FI90856C - Menetelmä jäteveden tai sentapaisen epäpuhtaan veden käsittelemiseksi sekä menetelmässä käytettävä saostuksen apuaine - Google Patents
Menetelmä jäteveden tai sentapaisen epäpuhtaan veden käsittelemiseksi sekä menetelmässä käytettävä saostuksen apuaine Download PDFInfo
- Publication number
- FI90856C FI90856C FI904070A FI904070A FI90856C FI 90856 C FI90856 C FI 90856C FI 904070 A FI904070 A FI 904070A FI 904070 A FI904070 A FI 904070A FI 90856 C FI90856 C FI 90856C
- Authority
- FI
- Finland
- Prior art keywords
- bio
- sludge
- water
- slurry
- precipitation aid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 23
- 238000001556 precipitation Methods 0.000 title claims description 17
- 239000002351 wastewater Substances 0.000 title claims description 16
- 239000010802 sludge Substances 0.000 claims description 44
- 239000002002 slurry Substances 0.000 claims description 22
- 239000000203 mixture Substances 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 230000000813 microbial effect Effects 0.000 claims description 10
- 239000002253 acid Substances 0.000 claims description 9
- 230000002378 acidificating effect Effects 0.000 claims description 7
- 230000001376 precipitating effect Effects 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 3
- 239000011707 mineral Substances 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 description 14
- 238000005352 clarification Methods 0.000 description 13
- 239000007787 solid Substances 0.000 description 13
- 241000196324 Embryophyta Species 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 6
- 238000012360 testing method Methods 0.000 description 5
- 239000002244 precipitate Substances 0.000 description 4
- 238000005119 centrifugation Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 238000005188 flotation Methods 0.000 description 3
- 239000005416 organic matter Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 239000005446 dissolved organic matter Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 102100031260 Acyl-coenzyme A thioesterase THEM4 Human genes 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000004155 Chlorine dioxide Substances 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 101000638510 Homo sapiens Acyl-coenzyme A thioesterase THEM4 Proteins 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000218657 Picea Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- -1 aluminum ions Chemical class 0.000 description 1
- 229920001448 anionic polyelectrolyte Polymers 0.000 description 1
- 229920006318 anionic polymer Polymers 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004061 bleaching Methods 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229920006317 cationic polymer Polymers 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 235000019398 chlorine dioxide Nutrition 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- BUACSMWVFUNQET-UHFFFAOYSA-H dialuminum;trisulfate;hydrate Chemical compound O.[Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O BUACSMWVFUNQET-UHFFFAOYSA-H 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 229910003480 inorganic solid Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000004076 pulp bleaching Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000011122 softwood Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000000527 sonication Methods 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000004927 wastewater treatment sludge Methods 0.000 description 1
- 239000003643 water by type 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- 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
- C02F1/5263—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using natural chemical compounds
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Activated Sludge Processes (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI904070A FI90856C (fi) | 1990-08-17 | 1990-08-17 | Menetelmä jäteveden tai sentapaisen epäpuhtaan veden käsittelemiseksi sekä menetelmässä käytettävä saostuksen apuaine |
| PCT/FI1991/000257 WO1992003385A1 (fr) | 1990-08-17 | 1991-08-19 | Procede de traitement d'eaux usees ou impures et adjuvant floculant correspondant |
| AU83143/91A AU8314391A (en) | 1990-08-17 | 1991-08-19 | Process for treatment of waste waters or equivalent impure waters as well as a flocculating adjuvant used in the process |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI904070 | 1990-08-17 | ||
| FI904070A FI90856C (fi) | 1990-08-17 | 1990-08-17 | Menetelmä jäteveden tai sentapaisen epäpuhtaan veden käsittelemiseksi sekä menetelmässä käytettävä saostuksen apuaine |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI904070A0 FI904070A0 (fi) | 1990-08-17 |
| FI904070L FI904070L (fi) | 1992-02-18 |
| FI90856B FI90856B (fi) | 1993-12-31 |
| FI90856C true FI90856C (fi) | 1994-04-11 |
Family
ID=8530942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI904070A FI90856C (fi) | 1990-08-17 | 1990-08-17 | Menetelmä jäteveden tai sentapaisen epäpuhtaan veden käsittelemiseksi sekä menetelmässä käytettävä saostuksen apuaine |
Country Status (3)
| Country | Link |
|---|---|
| AU (1) | AU8314391A (fr) |
| FI (1) | FI90856C (fr) |
| WO (1) | WO1992003385A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1005989A3 (fr) * | 1992-06-18 | 1994-04-12 | Univ Bruxelles | Procede de decoloration de l'effluent des usines de pates a papier. |
| EP0960860A1 (fr) * | 1998-05-21 | 1999-12-01 | Shell Internationale Researchmaatschappij B.V. | Traitement biologique d'un courant d'eau polluée |
| KR100441112B1 (ko) * | 2001-10-08 | 2004-07-21 | 한국해양연구원 | 최소수선단면을 갖는 삼동선형 위그선 |
| FI130365B (en) * | 2018-02-16 | 2023-07-26 | Upm Kymmene Corp | A method for treating biosludge |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1459469A1 (de) * | 1962-01-31 | 1969-07-10 | Eltro Gmbh | Verfahren zur Behandlung von Klaerschlamm |
| US3406114A (en) * | 1964-07-20 | 1968-10-15 | Kerr Mc Gee Oil Ind Inc | Process for flocculating finely divided solids suspended in an aqueous medium with amicrobial polysaccharide |
| US4649110A (en) * | 1982-07-29 | 1987-03-10 | Solmat Systems, Ltd. | Polymeric substance, and method of separating and culturing bacteria to provide polymeric substance useful in liquid clarification and soil conditioning |
| US4721570A (en) * | 1986-02-06 | 1988-01-26 | Envirex, Inc. | RBC with solids contact zone |
-
1990
- 1990-08-17 FI FI904070A patent/FI90856C/fi not_active IP Right Cessation
-
1991
- 1991-08-19 AU AU83143/91A patent/AU8314391A/en not_active Abandoned
- 1991-08-19 WO PCT/FI1991/000257 patent/WO1992003385A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| WO1992003385A1 (fr) | 1992-03-05 |
| AU8314391A (en) | 1992-03-17 |
| FI904070A0 (fi) | 1990-08-17 |
| FI90856B (fi) | 1993-12-31 |
| FI904070L (fi) | 1992-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Owner name: ENVIRO DATA OY |
|
| MA | Patent expired |