DE2321722C3 - Verfahren zum Behandeln von Abwasser, das biologisch abbaubare kohlenstoffhaltige und stickstoffhaltige Verunreinigungen enthält - Google Patents
Verfahren zum Behandeln von Abwasser, das biologisch abbaubare kohlenstoffhaltige und stickstoffhaltige Verunreinigungen enthältInfo
- Publication number
- DE2321722C3 DE2321722C3 DE2321722A DE2321722A DE2321722C3 DE 2321722 C3 DE2321722 C3 DE 2321722C3 DE 2321722 A DE2321722 A DE 2321722A DE 2321722 A DE2321722 A DE 2321722A DE 2321722 C3 DE2321722 C3 DE 2321722C3
- Authority
- DE
- Germany
- Prior art keywords
- zone
- liquid
- bod
- sludge
- gassing
- Prior art date
- 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
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 title claims description 61
- 238000000034 method Methods 0.000 title claims description 50
- 239000002351 wastewater Substances 0.000 title claims description 12
- 239000000356 contaminant Substances 0.000 title 1
- 235000015097 nutrients Nutrition 0.000 claims description 130
- 239000007788 liquid Substances 0.000 claims description 111
- 239000007787 solid Substances 0.000 claims description 84
- 244000005700 microbiome Species 0.000 claims description 83
- 239000010802 sludge Substances 0.000 claims description 82
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 62
- 239000001301 oxygen Substances 0.000 claims description 62
- 229910052760 oxygen Inorganic materials 0.000 claims description 62
- 239000007789 gas Substances 0.000 claims description 54
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 39
- 229910052799 carbon Inorganic materials 0.000 claims description 39
- 238000003958 fumigation Methods 0.000 claims description 35
- 238000005273 aeration Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000000126 substance Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 239000012535 impurity Substances 0.000 claims description 6
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 20
- 239000002028 Biomass Substances 0.000 description 18
- 239000000463 material Substances 0.000 description 16
- 229910052757 nitrogen Inorganic materials 0.000 description 10
- 239000000203 mixture Substances 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 230000001546 nitrifying effect Effects 0.000 description 6
- 230000002829 reductive effect Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000002354 daily effect Effects 0.000 description 5
- 230000003247 decreasing effect Effects 0.000 description 5
- 239000010865 sewage Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 238000005352 clarification Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000004941 influx Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 230000003134 recirculating effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 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
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000009938 salting Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 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
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- 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
- 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
-
- 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
-
- 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
- Y10S210/902—Materials removed
- Y10S210/903—Nitrogenous
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)
- Microbiology (AREA)
- Biodiversity & Conservation Biology (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24915972A | 1972-05-01 | 1972-05-01 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2321722A1 DE2321722A1 (de) | 1973-11-15 |
| DE2321722B2 DE2321722B2 (de) | 1977-06-08 |
| DE2321722C3 true DE2321722C3 (de) | 1979-08-09 |
Family
ID=22942282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2321722A Expired DE2321722C3 (de) | 1972-05-01 | 1973-04-28 | Verfahren zum Behandeln von Abwasser, das biologisch abbaubare kohlenstoffhaltige und stickstoffhaltige Verunreinigungen enthält |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3764523A (OSRAM) |
| JP (1) | JPS6012118B2 (OSRAM) |
| AU (1) | AU473897B2 (OSRAM) |
| CA (1) | CA989983A (OSRAM) |
| DE (1) | DE2321722C3 (OSRAM) |
| FR (1) | FR2183103B1 (OSRAM) |
| GB (1) | GB1420421A (OSRAM) |
| IT (1) | IT980394B (OSRAM) |
| ZA (2) | ZA732913B (OSRAM) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2834130A1 (de) * | 1977-08-03 | 1979-02-15 | Romo N P | Verfahren zur biologischen reinigung von wasser mit einem ueberstroemen einer fluessigkeit zwischen getrennten aktivierungskammern und vorrichtung zur durchfuehrung des verfahrens |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3960717A (en) * | 1972-01-20 | 1976-06-01 | Air Products And Chemicals, Inc. | Process for treating waste water |
| US3964998A (en) * | 1972-08-04 | 1976-06-22 | The South African Inventions Development Corporation | Improvements in and relating to waste water treatment |
| US3930998A (en) * | 1974-09-18 | 1976-01-06 | Sterling Drug Inc. | Wastewater treatment |
| US4202763A (en) * | 1975-02-07 | 1980-05-13 | Hitachi, Ltd. | High-efficient activated sludge method |
| US3994802A (en) * | 1975-04-16 | 1976-11-30 | Air Products And Chemicals, Inc. | Removal of BOD and nitrogenous pollutants from wastewaters |
| US4056465A (en) * | 1976-04-12 | 1977-11-01 | Air Products And Chemicals, Inc. | Production of non-bulking activated sludge |
| US4162153A (en) * | 1976-04-12 | 1979-07-24 | Air Products And Chemicals, Inc. | High nitrogen and phosphorous content biomass produced by treatment of a BOD-containing material |
| USRE32429E (en) * | 1976-04-12 | 1987-06-02 | Air Products And Chemicals, Inc. | Production of non-bulking activated sludge |
| US4160723A (en) * | 1976-05-10 | 1979-07-10 | Kovacs Andrew J | Method and apparatus for removal of pollutants from waste water |
| JPS5325060A (en) * | 1976-08-18 | 1978-03-08 | Morinaga Eng Kk | Treating method of organic waste water |
| US4132637A (en) * | 1976-09-02 | 1979-01-02 | Fmc Corporation | Ozone disinfection in waste water treatment with recycling of ozonation off gas |
| DE2640875C3 (de) * | 1976-09-10 | 1983-01-20 | Machinefabriek W. Hubert & Co. B.V., Sneek | Zweistufiges Belebtschlammverfahren zur Reinigung von Abwasser |
| NL7706189A (nl) * | 1977-06-06 | 1978-12-08 | Stamicarbon | Werkwijze voor nitrificeren van afvalwater. |
| AU523598B2 (en) * | 1977-11-04 | 1982-08-05 | John Hager Reid | Aeration ditch |
| US4173531A (en) * | 1977-11-23 | 1979-11-06 | Union Carbide Corporation | Nitrification-denitrification of wastewater |
| DE2803759C3 (de) * | 1978-01-28 | 1983-01-13 | Böhnke, Botho, Prof. Dr.-Ing. | Zweistufige Anlage für die Aufbereitung von Abwasser nach dem Belebtschlammverfahren |
| JPS54108461A (en) * | 1978-02-15 | 1979-08-25 | Mitsui Miike Mach Co Ltd | Method of denitrifying high concentration nitrogen contained waste water |
| DE2904335A1 (de) * | 1979-02-06 | 1980-11-20 | Bayer Ag | Verfahren zur reinigung von abwasser mit einem hohen gehalt an stickstoffverbindungen |
| DE3032882A1 (de) * | 1980-09-01 | 1982-04-15 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zur biologischen reinigung von abwasser |
| DE3131989A1 (de) * | 1981-08-13 | 1983-02-24 | Linde Ag, 6200 Wiesbaden | Verfahren und vorrichtung zur biologischen reinigung von abwasser |
| DE3317371C1 (de) * | 1983-05-13 | 1984-10-31 | Böhnke, Botho, Prof. Dr.-Ing., 5100 Aachen | Verfahren zur Reinigung von Abwasser in Anlagen mit Adsorptionsstufe |
| US4693827A (en) * | 1986-03-20 | 1987-09-15 | Zimpro Inc. | Process for protection of biological nitrification systems |
| US4961854A (en) * | 1988-06-30 | 1990-10-09 | Envirex Inc. | Activated sludge wastewater treatment process |
| US4975197A (en) * | 1989-05-03 | 1990-12-04 | Envirex Inc. | Orbal wastewater treatment process |
| KR960013338B1 (ko) * | 1991-07-12 | 1996-10-04 | 타쯔오 시미즈 | 폐수처리방법 및 폐수처리장치 |
| DE4236791C1 (de) * | 1992-10-30 | 1994-04-07 | Nordenskjoeld Reinhart Von | Verfahren und Vorrichtung zum Reinigen von Abwasser |
| AU5071199A (en) * | 1998-07-24 | 2000-02-14 | Dhv Water Bv | Process for the treatment of waste water containing specific components, e.g. ammonia |
| ES2328755T3 (es) * | 1998-07-24 | 2009-11-17 | Paques Bio Systems B.V. | Proceso para el tratamiento de agua resigual conteniendo amonio. |
| WO2001005715A1 (en) * | 1999-07-20 | 2001-01-25 | Zenon Environmental Inc. | Biological process for removing phosphorus involving a membrane filter |
| US6485645B1 (en) | 1999-07-20 | 2002-11-26 | Zenon Environmental Inc | Biological process for removing phosphorus involving a membrane filter |
| US6592762B2 (en) | 2001-08-29 | 2003-07-15 | United States Filter Corporation | Process for treating BOD-containing wastewater |
| JP2005500906A (ja) * | 2001-09-03 | 2005-01-13 | コングステド マスキンファブリク ２００３ アーペーエス | 下水を生物学的に浄化する方法及び該方法に従って用いる好ましくは小型浄化プラントであるプラント。 |
| US6706185B2 (en) | 2002-05-22 | 2004-03-16 | Kurita Water Industries Ltd. | Biological method of phosphorus removal and biological phosphorus-removing apparatus |
| WO2005026064A1 (en) * | 2003-09-15 | 2005-03-24 | Biokube International A/S | A method and a plant for waste water treatment |
| KR101215912B1 (ko) * | 2004-02-02 | 2012-12-31 | 쿠리타 고교 가부시키가이샤 | 유기성 배수의 생물 처리 방법 및 장치 |
| DE102005044255A1 (de) * | 2005-09-21 | 2007-04-05 | Abwasserbeseitigungsbetrieb Der Stadt Pirmasens | Verfahrenskonzept für eine fracht- und nährstoffoptimierte Kläranlage |
| WO2008141113A1 (en) | 2007-05-10 | 2008-11-20 | O'regan Patrick T Jr | Systems, methods and components for water treatment and remediation |
| AU2009320033A1 (en) * | 2008-11-02 | 2010-06-03 | Nobska Technologies, Inc | Water treatment systems with communications network links and methods |
| US8287734B2 (en) * | 2009-02-27 | 2012-10-16 | Bion Technologies, Inc. | Method for treating nitrogen in waste streams |
| JP4995215B2 (ja) * | 2009-03-23 | 2012-08-08 | 前澤工業株式会社 | 汚水処理設備 |
| US20140076809A1 (en) * | 2012-09-19 | 2014-03-20 | Korea Institute Of Science And Technology | Apparatus for recovery of magnetic nanoparticles and apparatus and method for forward osmosis membrane filtration using the same |
| EP2792646B1 (de) * | 2013-04-16 | 2015-05-27 | Demon GmbH | Verfahren und Anlage zur Behandlung von ammoniumhaltigem Abwasser |
| PE20160056A1 (es) * | 2013-06-27 | 2016-02-11 | Sasol Tech Pty Ltd | Produccion de biomasa para su uso en el tratamiento de aguas residuales industriales |
| CA2884503C (en) * | 2014-03-08 | 2021-11-30 | Triplepoint Environmental LLC | Lagoon biological treatment method and system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1149511A (en) * | 1965-06-17 | 1969-04-23 | Carves Simon Ltd | Improvements in or relating to sewage treatment |
| US3401113A (en) * | 1966-07-11 | 1968-09-10 | Petro Tex Chem Corp | Waste treatment process |
| US3547812A (en) * | 1969-07-02 | 1970-12-15 | Union Carbide Corp | High oxygen utilization in bod-containing water treatment |
| US3654147A (en) * | 1971-03-16 | 1972-04-04 | Biospherics Inc | Nitrate removal from sewage |
-
1972
- 1972-05-01 US US3764523D patent/US3764523A/en not_active Expired - Lifetime
-
1973
- 1973-04-09 CA CA168,270A patent/CA989983A/en not_active Expired
- 1973-04-27 FR FR7315552A patent/FR2183103B1/fr not_active Expired
- 1973-04-28 DE DE2321722A patent/DE2321722C3/de not_active Expired
- 1973-04-30 IT IT4973573A patent/IT980394B/it active
- 1973-04-30 AU AU54964/73A patent/AU473897B2/en not_active Expired
- 1973-04-30 GB GB2035573A patent/GB1420421A/en not_active Expired
- 1973-04-30 ZA ZA732913A patent/ZA732913B/xx unknown
- 1973-04-30 ZA ZA732914A patent/ZA732914B/xx unknown
- 1973-05-01 JP JP48047694A patent/JPS6012118B2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2834130A1 (de) * | 1977-08-03 | 1979-02-15 | Romo N P | Verfahren zur biologischen reinigung von wasser mit einem ueberstroemen einer fluessigkeit zwischen getrennten aktivierungskammern und vorrichtung zur durchfuehrung des verfahrens |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2183103A1 (OSRAM) | 1973-12-14 |
| AU473897B2 (en) | 1976-07-08 |
| JPS4942148A (OSRAM) | 1974-04-20 |
| ZA732914B (en) | 1974-04-24 |
| JPS6012118B2 (ja) | 1985-03-29 |
| AU5496473A (en) | 1974-10-31 |
| FR2183103B1 (OSRAM) | 1975-12-26 |
| ZA732913B (en) | 1974-04-24 |
| GB1420421A (en) | 1976-01-07 |
| US3764523A (en) | 1973-10-09 |
| DE2321722B2 (de) | 1977-06-08 |
| DE2321722A1 (de) | 1973-11-15 |
| CA989983A (en) | 1976-05-25 |
| IT980394B (it) | 1974-09-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2321722B2 (de) | Verfahren zum behandeln von abwasser, das biologisch abbaubare kohlenstoffhaltige und stickstoffhaltige verunreinigungen enthaelt | |
| DE2715256C2 (OSRAM) | ||
| DE69221993T2 (de) | Verfahren für Abwasserbehandlung | |
| DE68904598T2 (de) | Abwasserbehandlungsverfahren. | |
| DE69202985T2 (de) | Verfahren und system fuer biologische beseitigung von stickstoff aus abwaessern. | |
| DE2032480C3 (de) | Verfahren und Vorrichtung zum Behandeln von Abwasser | |
| DE2032535C3 (de) | Verfahren zum Behandeln von Abwasser | |
| DE69616216T2 (de) | Verfahren und Anlage für die biologische Entfernung von Stickstoff | |
| DE2032528A1 (de) | Verfahren und Vorrichtung zum Behandeln von Abwasser | |
| DE2616212A1 (de) | Verfahren zur schlamm-abwasser- aufbereitung, insbesondere zur entfernung stickstoff- und kohlenstoffhaltiger stoffe aus haushalts- und industrieabwaessern | |
| DE2032189A1 (de) | Verfahren zur Behandlung von Abwasser | |
| CH621752A5 (OSRAM) | ||
| DE2528800B2 (de) | Verfahren zum beseitigen von bsb aus abwasser | |
| EP0233466A2 (de) | Verfahren zur biologischen Abwasserreinigung | |
| DE2032440B2 (de) | Verfahren zum behandeln von abwasser | |
| DE69703984T2 (de) | Prozess zur entfernung von organischen komponenten aus abwasser und zur denitrifikation mit hilfe von sauerstoff | |
| DE2454426A1 (de) | Verfahren zur behandlung roher abwaesser und anlage zur durchfuehrung des verfahrens | |
| DE2321725C3 (de) | Verfahren zum Behandeln von Abwasser | |
| EP0019203B1 (de) | Verfahren und Vorrichtung zur Nitrifikation und Denitrifikation von Abwässern | |
| DE3241348C2 (OSRAM) | ||
| DE2821054C2 (de) | Belebtschlammverfahren zur Reinigung von Abwasser | |
| DE2339557A1 (de) | Verfahren und vorrichtung zum entfernen von stickstoff aus stickstoffhaltige verbindungen enthaltenden organischen abwaessern | |
| DE2365749C3 (de) | Verfahren zum Behandeln von Abwasser | |
| DE2518570C3 (de) | Verfahren zur biologischen Reinigung von Abwasser | |
| DE2133563C3 (de) | Verfahren und Vorrichtung zur Sauerstoff anreicherung und Ozonisierung von BSB-haltigem Abwasser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: LINDE AG, 6200 WIESBADEN, DE |
|
| 8339 | Ceased/non-payment of the annual fee |