FR2204577B1 - - Google Patents
Info
- Publication number
- FR2204577B1 FR2204577B1 FR7338017A FR7338017A FR2204577B1 FR 2204577 B1 FR2204577 B1 FR 2204577B1 FR 7338017 A FR7338017 A FR 7338017A FR 7338017 A FR7338017 A FR 7338017A FR 2204577 B1 FR2204577 B1 FR 2204577B1
- Authority
- FR
- France
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1226—Particular type of activated sludge processes comprising an absorbent material suspended in the mixed liquor
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
-
- 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
- D21C11/12—Combustion of pulp liquors
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Water Treatment By Sorption (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US30140072A | 1972-10-26 | 1972-10-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2204577A1 FR2204577A1 (en) | 1974-05-24 |
FR2204577B1 true FR2204577B1 (xx) | 1977-05-27 |
Family
ID=23163180
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7338017A Granted FR2204577A1 (en) | 1972-10-26 | 1973-10-25 | Purificn of industrial and municipal waste water - by aeration in presence of active carbon suspension to reduce colour and org. carbon content |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS4976774A (xx) |
AU (1) | AU6127573A (xx) |
BR (1) | BR7308307D0 (xx) |
DE (1) | DE2353562A1 (xx) |
FR (1) | FR2204577A1 (xx) |
ZA (1) | ZA737730B (xx) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1089573A (en) * | 1977-03-19 | 1980-11-11 | Toshio Iwase | Method for treating waste water containing cyanide ion |
NO150971C (no) * | 1981-04-10 | 1985-01-23 | Papirind Forskningsinst | Fremgangsmaate ved rensning av kondensater fra sulfatprosessen |
EP0069800A1 (de) * | 1981-07-15 | 1983-01-19 | GebràDer Sulzer Aktiengesellschaft | Verfahren zur Reinigung von hydrazin-haltigen Abwässern |
US4623464A (en) * | 1985-03-21 | 1986-11-18 | Occidental Chemical Corporation | Removal of dioxins, PCB's and other halogenated organic compounds from wastewater |
JPS63309691A (ja) * | 1987-06-12 | 1988-12-16 | 株式会社日本紙パルプ研究所 | 紙・パルプ製造工程用水中の異物の除去法 |
JP2535175B2 (ja) * | 1987-06-12 | 1996-09-18 | 株式会社日本紙パルプ研究所 | パルプ並びに紙の製造工程におけるピツチ障害を予防するためのピツチの定量法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2080907A1 (en) * | 1970-01-14 | 1971-11-26 | Du Pont | Sewage treatment using activated carbon or fuller's earth |
NL7102552A (xx) * | 1970-02-27 | 1971-08-31 |
-
1973
- 1973-10-02 ZA ZA737730A patent/ZA737730B/xx unknown
- 1973-10-11 AU AU61275/73A patent/AU6127573A/en not_active Expired
- 1973-10-24 BR BR830773A patent/BR7308307D0/pt unknown
- 1973-10-25 FR FR7338017A patent/FR2204577A1/fr active Granted
- 1973-10-25 JP JP12035073A patent/JPS4976774A/ja active Pending
- 1973-10-25 DE DE19732353562 patent/DE2353562A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
FR2204577A1 (en) | 1974-05-24 |
BR7308307D0 (pt) | 1974-09-24 |
ZA737730B (en) | 1974-09-25 |
JPS4976774A (xx) | 1974-07-24 |
AU6127573A (en) | 1975-04-17 |
DE2353562A1 (de) | 1974-05-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |