NO129401B - - Google Patents
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- Publication number
- NO129401B NO129401B NO01161/69A NO116169A NO129401B NO 129401 B NO129401 B NO 129401B NO 01161/69 A NO01161/69 A NO 01161/69A NO 116169 A NO116169 A NO 116169A NO 129401 B NO129401 B NO 129401B
- Authority
- NO
- Norway
- Prior art keywords
- phosphorus
- sewage
- treatment
- stated
- removal
- Prior art date
Links
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 59
- 229910052698 phosphorus Inorganic materials 0.000 claims description 59
- 239000011574 phosphorus Substances 0.000 claims description 59
- 239000007788 liquid Substances 0.000 claims description 38
- 239000010865 sewage Substances 0.000 claims description 30
- 150000003839 salts Chemical class 0.000 claims description 26
- 239000000126 substance Substances 0.000 claims description 25
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 23
- 238000005273 aeration Methods 0.000 claims description 21
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 19
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 19
- 239000004571 lime Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 10
- 238000001556 precipitation Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 8
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 230000012010 growth Effects 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 244000007645 Citrus mitis Species 0.000 claims description 2
- 230000001376 precipitating effect Effects 0.000 claims description 2
- 239000010953 base metal Substances 0.000 claims 1
- 239000010802 sludge Substances 0.000 description 36
- 238000005352 clarification Methods 0.000 description 29
- 229910019142 PO4 Inorganic materials 0.000 description 12
- 235000021317 phosphate Nutrition 0.000 description 12
- 238000007792 addition Methods 0.000 description 8
- 229940037003 alum Drugs 0.000 description 7
- 230000010261 cell growth Effects 0.000 description 7
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 6
- 239000010452 phosphate Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 159000000014 iron salts Chemical class 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005791 algae growth Effects 0.000 description 2
- -1 alum Chemical class 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000009388 chemical precipitation Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 230000002503 metabolic effect Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical class [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 239000002023 wood Substances 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
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- Y10S210/906—Phosphorus containing
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Removal Of Specific Substances (AREA)
- Activated Sludge Processes (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US71537668A | 1968-03-22 | 1968-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO129401B true NO129401B (xx) | 1974-04-08 |
Family
ID=24873784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO01161/69A NO129401B (xx) | 1968-03-22 | 1969-03-20 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3423309A (xx) |
| AT (1) | AT291868B (xx) |
| CH (1) | CH561665A5 (xx) |
| DE (1) | DE1913341A1 (xx) |
| DK (1) | DK138012B (xx) |
| FR (1) | FR2004566A6 (xx) |
| GB (1) | GB1269223A (xx) |
| NL (1) | NL6904432A (xx) |
| NO (1) | NO129401B (xx) |
| SE (1) | SE376227B (xx) |
Families Citing this family (41)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3480144A (en) * | 1968-05-03 | 1969-11-25 | Us Interior | Process for removing phosphorus from waste water |
| US3506570A (en) * | 1968-05-08 | 1970-04-14 | Dow Chemical Co | Clarification of and phosphate removal from sewage |
| US3635817A (en) * | 1968-10-17 | 1972-01-18 | Envirotech Corp | Waste water treatment process |
| US3617542A (en) * | 1969-02-11 | 1971-11-02 | Nalco Chemical Co | Removal of phosphates from sewage effluent |
| US3617539A (en) * | 1969-05-15 | 1971-11-02 | Standard Oil Co | Process for removing contaminants from waste-water |
| US4017388A (en) * | 1969-08-22 | 1977-04-12 | Dorr-Oliver Incorporated | Split treatment phosphorus removal from waste |
| US3617579A (en) * | 1969-12-31 | 1971-11-02 | Frank C Gunderloy Jr | Process for the partial denitrification of a dilute nitrate ion solution |
| US3763038A (en) * | 1970-04-10 | 1973-10-02 | Kurita Water Ind Ltd | Process for purifying water that contains organic matter |
| US3617540A (en) * | 1970-05-13 | 1971-11-02 | Us Interior | Removal of nitrogen and phosphorus from waste waters |
| US3673083A (en) * | 1970-12-28 | 1972-06-27 | Nalco Chemical Co | Sewage treatment |
| US3716484A (en) * | 1971-05-10 | 1973-02-13 | Michigan Chem Corp | Process for substantial removal of phosphates from wastewaters |
| US3915853A (en) * | 1971-08-25 | 1975-10-28 | Egon Luck | Sewage treatment |
| US3960717A (en) * | 1972-01-20 | 1976-06-01 | Air Products And Chemicals, Inc. | Process for treating waste water |
| US3772188A (en) * | 1972-02-28 | 1973-11-13 | R Edwards | Sewage treatment apparatus and method |
| US4173532A (en) * | 1974-03-07 | 1979-11-06 | Entenmann's, Inc. | Method for treating plant effluent |
| US4098689A (en) * | 1974-07-05 | 1978-07-04 | Idemitsu Kosan Company, Ltd. | Method of treating waste water with activated sludge |
| JPS5279556A (en) * | 1975-12-25 | 1977-07-04 | Hitachi Ltd | Method of treating aerophobically digested liquid |
| HU172727B (hu) * | 1976-02-07 | 1978-11-28 | Tatabanyai Szenbanyak | Sposob ochistki navoznoj zhizhi, voznikajuhhejsja v promyshlennykh skotovodcheskikh fermakh |
| FR2497186A1 (fr) * | 1980-12-31 | 1982-07-02 | Tech Nles Ste Gle | Procede et dispositif de traitement d'eaux residuaires azotees |
| DE3127570A1 (de) * | 1981-07-13 | 1983-04-28 | Mecapec S.A., 8716 Schmerikon | Verfahrung und einrichtung zur flockungsfiltration von abwasser |
| US4507206A (en) * | 1982-07-19 | 1985-03-26 | Hughes Geoffrey F | Method for restoring and maintaining eutrophied natural bodies of waters |
| SE452307B (sv) * | 1983-09-12 | 1987-11-23 | Boliden Ab | Forfarande for rening av fororenade vattenlosningar innehallande arsenik och/eller fosfor |
| US4582612A (en) * | 1983-12-09 | 1986-04-15 | Long Enterprises, Inc. | Sewage sludge treatment apparatus |
| US4487699A (en) * | 1983-12-09 | 1984-12-11 | Long Jr Charles A | Sewage sludge treatment apparatus and process |
| US4659464A (en) * | 1984-09-14 | 1987-04-21 | Long Enterprises, Inc. | Apparatus for dispersing sludge with gas impingement |
| GB2216114A (en) * | 1988-03-30 | 1989-10-04 | Stig Arvid Henrikson | A continuous chemical precipitation process for water using lime |
| DE4013375C2 (de) * | 1990-04-26 | 1994-12-22 | Passavant Werke | Verfahren zum Entfernen von gelösten und in Suspensa enthaltenem Phosphor aus Abwasser |
| US5543049A (en) * | 1991-02-04 | 1996-08-06 | Delman R. Hogen | Microbial mediated water treatment |
| CA2139863C (en) * | 1992-07-16 | 2000-05-09 | Delman R. Hogen | Microbial mediated method for soil and water treatment |
| US5397473A (en) * | 1993-08-27 | 1995-03-14 | Cornell Research Foundation, Inc. | Biological treatment method for water |
| FR2729653B1 (fr) * | 1995-01-20 | 1998-04-24 | Atochem Elf Sa | Procede de dephosphatation ameliore des eaux residuaires |
| JP4301582B2 (ja) * | 1996-08-26 | 2009-07-22 | 味の素株式会社 | 凝集沈殿法による排水処理方法 |
| US6464875B1 (en) | 1999-04-23 | 2002-10-15 | Gold Kist, Inc. | Food, animal, vegetable and food preparation byproduct treatment apparatus and process |
| US20040149661A1 (en) * | 2003-01-24 | 2004-08-05 | United States Filter Corporation | Effect of cations on activated sludge characteristics |
| US7279100B2 (en) * | 2005-01-31 | 2007-10-09 | Ashbrook Simon-Hartley Operations, Lp | Methods and apparatus for treating wastewater employing a high rate clarifier and a membrane |
| EP1893534B1 (en) * | 2005-07-06 | 2011-09-07 | Siemens Industry, Inc. | Improved phosphorus removal system and process |
| US20110253613A1 (en) * | 2005-07-06 | 2011-10-20 | Siemens Industry, Inc. | Contaminant removal system utilizing disc filter |
| CA2532286A1 (en) * | 2006-01-05 | 2007-07-05 | Seprotech Systems Incorporated | Removal of phosphates from wastewater |
| US20080156726A1 (en) * | 2006-09-06 | 2008-07-03 | Fassbender Alexander G | Integrating recycle stream ammonia treatment with biological nutrient removal |
| US20080053909A1 (en) * | 2006-09-06 | 2008-03-06 | Fassbender Alexander G | Ammonia recovery process |
| US20080053913A1 (en) * | 2006-09-06 | 2008-03-06 | Fassbender Alexander G | Nutrient recovery process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3236766A (en) * | 1964-03-31 | 1966-02-22 | Hazleton Lab Inc | Sewage treatment process |
| US3386910A (en) * | 1965-05-25 | 1968-06-04 | Fmc Corp | Process for treatment of sewage and nutrient removal |
-
1968
- 1968-03-22 US US3423309D patent/US3423309A/en not_active Expired - Lifetime
-
1969
- 1969-03-15 DE DE19691913341 patent/DE1913341A1/de active Pending
- 1969-03-19 AT AT270169A patent/AT291868B/de not_active IP Right Cessation
- 1969-03-20 DK DK153969A patent/DK138012B/da unknown
- 1969-03-20 NO NO01161/69A patent/NO129401B/no unknown
- 1969-03-20 SE SE389369A patent/SE376227B/xx unknown
- 1969-03-21 CH CH434469A patent/CH561665A5/xx unknown
- 1969-03-21 NL NL6904432A patent/NL6904432A/xx not_active Application Discontinuation
- 1969-03-21 FR FR6908477A patent/FR2004566A6/fr not_active Expired
- 1969-03-24 GB GB1523969A patent/GB1269223A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1913341A1 (de) | 1970-10-08 |
| SE376227B (xx) | 1975-05-12 |
| CH561665A5 (xx) | 1975-05-15 |
| AT291868B (de) | 1971-08-10 |
| FR2004566A6 (xx) | 1969-11-28 |
| GB1269223A (en) | 1972-04-06 |
| US3423309A (en) | 1969-01-21 |
| DK138012B (da) | 1978-06-26 |
| NL6904432A (xx) | 1969-09-24 |
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