CA2542894C - Methode de traitement d'eaux usees de divers milieux - Google Patents
Methode de traitement d'eaux usees de divers milieux Download PDFInfo
- Publication number
- CA2542894C CA2542894C CA 2542894 CA2542894A CA2542894C CA 2542894 C CA2542894 C CA 2542894C CA 2542894 CA2542894 CA 2542894 CA 2542894 A CA2542894 A CA 2542894A CA 2542894 C CA2542894 C CA 2542894C
- Authority
- CA
- Canada
- Prior art keywords
- zone
- aerobic
- oxygen
- zones
- anoxic
- 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.)
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 124
- 239000002351 wastewater Substances 0.000 claims abstract description 65
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 59
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000001301 oxygen Substances 0.000 claims abstract description 51
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 51
- 244000005700 microbiome Species 0.000 claims abstract description 34
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 29
- 239000011574 phosphorus Substances 0.000 claims abstract description 29
- 239000002028 Biomass Substances 0.000 claims abstract description 25
- 230000000813 microbial effect Effects 0.000 claims abstract description 22
- 230000007613 environmental effect Effects 0.000 claims abstract description 20
- 150000001875 compounds Chemical class 0.000 claims abstract description 14
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000000034 method Methods 0.000 claims description 87
- 230000008569 process Effects 0.000 claims description 78
- 239000007787 solid Substances 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 25
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 17
- 239000010802 sludge Substances 0.000 claims description 16
- 230000009467 reduction Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 13
- 230000003647 oxidation Effects 0.000 claims description 12
- 238000007254 oxidation reaction Methods 0.000 claims description 12
- 238000005273 aeration Methods 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 11
- 230000000802 nitrating effect Effects 0.000 claims description 10
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 9
- 230000015556 catabolic process Effects 0.000 claims description 8
- 238000006731 degradation reaction Methods 0.000 claims description 8
- 238000009294 enhanced biological phosphorus removal Methods 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 239000003575 carbonaceous material Substances 0.000 claims 2
- 235000014113 dietary fatty acids Nutrition 0.000 claims 2
- 229930195729 fatty acid Natural products 0.000 claims 2
- 239000000194 fatty acid Substances 0.000 claims 2
- 150000004665 fatty acids Chemical class 0.000 claims 2
- 238000000855 fermentation Methods 0.000 claims 1
- 230000004151 fermentation Effects 0.000 claims 1
- 230000007062 hydrolysis Effects 0.000 claims 1
- 238000006460 hydrolysis reaction Methods 0.000 claims 1
- 235000015097 nutrients Nutrition 0.000 abstract description 8
- 239000012530 fluid Substances 0.000 abstract description 4
- 239000012876 carrier material Substances 0.000 abstract 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 33
- 229910052799 carbon Inorganic materials 0.000 description 31
- 230000014759 maintenance of location Effects 0.000 description 18
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 16
- 239000000356 contaminant Substances 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 11
- 238000013461 design Methods 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 7
- 229910002651 NO3 Inorganic materials 0.000 description 7
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 7
- 239000007789 gas Substances 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 6
- 239000000126 substance Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 230000012010 growth Effects 0.000 description 4
- 230000001546 nitrifying effect Effects 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 241001453382 Nitrosomonadales Species 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 3
- 238000006065 biodegradation reaction Methods 0.000 description 3
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000945 filler Substances 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 3
- 238000010348 incorporation Methods 0.000 description 3
- 150000002823 nitrates Chemical class 0.000 description 3
- 150000002826 nitrites Chemical class 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 3
- 239000003643 water by type Substances 0.000 description 3
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 2
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000010828 animal waste Substances 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005352 clarification Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000009629 microbiological culture Methods 0.000 description 2
- 150000002989 phenols Chemical class 0.000 description 2
- 150000003018 phosphorus compounds Chemical class 0.000 description 2
- 230000035755 proliferation Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- -1 tetrachloroethylene, trichloroethylene, 1,1,1-trichloroethane Chemical class 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- VGVRPFIJEJYOFN-UHFFFAOYSA-N 2,3,4,6-tetrachlorophenol Chemical class OC1=C(Cl)C=C(Cl)C(Cl)=C1Cl VGVRPFIJEJYOFN-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical class ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- CKMXBZGNNVIXHC-UHFFFAOYSA-L ammonium magnesium phosphate hexahydrate Chemical compound [NH4+].O.O.O.O.O.O.[Mg+2].[O-]P([O-])([O-])=O CKMXBZGNNVIXHC-UHFFFAOYSA-L 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 238000010364 biochemical engineering Methods 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 150000001722 carbon compounds Chemical class 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000000149 chemical water pollutant Substances 0.000 description 1
- 150000001896 cresols Chemical class 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000020774 essential nutrients Nutrition 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 230000007269 microbial metabolism Effects 0.000 description 1
- 230000007483 microbial process Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- YBVAXJOZZAJCLA-UHFFFAOYSA-N nitric acid nitrous acid Chemical compound ON=O.O[N+]([O-])=O YBVAXJOZZAJCLA-UHFFFAOYSA-N 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 230000003716 rejuvenation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052567 struvite Inorganic materials 0.000 description 1
- 229950011008 tetrachloroethylene Drugs 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 239000002676 xenobiotic agent Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 150000003738 xylenes Chemical class 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- 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
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- 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
- C02F3/06—Aerobic processes using submerged filters
-
- 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
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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
Un système de traitement d'eaux usées à réservoir simple comporte une multiplicité de zones ayant des conditions environnementales différentes, notamment aérobie, anoxique et anaérobie, pour réduire la force des eaux usées très concentrées en termes de composés carbonés organiques et nutriments, notamment l'azote et le phosphore. La zone supérieure du système de traitement fonctionne en alternance dans des conditions aérobies et anoxiques contrôlées par le fonctionnement marche-arrêt d'un souffleur d'air qui introduit de l'air par les diffuseurs d'air placés au bas de la zone supérieure. La section inférieure du système de traitement contient des zones appauvries en oxygène offrant des conditions anoxiques au bas et des conditions anaérobies au-dessus des zones anoxiques et sous les diffuseurs d'air. Les sections supérieure et inférieure du réservoir sont en communication fluidique. Dans le volume de la zone aérobie supérieure et des zones inférieures appauvries en oxygène, un matériau porteur libre ou des objets stationnaires sont disposés pour soutenir la fixation de biomasse microbienne et la formation d'un biofilm microbien. Ainsi, le système de traitement comprend à la fois des microorganismes en suspension et des microorganismes immobilisés.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2542894 CA2542894C (fr) | 2006-04-04 | 2006-04-04 | Methode de traitement d'eaux usees de divers milieux |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2542894 CA2542894C (fr) | 2006-04-04 | 2006-04-04 | Methode de traitement d'eaux usees de divers milieux |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2542894A1 CA2542894A1 (fr) | 2007-10-04 |
| CA2542894C true CA2542894C (fr) | 2014-08-12 |
Family
ID=38561299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2542894 Active CA2542894C (fr) | 2006-04-04 | 2006-04-04 | Methode de traitement d'eaux usees de divers milieux |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2542894C (fr) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9133044B2 (en) | 2008-01-28 | 2015-09-15 | Biowater Technology AS | Method and device for the treatment of waste water |
| WO2013142923A1 (fr) * | 2012-03-27 | 2013-10-03 | Mohammad Taghi Daneshvar | Nouveau procédé de traitement des eaux usées et de réduction des solides |
| CN107792991A (zh) * | 2016-09-05 | 2018-03-13 | 帕克环保技术(上海)有限公司 | 用于烟草行业的废水处理系统和废水处理工艺 |
| WO2018101892A1 (fr) * | 2016-11-29 | 2018-06-07 | Hasan Kalyoncu Universitesi | Procédé de traitement biologique avancé pour eaux usées d'abattoirs |
| US10981817B2 (en) | 2018-01-19 | 2021-04-20 | National Research Council Of Canada | Wastewater treatment with in-film microbial heating |
| CN108298690B (zh) * | 2018-05-04 | 2023-07-21 | 中国海洋大学 | 一体式部分亚硝化-厌氧氨氧化斜板强化生物反应器 |
| CN111517591B (zh) * | 2020-06-11 | 2022-05-24 | 北京工业大学 | 铁合金联合厌氧氨氧化菌处理氧化态氮废水的装置及方法 |
| CN112158943B (zh) * | 2020-09-11 | 2022-07-19 | 同济大学 | 一种基于生活源干垃圾填料的生物滴流装置及其应用 |
| TR202021985A2 (tr) * | 2020-12-28 | 2021-01-21 | Cukurova Ueniversitesi Rektoerluegue | Ön çökeltmesi̇z, di̇key aerobi̇k/anaerobi̇k çamur çürütmeli̇, tek üni̇te bi̇yoloji̇k atiksu aritma tesi̇si̇ |
| CN114291893A (zh) * | 2021-12-29 | 2022-04-08 | 苏州科技大学 | 一种市政污水脱氮处理装置及方法 |
| CN115403151B (zh) * | 2022-11-01 | 2023-02-10 | 天津高能时代水处理科技有限公司 | 一种无沉淀池型蠕动床式hedn反应器及污水处理方法 |
-
2006
- 2006-04-04 CA CA 2542894 patent/CA2542894C/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CA2542894A1 (fr) | 2007-10-04 |
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