FI771495A - - Google Patents
Info
- Publication number
- FI771495A FI771495A FI771495A FI771495A FI771495A FI 771495 A FI771495 A FI 771495A FI 771495 A FI771495 A FI 771495A FI 771495 A FI771495 A FI 771495A FI 771495 A FI771495 A FI 771495A
- Authority
- FI
- Finland
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
-
- 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
-
- 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
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
-
- 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
- Y10S210/00—Liquid purification or separation
- Y10S210/928—Paper mill waste, e.g. white water, black liquor treated
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Paper (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7615150A FR2351063A1 (fr) | 1976-05-12 | 1976-05-12 | Traitement d'effluents de papeteries |
Publications (1)
Publication Number | Publication Date |
---|---|
FI771495A true FI771495A (xx) | 1977-11-13 |
Family
ID=9173366
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI771495A FI771495A (xx) | 1976-05-12 | 1977-05-11 |
Country Status (7)
Country | Link |
---|---|
US (1) | US4155845A (xx) |
JP (1) | JPS52138364A (xx) |
CA (1) | CA1073126A (xx) |
FI (1) | FI771495A (xx) |
FR (1) | FR2351063A1 (xx) |
NO (1) | NO771649L (xx) |
SE (1) | SE7705511L (xx) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE414411B (sv) * | 1978-10-25 | 1980-07-28 | Eka Ab | Sett att rena utslepp fran blekerier med ultrafiltrering |
US4525278A (en) * | 1979-02-21 | 1985-06-25 | Federal Paper Board Company, Inc. | Method of treating chemical process water |
US4201666A (en) * | 1979-04-23 | 1980-05-06 | Sprague Electric Company | Treating pulp-and-paper mill streams |
US4313830A (en) * | 1980-05-23 | 1982-02-02 | Hydronautics, Incorporated | Method for increasing the cross-flow microfiltration fluxes of waste waters containing suspended solids and/or emulsified oil |
JPS5710393A (en) * | 1980-06-23 | 1982-01-19 | Ebara Infilco Co Ltd | Treatment of high concentration organic waste water |
JPS6290389A (ja) * | 1985-10-14 | 1987-04-24 | 王子製紙株式会社 | アルカリ性パルプ蒸解廃液の処理方法 |
JPS63214398A (ja) * | 1987-10-23 | 1988-09-07 | Ebara Infilco Co Ltd | 高濃度有機性廃水の処理方法 |
JPS63214397A (ja) * | 1987-10-23 | 1988-09-07 | Ebara Infilco Co Ltd | 高濃度有機性廃水の処理方法 |
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 |
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 |
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 |
US5164043A (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 |
US5164044A (en) * | 1990-05-17 | 1992-11-17 | Union Camp Patent Holding, Inc. | Environmentally improved process for bleaching lignocellulosic materials with ozone |
CA2070500C (en) * | 1991-06-13 | 1997-10-14 | Ted Mcvay | Reactive phenolic resin modifier |
FI925499A (fi) * | 1991-12-06 | 1993-06-07 | Hoechst Ag | Foerfarande foer renande behandling av reaktions- och/eller tvaettmedier som uppstaor vid framstaellning av cellulosaetrar |
US5205937A (en) * | 1992-04-30 | 1993-04-27 | U.S. Filter Membralox | Recovery and reuse of water-based cleaners |
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 |
US5470481A (en) * | 1993-10-13 | 1995-11-28 | Modell Environmental Corporation | Method and apparatus for recovering wash water from pulp and paper mill effluent |
AU683738B2 (en) * | 1994-03-17 | 1997-11-20 | Paper Australia Pty Ltd | Regeneration of pulp liquors |
AUPM452794A0 (en) * | 1994-03-17 | 1994-04-14 | Amcor Limited | Waste water recovery system |
US5501798A (en) * | 1994-04-06 | 1996-03-26 | Zenon Environmental, Inc. | Microfiltration enhanced reverse osmosis for water treatment |
US6110376A (en) * | 1998-02-09 | 2000-08-29 | J. D. Irving, Limited | Use of reverse osmosis membranes to treat evaporator clean condensate |
FR2802117B1 (fr) * | 1999-12-09 | 2002-02-22 | Degremont | Perfectionnements apportes a la filtration sur membranes |
WO2004013409A1 (en) * | 2002-07-25 | 2004-02-12 | Coffin World Water Systems | Apparatus and method for treating black liquor |
EP1652860B1 (en) * | 2004-11-02 | 2008-10-15 | Shin-Etsu Chemical Co., Ltd. | Method of separating water-soluble cellulose ether |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3516932A (en) * | 1962-06-04 | 1970-06-23 | Monsanto Co | Clarification of water |
US3171803A (en) * | 1963-08-13 | 1965-03-02 | Gen Services Company | Process for removing hardness from water |
US3472767A (en) * | 1968-01-31 | 1969-10-14 | Hercules Inc | Waste treatment |
US3519558A (en) * | 1968-02-15 | 1970-07-07 | Abcor Inc | Separation of similar solutes using a semipermeable membrane |
US3615024A (en) * | 1968-08-26 | 1971-10-26 | Amicon Corp | High flow membrane |
US3639206A (en) * | 1969-07-29 | 1972-02-01 | Continental Can Co | Treatment of waste water from alkaline pulping processes |
US3578587A (en) * | 1970-01-05 | 1971-05-11 | Nalco Chemical Co | Color removal process |
FR2180446A1 (en) * | 1972-04-17 | 1973-11-30 | Rhone Poulenc Sa | Ultrafiltration process - with fluid pressure fluctuations to keep membrane clean |
US4014787A (en) * | 1974-01-02 | 1977-03-29 | Systems Engineering & Manufacturing Corporation | Wastewater treatment |
JPS5841114B2 (ja) * | 1975-09-16 | 1983-09-09 | ダイセル化学工業株式会社 | カミパルプハイスイシヨリホウ |
-
1976
- 1976-05-12 FR FR7615150A patent/FR2351063A1/fr active Granted
-
1977
- 1977-05-10 US US05/795,564 patent/US4155845A/en not_active Expired - Lifetime
- 1977-05-10 NO NO771649A patent/NO771649L/no unknown
- 1977-05-11 FI FI771495A patent/FI771495A/fi not_active Application Discontinuation
- 1977-05-11 CA CA278,201A patent/CA1073126A/fr not_active Expired
- 1977-05-11 JP JP5328977A patent/JPS52138364A/ja active Granted
- 1977-05-11 SE SE7705511A patent/SE7705511L/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NO771649L (no) | 1977-11-15 |
CA1073126A (fr) | 1980-03-04 |
JPS6257397B2 (xx) | 1987-12-01 |
US4155845A (en) | 1979-05-22 |
JPS52138364A (en) | 1977-11-18 |
SE7705511L (sv) | 1977-11-13 |
FR2351063A1 (fr) | 1977-12-09 |
FR2351063B1 (xx) | 1979-10-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: RHONE- POULENC INDUSTRIES |