FI123886B - Förfarande för desinficering av slam - Google Patents
Förfarande för desinficering av slam Download PDFInfo
- Publication number
- FI123886B FI123886B FI20125446A FI20125446A FI123886B FI 123886 B FI123886 B FI 123886B FI 20125446 A FI20125446 A FI 20125446A FI 20125446 A FI20125446 A FI 20125446A FI 123886 B FI123886 B FI 123886B
- Authority
- FI
- Finland
- Prior art keywords
- sludge
- slurry
- mixture
- process according
- peroxyacid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/18—Treatment of sludge; Devices therefor by thermal conditioning
- C02F11/185—Treatment of sludge; Devices therefor by thermal conditioning by pasteurisation
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F7/00—Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses
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- 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
- C02F1/722—Oxidation by peroxides
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/20—Fertilizers of biological origin, e.g. guano or fertilizers made from animal corpses
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Treatment Of Sludge (AREA)
- Fertilizers (AREA)
Claims (13)
1. Förfarande för att desinficera slam kännetecknat av att osläckt kalk CaO tillförs slammet; 5 slamblandningen blandas tills blandningens pH överstiger 11; och peroxisyra tillförs blandningen för att binda ammoniaken som uppstar i blandningsskedet.
2. Förfarande enligt patentkrav 1, k ä n -10 netecknat av att slammet är avloppsslam frän reningsverk eller utloppsslam frän biogasanläggningar.
3. Förfarande enligt patentkrav 1 eller 2, kännetecknat av att slammets torrvikt är 20 - 40 v-%, företrädesvis 25 - 35 v-%. 15
4. Förfarande enligt nägot av patentkraven 1 -3, kännetecknat av att peroxisyran är pe-rättiksyra.
5. Förfarande enligt nägot av patentkraven 1 4, kännetecknat av att slamblandningen 20 blandas tills blandningens pH överstiger 12.
6. Förfarande enligt nägot av patentkraven 1 5, kännetecknat av att slamblandningen blandas tills blandningens temperatur stigit 10 - 30 °C, företrädesvis 15 - 20 °C, fördelaktigast ca 15 °C. 25
7. Förfarande enligt nägot av patentkraven 1 -6, kännetecknat av att slammet blandas in-^ nan osläckt kalk CaO tillförs. o
8. Förfarande enligt nägot av patentkraven 1 <j> -7, kännetecknat av att slamblandningen o ^ 30 blandas i samband med tillförseln av peroxisyra och/eller efter tillförseln. x
£ 9. Förfarande enligt nägot av patentkraven 1 cd -8, kännetecknat av att osläckt kalk CaO tillförs 5-20 v-%, företrädesvis 7-13 v-%, fördel-c\j ^ 35 aktigast ca 10 v-% av slammets torrämne. 00
10. Förfarande enligt nägot av patentkraven 1 - 9, kännetecknat av att perättiksyra tili- förs 0,1 - 0,3 v-%, företrädesvis 0,15 - 0,2 v-%, för-delaktigast ca 0,18 v-% av slammets torrämne.
11. Förfarande enligt nägot av patentkraven 1 - 10, kännetecknat av att osläckt kalk och 5 peroxisyra blandas stegvis med slammet.
12. Jordförbättringsmedel, framställt med ett förfarande enligt nägot av patentkraven 1-11.
13. Gödsel, framställt med ett förfarande enligt nägot av patentkraven 1-11. 10 co δ c\j σ> cp CD X X Q. CD LO C\J δ CNJ
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20125446A FI123886B (sv) | 2012-04-24 | 2012-04-24 | Förfarande för desinficering av slam |
| PCT/FI2013/050446 WO2013160546A1 (en) | 2012-04-24 | 2013-04-23 | Method for disinfecting sludge |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI20125446A FI123886B (sv) | 2012-04-24 | 2012-04-24 | Förfarande för desinficering av slam |
| FI20125446 | 2012-04-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FI20125446A FI20125446A (sv) | 2013-10-25 |
| FI123886B true FI123886B (sv) | 2013-11-29 |
Family
ID=49482268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI20125446A FI123886B (sv) | 2012-04-24 | 2012-04-24 | Förfarande för desinficering av slam |
Country Status (2)
| Country | Link |
|---|---|
| FI (1) | FI123886B (sv) |
| WO (1) | WO2013160546A1 (sv) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230270108A1 (en) * | 2020-07-31 | 2023-08-31 | Hydrite Chemical Co. | Method for Controlling Microbial Growth in Sugar Processing |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3816989A1 (de) * | 1987-08-05 | 1989-02-16 | Peroxid Chemie Gmbh | Entseuchung von klaerschlamm |
| DE3943147A1 (de) * | 1989-12-28 | 1991-07-04 | Pruss Gunter | Verfahren und vorrichtung zur reinigung von schadstoffhaltigen boeden und gewaessern |
| US5568895A (en) * | 1992-06-09 | 1996-10-29 | Matrix Technology Pty. Ltd. | Treatment of waste materials for disposal |
| AU9704601A (en) * | 2001-12-05 | 2003-06-12 | Matrix Technology Pty Ltd | Treatment of waste materials for disposal |
| GB0522039D0 (en) * | 2005-10-28 | 2005-12-07 | Thames Water Utilities | Sludge treatment |
| FR2907694B1 (fr) * | 2006-10-27 | 2009-02-13 | Michel Mazon | Procede de stabilisation des dechets menagers et assimiles |
-
2012
- 2012-04-24 FI FI20125446A patent/FI123886B/sv active IP Right Grant
-
2013
- 2013-04-23 WO PCT/FI2013/050446 patent/WO2013160546A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013160546A1 (en) | 2013-10-31 |
| FI20125446A (sv) | 2013-10-25 |
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| PC | Transfer of assignment of patent |
Owner name: JK CORPORATION OY |
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| FG | Patent granted |
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