CA2203707A1 - Utilisation d'un filtre lent sur sable avec recyclage - Google Patents
Utilisation d'un filtre lent sur sable avec recyclageInfo
- Publication number
- CA2203707A1 CA2203707A1 CA002203707A CA2203707A CA2203707A1 CA 2203707 A1 CA2203707 A1 CA 2203707A1 CA 002203707 A CA002203707 A CA 002203707A CA 2203707 A CA2203707 A CA 2203707A CA 2203707 A1 CA2203707 A1 CA 2203707A1
- Authority
- CA
- Canada
- Prior art keywords
- water
- sand filter
- slow sand
- auger
- slow
- 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.)
- Abandoned
Links
- 239000004576 sand Substances 0.000 title claims abstract description 134
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 120
- 238000000034 method Methods 0.000 claims abstract description 23
- 238000004064 recycling Methods 0.000 claims abstract description 7
- 238000007790 scraping Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- 239000010842 industrial wastewater Substances 0.000 claims description 2
- 239000007800 oxidant agent Substances 0.000 claims description 2
- 238000010276 construction Methods 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 238000005660 chlorination reaction Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011368 organic material Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 244000005700 microbiome Species 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000009287 sand filtration Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- QVGXLLKOCUKJST-BJUDXGSMSA-N oxygen-15 atom Chemical compound [15O] QVGXLLKOCUKJST-BJUDXGSMSA-N 0.000 description 1
- 238000006213 oxygenation reaction Methods 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/14—Downward filtration, the container having distribution or collection headers or pervious conduits
-
- 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
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002203707A CA2203707A1 (fr) | 1997-04-25 | 1997-04-25 | Utilisation d'un filtre lent sur sable avec recyclage |
| CA 2214954 CA2214954A1 (fr) | 1996-09-11 | 1997-09-10 | Filtre a sable lent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA002203707A CA2203707A1 (fr) | 1997-04-25 | 1997-04-25 | Utilisation d'un filtre lent sur sable avec recyclage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2203707A1 true CA2203707A1 (fr) | 1998-10-25 |
Family
ID=4160513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002203707A Abandoned CA2203707A1 (fr) | 1996-09-11 | 1997-04-25 | Utilisation d'un filtre lent sur sable avec recyclage |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2203707A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6953525B2 (en) | 2002-05-28 | 2005-10-11 | Ms Filter Inc. | Potable water treatment plant and method of maintaining same |
-
1997
- 1997-04-25 CA CA002203707A patent/CA2203707A1/fr not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6953525B2 (en) | 2002-05-28 | 2005-10-11 | Ms Filter Inc. | Potable water treatment plant and method of maintaining same |
| US7258798B2 (en) | 2002-05-28 | 2007-08-21 | Ms Filter Inc. | Potable water treatment plant and method of maintaining same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Dead |