CA2135085C - Methode pour le traitement de boues d'usines d'epuration et de residus semblables - Google Patents
Methode pour le traitement de boues d'usines d'epuration et de residus semblables Download PDFInfo
- Publication number
- CA2135085C CA2135085C CA 2135085 CA2135085A CA2135085C CA 2135085 C CA2135085 C CA 2135085C CA 2135085 CA2135085 CA 2135085 CA 2135085 A CA2135085 A CA 2135085A CA 2135085 C CA2135085 C CA 2135085C
- Authority
- CA
- Canada
- Prior art keywords
- mixer
- mixture
- sludge
- product
- predetermined
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 78
- 239000010801 sewage sludge Substances 0.000 title description 4
- 239000000463 material Substances 0.000 claims abstract description 68
- 230000008569 process Effects 0.000 claims abstract description 68
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims abstract description 64
- 239000010802 sludge Substances 0.000 claims abstract description 63
- 239000000203 mixture Substances 0.000 claims abstract description 50
- 239000000292 calcium oxide Substances 0.000 claims abstract description 37
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 31
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 31
- 239000004571 lime Substances 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 239000000047 product Substances 0.000 claims description 50
- 235000012255 calcium oxide Nutrition 0.000 claims description 36
- 239000007795 chemical reaction product Substances 0.000 claims description 25
- 244000052769 pathogen Species 0.000 claims description 13
- 238000004064 recycling Methods 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 11
- 239000004568 cement Substances 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 4
- 239000010881 fly ash Substances 0.000 claims description 4
- 238000005201 scrubbing Methods 0.000 claims description 4
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract description 11
- 230000001717 pathogenic effect Effects 0.000 abstract description 9
- 230000006641 stabilisation Effects 0.000 abstract description 6
- 238000011105 stabilization Methods 0.000 abstract description 6
- 238000011084 recovery Methods 0.000 abstract description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 26
- 238000005054 agglomeration Methods 0.000 description 19
- 230000002776 aggregation Effects 0.000 description 19
- 230000009467 reduction Effects 0.000 description 19
- 239000007787 solid Substances 0.000 description 18
- 239000008188 pellet Substances 0.000 description 14
- 229910021529 ammonia Inorganic materials 0.000 description 13
- 239000002245 particle Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000001035 drying Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 7
- 238000012216 screening Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 235000019645 odor Nutrition 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000005453 pelletization Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002779 inactivation Effects 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 244000045947 parasite Species 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004065 wastewater treatment Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000010410 dusting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 238000010979 pH adjustment Methods 0.000 description 2
- 239000002364 soil amendment Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 241001336711 Glomera <orchid> Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000007605 air drying Methods 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical compound [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 239000002920 hazardous waste Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000009928 pasteurization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000011835 quiches Nutrition 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 1
- 239000002881 soil fertilizer Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/147,588 | 1993-11-05 | ||
| US08/147,588 US5435923A (en) | 1992-03-20 | 1993-11-05 | Method for the treatment of sewage sludge and the like |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2135085A1 CA2135085A1 (fr) | 1995-05-06 |
| CA2135085C true CA2135085C (fr) | 2002-03-26 |
Family
ID=22522164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2135085 Expired - Fee Related CA2135085C (fr) | 1993-11-05 | 1994-11-04 | Methode pour le traitement de boues d'usines d'epuration et de residus semblables |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2135085C (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009060201A3 (fr) * | 2007-11-09 | 2009-09-11 | Eco-Solids International Limited | Appareil et procédé pour traiter des déchets |
-
1994
- 1994-11-04 CA CA 2135085 patent/CA2135085C/fr not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009060201A3 (fr) * | 2007-11-09 | 2009-09-11 | Eco-Solids International Limited | Appareil et procédé pour traiter des déchets |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2135085A1 (fr) | 1995-05-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |