PT85836B - Processo de purificacao, por via biologiga, de aguas residuais sobre leito de material granular - Google Patents
Processo de purificacao, por via biologiga, de aguas residuais sobre leito de material granular Download PDFInfo
- Publication number
- PT85836B PT85836B PT85836A PT8583687A PT85836B PT 85836 B PT85836 B PT 85836B PT 85836 A PT85836 A PT 85836A PT 8583687 A PT8583687 A PT 8583687A PT 85836 B PT85836 B PT 85836B
- Authority
- PT
- Portugal
- Prior art keywords
- water
- process according
- layer
- treated
- bed
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 25
- 230000008569 process Effects 0.000 title claims description 20
- 238000000746 purification Methods 0.000 title claims description 8
- 239000008187 granular material Substances 0.000 title claims description 7
- 239000003643 water by type Substances 0.000 title claims 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 43
- 239000002028 Biomass Substances 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
- 229910052760 oxygen Inorganic materials 0.000 claims description 8
- 239000001301 oxygen Substances 0.000 claims description 8
- 238000011282 treatment Methods 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 7
- 230000003247 decreasing effect Effects 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 238000005273 aeration Methods 0.000 claims description 3
- 239000008213 purified water Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 239000004927 clay Substances 0.000 claims description 2
- 239000000701 coagulant Substances 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 206010002660 Anoxia Diseases 0.000 claims 1
- 241000976983 Anoxia Species 0.000 claims 1
- 206010021143 Hypoxia Diseases 0.000 claims 1
- 230000007953 anoxia Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 description 10
- 235000014113 dietary fatty acids Nutrition 0.000 description 6
- 229930195729 fatty acid Natural products 0.000 description 6
- 239000000194 fatty acid Substances 0.000 description 6
- 150000004665 fatty acids Chemical class 0.000 description 6
- 230000002053 acidogenic effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 244000166071 Shorea robusta Species 0.000 description 1
- 235000015076 Shorea robusta Nutrition 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000008570 general process Effects 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000011045 prefiltration Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 241000894007 species Species 0.000 description 1
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
- C02F3/06—Aerobic processes using submerged filters
-
- 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
- C02F3/10—Packings; Fillings; Grids
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
-
- 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)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8613675A FR2604990B1 (fr) | 1986-10-01 | 1986-10-01 | Procede de purification, par voie biologique, d'eaux residuaires sur lit de materiau granulaire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT85836A PT85836A (fr) | 1987-10-01 |
| PT85836B true PT85836B (pt) | 1990-07-31 |
Family
ID=9339439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT85836A PT85836B (pt) | 1986-10-01 | 1987-09-30 | Processo de purificacao, por via biologiga, de aguas residuais sobre leito de material granular |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4800021A (en]) |
| EP (1) | EP0265303B1 (en]) |
| JP (1) | JPS63171697A (en]) |
| CA (1) | CA1326078C (en]) |
| DE (1) | DE3761970D1 (en]) |
| ES (1) | ES2013770B3 (en]) |
| FR (1) | FR2604990B1 (en]) |
| PT (1) | PT85836B (en]) |
Families Citing this family (89)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4892651A (en) * | 1988-03-25 | 1990-01-09 | Hill Theodore L | Filtering system for fish ponds |
| FR2632947B1 (fr) * | 1988-06-16 | 1991-10-18 | Omnium Traitement Valorisa | Procede et dispositif d'epuration d'eaux residuaires sur filtre biologique a particules moins denses que l'eau |
| FR2643065B1 (fr) * | 1989-02-14 | 1991-06-14 | Omnium Traitement Valorisa | Procede et installation de traitement biologique, y compris nitrification et denitratation, d'une eau residuaire a traiter |
| US4997568A (en) * | 1989-09-08 | 1991-03-05 | Vandervelde Don M | Process and apparatus for a biological reactor to purify water |
| GB9012703D0 (en) * | 1990-06-07 | 1990-08-01 | Anglian Water Services Ltd | Sewage treatment |
| JPH0736919B2 (ja) * | 1990-06-13 | 1995-04-26 | 勝利 大島 | 有機性廃液の浄化方法 |
| FR2663921B1 (fr) * | 1990-06-27 | 1992-12-11 | Eel D Yeu | Procede et dispositif de purification d'une eau polluee en dechets azotes. |
| JPH0461993A (ja) * | 1990-06-28 | 1992-02-27 | Ebara Infilco Co Ltd | 有機性汚水の生物学的硝化脱窒素方法および装置 |
| CA2022097C (en) * | 1990-07-27 | 1995-02-14 | Gerardo Buelna | Method of pre-treating peat for use in biofilters for wastewater treatment and use thereof |
| FR2669917B1 (fr) * | 1990-12-03 | 1993-07-16 | Degremont Sa | Reacteur d'oxydation et de reduction biologique, procede de biofiltration et procedes de lavage mis en óoeuvre dans ce reacteur. |
| FR2673618B1 (fr) * | 1991-03-08 | 1994-01-21 | Omnium Traitements Valorisation | Procede d'epuration biologique des eaux par nitrification et denitrification. |
| FR2679897B1 (fr) * | 1991-08-02 | 1994-02-18 | Omnium Traitements Valorisation | Procede pour l'elimination, par voie biologique, des nutriments carbones, azotes et phosphores dans les eaux residuaires. |
| US5217616A (en) * | 1991-12-06 | 1993-06-08 | Allied-Signal Inc. | Process and apparatus for removal of organic pollutants from waste water |
| US5667688A (en) * | 1991-12-23 | 1997-09-16 | T. Kruger Systems As | Process for the purification of polluted water |
| FR2689494B1 (fr) * | 1992-04-03 | 1994-06-24 | Cise | Procede et dispositif pour la purification d'eaux residuaires par voie biologique. |
| US6153094A (en) * | 1992-05-13 | 2000-11-28 | E. Craig Jowett | Wastewater treatment method and apparatus |
| US5707513A (en) * | 1992-05-13 | 1998-01-13 | Jowett; E. Craig | Wastewater treatment method and apparatus |
| US5804432A (en) * | 1992-06-18 | 1998-09-08 | Knapp; Doug | Method and apparatus for treating contaminated water |
| US5605629A (en) * | 1992-08-03 | 1997-02-25 | Rogalla; Frank A. | Method for the removal of nutrients containing carbon, nitrogen and phosphorus |
| JP2776983B2 (ja) * | 1992-08-10 | 1998-07-16 | プロテック パルトナー フューア ウムヴェルト テヒニーク ゲゼルシャフト ミット ベシュレンクテル ハフツング | 有機物含有排水および有機廃物を生物学的に処理する方法および装置 |
| JP3468784B2 (ja) * | 1992-08-25 | 2003-11-17 | 栗田工業株式会社 | 超純水製造装置 |
| AU674713B2 (en) * | 1993-02-04 | 1997-01-09 | Envirex Inc. | Method of and apparatus for reducing iron fouling in groundwater treatment systems |
| US5352357A (en) * | 1993-02-18 | 1994-10-04 | Perry Cliff R | Waste water treatment system |
| US5496472A (en) * | 1993-12-20 | 1996-03-05 | Tetra Technologies, Inc. | Method and apparatus for denitrification of wastewater |
| CA2139554C (en) * | 1994-01-06 | 2008-09-09 | E. Craig Jowett | Waste water treatment method and apparatus |
| CA2133265C (en) * | 1994-09-29 | 2002-01-08 | Serge R. Guiot | Anaerobic and aerobic integrated system for biotreatment of toxic wastes (canoxis) |
| NL9401669A (nl) * | 1994-10-10 | 1996-05-01 | Boat Care Holland Bv | Biologische afvalfluidumreiniger. |
| JP3323040B2 (ja) * | 1995-09-06 | 2002-09-09 | シャープ株式会社 | 超純水製造装置 |
| US5776344A (en) * | 1995-10-26 | 1998-07-07 | Tetra Technologies Inc. | Method for removing nitrogen from wastewater |
| NL1001576C2 (nl) * | 1995-11-03 | 1997-05-13 | Vacuplast B V | Werkwijze en inrichting voor het zuiveren van verontreinigd water. |
| JP3233563B2 (ja) * | 1995-12-28 | 2001-11-26 | シャープ株式会社 | 排水処理装置および排水処理方法 |
| DE19603690A1 (de) * | 1996-02-02 | 1997-08-07 | Staehler Gmbh | Verfahren zur aeroben, weitergehenden biologischen Reinigung von Abwässern |
| US5705057A (en) * | 1996-03-25 | 1998-01-06 | Hoffa; Gary | Fluidized bed biological filter assembly for fish tanks |
| US6086765A (en) * | 1996-08-29 | 2000-07-11 | Atara Environmental, Inc. | Multi-stage facultative wastewater treatment system and method hydrolyzing biosolids |
| JP3350364B2 (ja) * | 1996-09-06 | 2002-11-25 | シャープ株式会社 | 排水処理方法および排水処理装置 |
| FR2760739B1 (fr) * | 1997-03-13 | 1999-04-30 | Omnium Traitement Valorisa | Dispositif pour la filtration ascendante des eaux residuaires a lit granulaire multi-couches |
| FR2760738B1 (fr) * | 1997-03-13 | 1999-04-30 | Omnium Traitement Valorisa | Dispositif pour la filtration ascendante des eaux residuaires |
| CA2204422A1 (en) | 1997-05-02 | 1998-11-02 | Alexandra Kantardjieff | Method of treating the liquid fraction of pig manure by an aerobic biofilter and sequestration of the solid fraction by zeolite |
| DE19723789C2 (de) * | 1997-06-06 | 2000-08-03 | Preussag Wassertechnik Gmbh | Verfahren und Vorrichtung zur biologischen Entfernung von Stickstoff aus Abwasser |
| DE19758486C2 (de) * | 1997-06-06 | 2000-08-17 | Preussag Wassertechnik Gmbh | Verfahren und Vorrichtung zur biologischen Entfernung von Stickstoff aus Abwasser |
| FR2764817B1 (fr) * | 1997-06-19 | 1999-09-10 | Omnium Traitement Valorisa | Procede de regulation de l'apport en gaz oxygene dans un biofiltre a courants ascendants et installation pour la mise en oeuvre d'un tel procede |
| FR2764820B1 (fr) * | 1997-06-19 | 1999-09-10 | Omnium Traitement Valorisa | Procede de controle et de regulation de la perte de charge dans un filtre biologique et installation pour la mise en oeuvre d'un tel procede |
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| US6569322B1 (en) * | 2000-05-18 | 2003-05-27 | University Of New Orleans Research And Technology Foundation, Inc. | Metal stearate denitrification system |
| US6685826B1 (en) * | 2000-08-29 | 2004-02-03 | Ron James | Fish pond filter system |
| US6447675B1 (en) * | 2000-08-29 | 2002-09-10 | Ron James | Fish pond filter system |
| US6565750B2 (en) * | 2000-08-31 | 2003-05-20 | O'brien & Gere Engineers, Inc. | Trickling filter system for biological nutrient removal |
| US6709591B1 (en) * | 2001-07-02 | 2004-03-23 | Iowa State University Research Foundation, Inc. | Static granular bed reactor |
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| US9079786B2 (en) * | 2006-06-20 | 2015-07-14 | Johannes van Leeuwen | Purification of thin stillage from dry-grind corn milling with fungi |
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| US8481295B2 (en) * | 2007-06-20 | 2013-07-09 | Johannes van Leeuwen | Fungi cultivation on alcohol fermentation stillage for useful products and energy savings |
| BRPI0805308B1 (pt) * | 2007-07-04 | 2020-12-01 | Kabushiki Kaisha Toshiba (Toshiba Corporation) | aparelho de tratamento de água sem aeração |
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| PL2254842T3 (pl) * | 2008-01-28 | 2017-04-28 | Biowater Technology AS | Sposób i urządzenie do oczyszczania ścieków |
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| US8029674B2 (en) * | 2009-06-01 | 2011-10-04 | The United States Of America As Represented By The Administrator Of The Environmental Protection Agency | Biological filter for oxidizing ammonia in drinking water treatment |
| WO2012018309A1 (en) * | 2010-08-06 | 2012-02-09 | Keppel Seghers Engineering Singapore Pte Ltd | Apparatus and method for anaerobic treatment of wastewater |
| KR101272016B1 (ko) | 2010-11-17 | 2013-06-10 | 안대희 | 생물막 및 호기성 그래뉼 슬러지를 이용한 하·폐수처리 장치 및 방법 |
| DK2508488T3 (en) | 2011-04-04 | 2015-09-14 | Veolia Water Solutions & Tech | Improved biological wastewater treatment reactor and process |
| US9682876B2 (en) | 2011-05-13 | 2017-06-20 | ProAct Services Corporation | System and method for the treatment of wastewater |
| CN102502952B (zh) * | 2011-11-08 | 2014-04-16 | 清华大学 | 提高氨氮去除能力的饮用水处理曝气炭砂滤池 |
| CN102531173B (zh) * | 2012-03-02 | 2013-11-27 | 浙江大学 | 复合介质生物滤器污水处理装置 |
| KR101316051B1 (ko) * | 2012-04-30 | 2013-10-10 | 주식회사 라이크 | 생물학적 방법을 이용한 난분해성 슬러지의 처리장치 |
| US9255025B2 (en) | 2012-07-20 | 2016-02-09 | ProAct Services Corporation | Method for the treatment of wastewater |
| US9227863B2 (en) | 2013-11-21 | 2016-01-05 | Ronald F. Malone | Biofiltration with enhanced sludge handling |
| US20160279542A1 (en) * | 2015-03-26 | 2016-09-29 | Thomas G. Stroope | Pond Filter |
| US9827512B2 (en) * | 2015-06-03 | 2017-11-28 | Ronald F. Malone | Embedded influent diffuser for floating media filter |
| US20160354711A1 (en) * | 2015-06-03 | 2016-12-08 | Ronald F. Malone | Embedded Influent Diffuser for Floating Media Filter |
| US10913667B2 (en) * | 2017-12-08 | 2021-02-09 | Westech Engineering, Inc. | Multi-media clarification systems and methods |
| DE102018101081A1 (de) | 2018-01-18 | 2019-07-18 | Cnp-Technology Water And Biosolids Gmbh | Verfahren und Anordnung zur Gewinnung von Magnesiumammoniumphosphat |
| MA62198A1 (fr) * | 2023-09-01 | 2025-03-28 | Université Internationale de RABAT | Nouvelle technique de filtration des effluents liquides par valorisation de l’oxygène O2 et du carbone C extraits du craquage de CO2 par résonance électromagnétique |
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| US3126333A (en) * | 1964-03-24 | Step a | ||
| US3171802A (en) * | 1962-11-14 | 1965-03-02 | Gen Services Company | Sewage treatment |
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| FR2235089A1 (en) * | 1973-06-26 | 1975-01-24 | Anvar | Elimination of chemically bound nitrogen from liquid effluent - by passing through beds contg. aerobic and then anaerobic bateria |
| GB1580733A (en) * | 1977-06-10 | 1980-12-03 | Degremont | Method of biological purification of sewage |
| US4253947A (en) * | 1979-02-12 | 1981-03-03 | Kansas State University Research Foundation | Method for wastewater treatment in fluidized bed biological reactors |
| NL7908138A (nl) * | 1979-11-07 | 1981-06-01 | Gist Brocades Nv | Werkwijze voor het bereiden en in stand houden van biomassa op drager. |
| JPS5923878A (ja) * | 1982-07-28 | 1984-02-07 | Kokusai Electric Co Ltd | プラズマエツチング装置 |
| DE3228365A1 (de) * | 1982-07-29 | 1984-02-02 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zur biologischen reinigung von abwasser |
| FR2540484A1 (fr) * | 1983-02-03 | 1984-08-10 | Degremont Sa | Appareil pour la filtration anaerobie d'eaux residuaires |
| JPS60187396A (ja) * | 1984-03-06 | 1985-09-24 | Hitachi Plant Eng & Constr Co Ltd | 廃水の生物学的窒素除去装置 |
| JPS6113859A (ja) * | 1984-06-29 | 1986-01-22 | Nec Corp | 発信音送出方式 |
| EP0193979A3 (fr) * | 1985-02-25 | 1989-01-11 | ACEC, Société Anonyme | Procédé d'élimination de nitrates au moyen d'une conversion micro-biologique en présence d'hydrogène gazeux |
-
1986
- 1986-10-01 FR FR8613675A patent/FR2604990B1/fr not_active Expired - Lifetime
-
1987
- 1987-09-10 CA CA 546596 patent/CA1326078C/fr not_active Expired - Fee Related
- 1987-09-16 EP EP19870402064 patent/EP0265303B1/fr not_active Expired - Lifetime
- 1987-09-16 DE DE8787402064T patent/DE3761970D1/de not_active Expired - Lifetime
- 1987-09-16 ES ES87402064T patent/ES2013770B3/es not_active Expired - Lifetime
- 1987-09-25 US US07/100,972 patent/US4800021A/en not_active Expired - Lifetime
- 1987-09-30 PT PT85836A patent/PT85836B/pt not_active IP Right Cessation
- 1987-10-01 JP JP62249095A patent/JPS63171697A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4800021A (en) | 1989-01-24 |
| CA1326078C (fr) | 1994-01-11 |
| DE3761970D1 (de) | 1990-04-26 |
| ES2013770B3 (es) | 1990-06-01 |
| FR2604990B1 (fr) | 1991-04-05 |
| JPS63171697A (ja) | 1988-07-15 |
| JPH0450880B2 (en]) | 1992-08-17 |
| EP0265303B1 (fr) | 1990-03-21 |
| FR2604990A1 (fr) | 1988-04-15 |
| PT85836A (fr) | 1987-10-01 |
| EP0265303A1 (fr) | 1988-04-27 |
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