CA1191794A - Process and apparatus for high rate upflow water filtration with buoyant filter media - Google Patents
Process and apparatus for high rate upflow water filtration with buoyant filter mediaInfo
- Publication number
- CA1191794A CA1191794A CA000382178A CA382178A CA1191794A CA 1191794 A CA1191794 A CA 1191794A CA 000382178 A CA000382178 A CA 000382178A CA 382178 A CA382178 A CA 382178A CA 1191794 A CA1191794 A CA 1191794A
- Authority
- CA
- Canada
- Prior art keywords
- filter
- vessel
- upflow
- water
- bed
- 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
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 112
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 205
- 238000000034 method Methods 0.000 title claims description 39
- 230000008569 process Effects 0.000 title description 6
- 239000002245 particle Substances 0.000 claims abstract description 52
- 239000007788 liquid Substances 0.000 claims abstract description 40
- 230000005484 gravity Effects 0.000 claims abstract description 23
- 230000009467 reduction Effects 0.000 claims abstract description 3
- 239000007787 solid Substances 0.000 claims description 53
- 238000004140 cleaning Methods 0.000 claims description 43
- 239000012535 impurity Substances 0.000 claims description 19
- 238000002347 injection Methods 0.000 claims description 18
- 239000007924 injection Substances 0.000 claims description 18
- 239000002699 waste material Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 12
- 238000011144 upstream manufacturing Methods 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 239000002657 fibrous material Substances 0.000 claims description 4
- 238000007667 floating Methods 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 8
- 238000012360 testing method Methods 0.000 description 22
- -1 polyethylene Polymers 0.000 description 14
- 238000005406 washing Methods 0.000 description 12
- 239000004743 Polypropylene Substances 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 9
- 229920001155 polypropylene Polymers 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 5
- 239000008188 pellet Substances 0.000 description 5
- 229920000573 polyethylene Polymers 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229920003043 Cellulose fiber Polymers 0.000 description 2
- 238000011001 backwashing Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 101001006370 Actinobacillus suis Hemolysin Proteins 0.000 description 1
- 235000003819 Madia Nutrition 0.000 description 1
- 240000004516 Madia sativa Species 0.000 description 1
- 241000428533 Rhis Species 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 229940037003 alum Drugs 0.000 description 1
- 239000012223 aqueous fraction Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000005070 ripening Effects 0.000 description 1
- 238000005029 sieve analysis Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- 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
- B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
-
- 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
- B01D24/16—Upward filtration
- B01D24/167—Upward filtration the container having distribution or collection headers or pervious conduits
-
- 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
- B01D24/20—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 provided in an open container
- B01D24/26—Upward filtration
-
- 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
- B01D24/20—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 provided in an open container
- B01D24/26—Upward filtration
- B01D24/266—Upward filtration the container having distribution or collection headers or pervious conduits
-
- 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
- B01D24/38—Feed or discharge devices
- B01D24/40—Feed or discharge devices for feeding
-
- 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
- B01D24/38—Feed or discharge devices
- B01D24/42—Feed or discharge devices for discharging filtrate
-
- 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
- B01D24/38—Feed or discharge devices
- B01D24/44—Feed or discharge devices for discharging filter cake, e.g. chutes
-
- 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
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
- B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
-
- 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
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
-
- 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
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4807—Handling the filter cake for purposes other than regenerating
-
- 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
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4807—Handling the filter cake for purposes other than regenerating
- B01D24/4846—Retarding cake deposition on the filter during the filtration period, e.g. using stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/14—Particulate filter materials with a lower density than the liquid mixture to be filtered
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Biological Treatment Of Waste Water (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17115180A | 1980-07-22 | 1980-07-22 | |
| US171,151 | 1980-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1191794A true CA1191794A (en) | 1985-08-13 |
Family
ID=22622746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000382178A Expired CA1191794A (en) | 1980-07-22 | 1981-07-21 | Process and apparatus for high rate upflow water filtration with buoyant filter media |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU550452B2 (pt) |
| BR (1) | BR8104695A (pt) |
| CA (1) | CA1191794A (pt) |
| GB (1) | GB2080696B (pt) |
| SG (1) | SG80786G (pt) |
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 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8524495D0 (en) * | 1985-10-04 | 1985-11-06 | Ontario Research Foundation | Buoyant media filter |
| JPH0217908A (ja) * | 1988-07-05 | 1990-01-22 | Nishihara Environ Sanit Res Corp | 固液分離装置の洗浄方法 |
| GB9012703D0 (en) * | 1990-06-07 | 1990-08-01 | Anglian Water Services Ltd | Sewage treatment |
| CN106890603B (zh) * | 2017-03-29 | 2024-08-06 | 天津西敦津洋环保科技有限公司 | 一种轻颗粒悬浮系统 |
| CN112709130B (zh) * | 2020-12-23 | 2023-10-24 | 青岛林海建设工程有限公司 | 一种易清理的市政桥梁泄水装置 |
| CN113041710A (zh) * | 2021-03-12 | 2021-06-29 | 中国恩菲工程技术有限公司 | 连续过滤系统和方法 |
-
1981
- 1981-07-21 GB GB8122462A patent/GB2080696B/en not_active Expired
- 1981-07-21 CA CA000382178A patent/CA1191794A/en not_active Expired
- 1981-07-21 BR BR8104695A patent/BR8104695A/pt unknown
- 1981-07-21 AU AU73151/81A patent/AU550452B2/en not_active Ceased
-
1986
- 1986-10-04 SG SG807/86A patent/SG80786G/en unknown
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| AU550452B2 (en) | 1986-03-20 |
| AU7315181A (en) | 1982-01-28 |
| GB2080696A (en) | 1982-02-10 |
| BR8104695A (pt) | 1982-04-06 |
| GB2080696B (en) | 1984-08-08 |
| SG80786G (en) | 1988-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |