980-05-06 |
FI793244A (fi) | 1980-04-26 |
JPS604758B2 (ja) | 1985-02-06 |
CA1130023A (en) | 1982-08-17 |
US4268350A (en) | 1981-05-19 |
FI65830B (fi) | 1984-03-30 |
NO150955B (no) | 1984-10-08 |
SE414411B (sv) | 1980-07-28 |
FI65830C (fi) | 1984-07-10 |
NO150955C (no) | 1985-01-16 |
SE7811089L (no) | 1980-04-26 |
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