FI66216C - Faergavlaegsningsfoerfarande - Google Patents
Faergavlaegsningsfoerfarande Download PDFInfo
- Publication number
- FI66216C FI66216C FI770724A FI770724A FI66216C FI 66216 C FI66216 C FI 66216C FI 770724 A FI770724 A FI 770724A FI 770724 A FI770724 A FI 770724A FI 66216 C FI66216 C FI 66216C
- Authority
- FI
- Finland
- Prior art keywords
- effluent
- films
- temperature
- ultrafiltration
- hfd
- Prior art date
Links
Classifications
-
- 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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US66691776 | 1976-03-15 | ||
US05/666,917 US4226673A (en) | 1976-03-15 | 1976-03-15 | Color removal from paper and pulp mill aqueous effluents |
Publications (3)
Publication Number | Publication Date |
---|---|
FI770724A FI770724A (sv) | 1977-09-16 |
FI66216B FI66216B (fi) | 1984-05-31 |
FI66216C true FI66216C (fi) | 1984-09-10 |
Family
ID=24676042
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI770724A FI66216C (fi) | 1976-03-15 | 1977-03-07 | Faergavlaegsningsfoerfarande |
Country Status (7)
Country | Link |
---|---|
US (1) | US4226673A (sv) |
JP (1) | JPS52111890A (sv) |
CA (1) | CA1094956A (sv) |
DE (1) | DE2711072C2 (sv) |
FI (1) | FI66216C (sv) |
GB (1) | GB1523577A (sv) |
SE (1) | SE438099B (sv) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2117267B (en) * | 1982-02-24 | 1985-09-25 | John Gilmour Manuel | Ultrafiltration of fermentation effluent |
JPS59115704A (ja) * | 1982-12-24 | 1984-07-04 | Toray Ind Inc | 半透膜の処理法 |
US4584057A (en) * | 1985-04-22 | 1986-04-22 | The United States Of America As Represented By The Secretary Of Agriculture | Membrane processes for separation of organic acids from kraft black liquors |
CH668961A5 (de) * | 1986-02-07 | 1989-02-15 | Ciba Geigy Ag | Verfahren zur reinigung von farbstoffhaltigen abwaessern. |
US4814082A (en) * | 1986-10-20 | 1989-03-21 | Memtec North America Corporation | Ultrafiltration thin film membranes |
US4874521A (en) * | 1988-10-18 | 1989-10-17 | Boise Cascade Corporation | Pulp mill effluent color removal process |
US5032286A (en) * | 1988-10-18 | 1991-07-16 | Boise Cascade Corporation | Pulp mill effluent color removal process |
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 |
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 |
US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
DE69221385T2 (de) * | 1991-05-24 | 1997-12-11 | Union Camp Patent Holding, Inc., Wilmington, Del. | Zweistufiger Reaktor zum Bleichen von Zellstoff und Verfahren zum Bleichen mit Ozon |
DE4126976C1 (sv) * | 1991-08-14 | 1993-01-07 | Kuenkel-Wagner Gmbh & Co Kg, 3220 Alfeld, De | |
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 |
US6752903B2 (en) * | 2001-07-27 | 2004-06-22 | Craig A. Bianchini | Method for mitigating the interference caused by high-molecular weight by-products in pulping processes |
US10519050B2 (en) * | 2017-07-28 | 2019-12-31 | Frito-Lay North America, Inc. | Method for fryer stack recovery and treatment |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3551244A (en) * | 1968-04-03 | 1970-12-29 | North Star Research & Dev Inst | Method of producing an ultrathin polymer film laminate |
US3808305A (en) * | 1971-07-27 | 1974-04-30 | H Gregor | Crosslinked,interpolymer fixed-charge membranes |
US3758405A (en) * | 1971-11-03 | 1973-09-11 | Plywood Champion Papers Inc | Color removal from kraft mill aqueous effluents |
IL43201A (en) * | 1972-09-19 | 1976-11-30 | North Star Res & Dev | Reverse osmosis membrane and its preparation |
US3977467A (en) * | 1973-05-18 | 1976-08-31 | Northrup Jr Leonard L | Air conditioning module |
US3951815A (en) * | 1974-09-05 | 1976-04-20 | Universal Oil Products Company | Composite semipermeable membranes made from polyethylenimine |
-
1976
- 1976-03-15 US US05/666,917 patent/US4226673A/en not_active Expired - Lifetime
-
1977
- 1977-03-07 FI FI770724A patent/FI66216C/fi not_active IP Right Cessation
- 1977-03-11 SE SE7702798A patent/SE438099B/sv not_active IP Right Cessation
- 1977-03-14 CA CA273,913A patent/CA1094956A/en not_active Expired
- 1977-03-14 GB GB10630/77A patent/GB1523577A/en not_active Expired
- 1977-03-14 DE DE2711072A patent/DE2711072C2/de not_active Expired
- 1977-03-15 JP JP2911777A patent/JPS52111890A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
US4226673A (en) | 1980-10-07 |
FI66216B (fi) | 1984-05-31 |
DE2711072A1 (de) | 1977-09-29 |
FI770724A (sv) | 1977-09-16 |
JPS52111890A (en) | 1977-09-19 |
JPS6136962B2 (sv) | 1986-08-21 |
SE7702798L (sv) | 1977-09-16 |
SE438099B (sv) | 1985-04-01 |
DE2711072C2 (de) | 1986-11-13 |
GB1523577A (en) | 1978-09-06 |
CA1094956A (en) | 1981-02-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: CHAMPION INTERNATIONAL CORPORATION |