SE450893B - Forfarande for intjockning av biologiskt slam - Google Patents
Forfarande for intjockning av biologiskt slamInfo
- Publication number
- SE450893B SE450893B SE8202201A SE8202201A SE450893B SE 450893 B SE450893 B SE 450893B SE 8202201 A SE8202201 A SE 8202201A SE 8202201 A SE8202201 A SE 8202201A SE 450893 B SE450893 B SE 450893B
- Authority
- SE
- Sweden
- Prior art keywords
- sludge
- biological
- procedure
- thickening
- nitrate
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 21
- 238000002347 injection Methods 0.000 title 1
- 239000007924 injection Substances 0.000 title 1
- 239000010802 sludge Substances 0.000 claims description 46
- 230000008569 process Effects 0.000 claims description 14
- 230000008719 thickening Effects 0.000 claims description 9
- 230000002255 enzymatic effect Effects 0.000 claims description 7
- 238000005119 centrifugation Methods 0.000 claims description 5
- 150000002823 nitrates Chemical class 0.000 claims description 4
- 244000144992 flock Species 0.000 claims description 3
- 150000002826 nitrites Chemical class 0.000 claims description 3
- 239000000725 suspension Substances 0.000 description 9
- 229910002651 NO3 Inorganic materials 0.000 description 7
- 244000005700 microbiome Species 0.000 description 7
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 6
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005188 flotation Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000002028 Biomass Substances 0.000 description 3
- 239000002775 capsule Substances 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 150000001720 carbohydrates Chemical class 0.000 description 2
- 235000014633 carbohydrates Nutrition 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000867 polyelectrolyte Polymers 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 240000004808 Saccharomyces cerevisiae Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- -1 nitrate ions Chemical class 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000002797 proteolythic effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 230000008925 spontaneous activity 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
-
- 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
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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)
- Treatment Of Sludge (AREA)
- Enzymes And Modification Thereof (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS822450A CS228403B1 (en) | 1982-04-06 | 1982-04-06 | Method of concentration biologic,particularly activated sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8202201L SE8202201L (sv) | 1983-10-07 |
| SE450893B true SE450893B (sv) | 1987-08-10 |
Family
ID=5361682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8202201A SE450893B (sv) | 1982-04-06 | 1982-04-06 | Forfarande for intjockning av biologiskt slam |
Country Status (7)
| Country | Link |
|---|---|
| CS (1) | CS228403B1 (en, 2012) |
| DE (1) | DE3312381A1 (en, 2012) |
| DK (1) | DK150083A (en, 2012) |
| FR (1) | FR2524459B1 (en, 2012) |
| GB (1) | GB2118537B (en, 2012) |
| IT (1) | IT1163228B (en, 2012) |
| SE (1) | SE450893B (en, 2012) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9016505D0 (en) * | 1990-07-27 | 1990-09-12 | Applied Biotechnologies | Restoration and maintenance of the function of a trickling-percolating-filter |
| DE4138667A1 (de) * | 1991-11-25 | 1993-05-27 | Sued Chemie Ag | Verfahren zum entlasten von nachklaerbecken |
| FR2709304B1 (fr) * | 1993-08-23 | 1995-11-24 | Omnium Traitement Valorisa | Procédé et installation de stabilisation et de concentration des boues par les oxydes d'azote. |
| FR2732335B1 (fr) * | 1995-03-31 | 1997-06-27 | Omnium Traitement Valorisa | Procede de stabilisation de boues |
| RU2122983C1 (ru) * | 1996-01-11 | 1998-12-10 | Государственный научно-исследовательский и проектно-конструкторский институт по развитию и эксплуатации флота "Гипрорыбфлот" | Способ получения стабилизированного инокулята ила и его хранения |
| EP4416082A1 (en) | 2021-10-14 | 2024-08-21 | Ocado Innovation Limited | Systems and methods for order processing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE601668C (de) * | 1931-07-25 | 1934-08-25 | Ferdinand Fraensemeier | Verfahren zur Innehaltung der fuer die anaerobe Ausfaulung von Abwasserschlamm optimalen Wasserstoffionenkonzentration |
| GB1170618A (en) * | 1967-03-04 | 1969-11-12 | Ceskoslovenska Akademie Ved | A Method of Concentration of Organic Sludges |
| JPS5245582A (en) * | 1975-10-09 | 1977-04-11 | Tokai Denka Kogyo Kk | Solid-liquid separation method of organic waste fluid sludge |
| SU1006394A1 (ru) * | 1981-08-07 | 1983-03-23 | Ташкентский Филиал Всесоюзного Научно-Исследовательского Института Водоснабжения,Канализации,Гидротехнических Сооружений И Инженерной Гидрогеологии | Способ обработки осадка сточных вод |
-
1982
- 1982-04-06 SE SE8202201A patent/SE450893B/sv not_active IP Right Cessation
- 1982-04-06 CS CS822450A patent/CS228403B1/cs unknown
-
1983
- 1983-04-05 DK DK150083A patent/DK150083A/da not_active Application Discontinuation
- 1983-04-05 FR FR8305514A patent/FR2524459B1/fr not_active Expired
- 1983-04-05 IT IT2045983A patent/IT1163228B/it active
- 1983-04-06 DE DE19833312381 patent/DE3312381A1/de active Granted
- 1983-04-06 GB GB8309307A patent/GB2118537B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CS228403B1 (en) | 1984-05-14 |
| GB2118537A (en) | 1983-11-02 |
| DE3312381C2 (en, 2012) | 1991-04-25 |
| DE3312381A1 (de) | 1983-10-13 |
| SE8202201L (sv) | 1983-10-07 |
| CS8202450A (en, 2012) | 1982-12-31 |
| FR2524459B1 (fr) | 1985-11-29 |
| DK150083A (da) | 1983-10-07 |
| IT8320459A1 (it) | 1984-10-05 |
| IT8320459A0 (it) | 1983-04-05 |
| GB2118537B (en) | 1986-01-08 |
| DK150083D0 (da) | 1983-04-05 |
| FR2524459A1 (fr) | 1983-10-07 |
| GB8309307D0 (en) | 1983-05-11 |
| IT1163228B (it) | 1987-04-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 8202201-3 Effective date: 19921108 Format of ref document f/p: F |