DE10231241A1 - Drain water filter, e.g. from roads and roofs, is a porous concrete dividing wall in a chamber forming a lower sedimentation section with the inflow and an upper section with the outflow of water cleaned of particles - Google Patents
Drain water filter, e.g. from roads and roofs, is a porous concrete dividing wall in a chamber forming a lower sedimentation section with the inflow and an upper section with the outflow of water cleaned of particles Download PDFInfo
- Publication number
- DE10231241A1 DE10231241A1 DE2002131241 DE10231241A DE10231241A1 DE 10231241 A1 DE10231241 A1 DE 10231241A1 DE 2002131241 DE2002131241 DE 2002131241 DE 10231241 A DE10231241 A DE 10231241A DE 10231241 A1 DE10231241 A1 DE 10231241A1
- Authority
- DE
- Germany
- Prior art keywords
- cleaning system
- filter element
- water
- pipeline
- filter
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 238000004062 sedimentation Methods 0.000 title claims abstract description 5
- 239000002245 particle Substances 0.000 title claims description 12
- 239000004568 cement Substances 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011148 porous material Substances 0.000 claims abstract description 4
- 239000006004 Quartz sand Substances 0.000 claims abstract 2
- 238000004140 cleaning Methods 0.000 claims description 21
- 239000007787 solid Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000011045 prefiltration Methods 0.000 claims description 4
- 238000005192 partition Methods 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 239000010802 sludge Substances 0.000 abstract description 4
- 239000000203 mixture Substances 0.000 abstract 1
- 239000003344 environmental pollutant Substances 0.000 description 5
- 231100000719 pollutant Toxicity 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001179 sorption measurement Methods 0.000 description 4
- 238000009388 chemical precipitation Methods 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000010668 complexation reaction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical class [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011400 blast furnace cement Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052598 goethite Inorganic materials 0.000 description 1
- 239000011019 hematite Substances 0.000 description 1
- 229910052595 hematite Inorganic materials 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- 235000013980 iron oxide Nutrition 0.000 description 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 description 1
- LIKBJVNGSGBSGK-UHFFFAOYSA-N iron(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Fe+3].[Fe+3] LIKBJVNGSGBSGK-UHFFFAOYSA-N 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
- B01D39/2068—Other inorganic materials, e.g. ceramics
- B01D39/2093—Ceramic foam
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2461—Positive-displacement pumps; Screw feeders; Trough conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
- B01D21/267—Separation of sediment aided by centrifugal force or centripetal force by using a cyclone
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
- C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
-
- 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
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Ceramic Engineering (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Filtering Materials (AREA)
Abstract
Description
Aus Gründen des Umweltschutzes sollte mit Feststoffpartikeln und insbesondere Schadstoffen belastetes Wasser, insbesondere Regenwasser, das auf Verkehrsflächen und Dächern anfällt, nicht ungereinigt im Erdreich versickern oder in ein Gewässer eingeleitet werden. Auch die Einleitung dieses Wassers in die städtische Kanalisation ist unerwünscht, weil dafür bei dieser Kanalisation eine entsprechende Kapazität vorgehalten werden muß. Die Erfindung beschäftigt sich mit dem Problem, solche Wässer – insbesondere schwermetallionenhaltige Abwässer von Metalldächern wie Kupferdächern – vor der Versickerung im Boden oder vor der Einleitung in ein Gewässer zu reinigen.For environmental protection reasons contaminated with solid particles and in particular pollutants Water, especially rainwater, on traffic areas and roofs accrues, do not seep into the ground unpurified or be discharged into water become. Even the discharge of this water into the urban Sewerage is undesirable because for it this sewage system must have an appropriate capacity. The invention is concerned with the problem of such waters - in particular wastewater containing heavy metal ions from metal roofs like copper roofs - in front of Infiltration in the ground or before being discharged into a body of water clean.
Der Erfindung liegt die Aufgabe zugrunde, ein im Aufbau einfaches Filterelement für mit Feststoffpartikeln und gelösten Schadstoffen belastetes Wasser sowie ein dafür geeignetes Reinigungssystem zu entwickeln, das ohne großen Aufwand wirksam die Feststoffpartikel und partikuläre Schadstoffe aus dem Wasser entfernt.The invention is based on the object simple filter element for solid particles and dissolved Water contaminated with pollutants and a suitable cleaning system to develop that without much The solid particles and particulate pollutants are effective removed from the water.
Diese Aufgabe wird mit einem Filterelement gelöst, das aus einem Formkörper aus porösem Beton besteht und als vom Wasserstrom durchströmter Körper im Reinigungssystem angeordnet ist. Vorzugsweise hat der Formkörper aus Beton einen Porenanteil von 15 bis 35 Vol.-%. Der Formkörper besteht vorzugsweise aus einem Einkornbeton mit einer Filterkörnung von 0,25 bis 4,00 mm. Der Beton besteht vorzugsweise zu 85 bis 89 Vol.-% aus natürlichen oder künstlichen Gesteinskörnungen, vorzugsweise aus Quarz und 11 bis 15 Vol.-% Bindemittel, vorzugsweise Zement. Vorteilhaft ist ferner, wenn die Gesteinskörnung im wesentlichen runde Kornformen aufweist; auf gebrochenes Material sollte verzichtet werden. Als Zement wird vorzugsweise ein Hochofenzement, beispielsweise CEM III/A nach DIN 1164-1 eingesetzt. Besonders geeignete Zemente enthalten 35 bis 64 Gew.-% Portlandzementklinker, 36 bis 65 Gew.-% Hüttensand sowie 0 bis 5 Gew.-% übliche Nebenbestandteile. Zur Verstärkung der Adsorptionswirkung des Filters können dem Beton ferner 1-15 Gew.-%, insbesondere 3 bis 7 Gew.-% Zusatzstoffe, bezogen auf den Bindemittelgehalt, wie Eisenoxide und/oder -hydroxide, zugesetzt werden. Geeignete Zusatzstoffe sind insbesondere Fe(III)-Oxide wie Goethit, ?-Fe??H und/oder Hämatit (Fe2Ο3) . Vorteilhaft für die Adsorptionseigenschaften ist ferner, wenn der Beton zusätzlich bis zu etwa 10 Gew.-% Aluminiumoxide (Aλ2Ο3) und/oder Schichtsilikate enthält. Vorzugsweise ist in dem Formkörper zumindest eine Schicht aus porösem Beton vorgesehen, die einen CaΟ-Gehalt von 7 bis 10% aufweist.This object is achieved with a filter element which consists of a molded body made of porous concrete and is arranged in the cleaning system as a body through which the water flow flows. The shaped body made of concrete preferably has a pore content of 15 to 35% by volume. The molded body preferably consists of a single-grain concrete with a filter grain size of 0.25 to 4.00 mm. The concrete preferably consists of 85 to 89% by volume of natural or artificial aggregates, preferably quartz and 11 to 15% by volume of binder, preferably cement. It is also advantageous if the aggregate has essentially round grain shapes; broken material should be avoided. A blast furnace cement, for example CEM III / A according to DIN 1164-1, is preferably used as the cement. Particularly suitable cements contain 35 to 64% by weight of Portland cement clinker, 36 to 65% by weight of blastfurnace slag and 0 to 5% by weight of common secondary components. To increase the adsorption effect of the filter, 1-15% by weight, in particular 3 to 7% by weight, of additives, based on the binder content, such as iron oxides and / or hydroxides, can also be added to the concrete. Suitable additives are in particular Fe (III) oxides such as goethite,? -Fe ?? H and / or hematite (Fe 2 Ο 3 ). It is also advantageous for the adsorption properties if the concrete additionally contains up to about 10% by weight of aluminum oxides (Aλ 2 Ο 3 ) and / or layered silicates. At least one layer of porous concrete is preferably provided in the molded body, which has a CaΟ content of 7 to 10%.
Auf diese Weise wird ein ausreichend hoher pH-Wert für die chemische Ausfällung von Schwermetallionen erreicht.This way one becomes sufficient high pH for chemical precipitation reached by heavy metal ions.
Nach einer Ausgestaltung der Erfindung ist das Filterelement Teil eines Reinigungssystems, bei dem es als Trennwand zwischen einem unteren Abteil und einem oberen Abteil einer Behandlungskammer angeordnet ist, wobei ein Wasserzulauf in das untere Abteil einmündet und ein Wasserablauf von dem oberen Abteil ausgeht.According to an embodiment of the invention the filter element is part of a cleaning system in which it is used as a Partition between a lower compartment and an upper compartment a treatment chamber is arranged, with a water inlet in the lower compartment opens and there is a water drain from the upper compartment.
Die Filterwirkung des erfindungsgemäßen Filterelementes wird durch die Größe und die Ausbildung der Poren bestimmt, während die gelösten Schadstoffe durch Adsorption, Innenaustausch, chemische Fällung und/oder Komplexierung durch einen hohen Ca?-Anteil im Zement ausgefällt werden. Dabei ist es für die auf Adsorption, chemische Fällung und Komplexierung basierende Filterwirkung wichtig, daß der poröse Körper eine möglichst große Oberfläche, bezogen auf sein Gesamtvolumen, hat. Von Vorteil ist es auch, wenn der Formkörper in Durchströmrichtung eine zunehmend feinere Porosität hat, weil dann nicht alle Partikel in derselben Ebene abgefiltert werden. Der Gefahr einer schnellen Verschlämmung wird dadurch entgegengewirkt. Ist das Filterelement modular aufgebaut, dann können einzelne Filterteile, die unbrauchbar geworden sind, ausgetauscht werden. Da das zu reinigende Wasser im Reinigungssystem gezwungen ist, im Rufstrom das Filterelement zu passieren, werden die Feststoffpartikel von unten am Filterelement angelagert. Dies hat zur Folge, daß sich nach Abklingen der vertikalen Strömung die abfiltrierten Partikel vom Filterelement trennen und absinken. Aus diesem Grunde kann das untere Abteil vorzugsweise als Sedimentationsraum ausgebildet sein. Um die Feststoffpartikel möglichst wirksam abzuscheiden, kann im Sedimentationsraum ein Hydrozyklon mit Schlammfang angeordnet sein. Um die Wirkung des Hydrozyklons zu aktivieren, kann der Wasserzulauf tangential in das untere Abteil einmünden.The filter effect of the filter element according to the invention is determined by the size and the Formation of pores is determined during the dissolved pollutants through adsorption, internal exchange, chemical precipitation and / or complexation are precipitated by a high proportion of Ca? in the cement. It is for those on Adsorption, chemical precipitation and Complexation-based filter effect important that the porous body preferably size Surface, based on its total volume. It is also an advantage if the molded body in the flow direction an increasingly fine porosity because then not all particles are filtered out in the same plane. This counteracts the risk of rapid silting up. If the filter element is modular, then individual filter parts that become unusable, be replaced. Because the thing to be cleaned Water in the cleaning system is forced into the filter element in the call flow to pass, the solid particles are from below on the filter element attached. As a result, the vertical Flow the separate the filtered particles from the filter element and sink. Out for this reason, the lower compartment can preferably be used as a sedimentation room be trained. In order to separate the solid particles as effectively as possible, a hydrocyclone with sludge trap can be arranged in the sedimentation room his. In order to activate the effect of the hydrocyclone, the water supply can open tangentially into the lower compartment.
Das erfindungsgemäße Filterelement und das erfindungsgemäße Reinigungssystem eignen sich insbesondere zur Entfernung von Schwermetallionen wie Cu, Pb, Zn, Cd und Ni aus Abwässern, insbesondere von Metalldächern und Verkehrsflächen.The filter element according to the invention and the cleaning system according to the invention are particularly suitable for removing heavy metal ions such as Cu, Pb, Zn, Cd and Ni from waste water, especially of metal roofs and traffic areas.
Für den Wasserablauf gibt es verschiedene Möglichkeiten. So kann der Wasserablauf von porösen Teilen der Kammerwand gebildet sein. Alternativ oder auch zusätzlich kann er von einer Rohrleitung gebildet sein. In diesem Fall sollte die Rohrleitung als Sickerrohr ausgebildet und in ein wasserdurchlässiges Filtermaterial eingebettet sein. Je nach vorhersehbarem Wasseranfall können auch mehrere solche Rohrleitungen parallel gegenüber oder sternförmig an den oberen Teil der Behandlungskammer angeschlossen liegen. Auf diese Art und Weise entsteht dann ein an sich bekanntes Rigolensystem zur Versickerung des Wassers im Boden.For the water drain there are different options. So can the water drain of porous Parts of the chamber wall can be formed. Alternatively or in addition can it is formed by a pipeline. In this case, the Pipeline designed as a drain pipe and in a water-permeable filter material be embedded. Depending on the foreseeable amount of water, too several such pipes parallel or star-shaped the upper part of the treatment chamber are connected. On in this way a known infiltration system is created to infiltrate the water in the ground.
Vorzugsweise besteht die Rohrleitung wie das Filterelement aus porösem Beton. Sie wirkt dann als zweite Filterstufe, die ebenso wie die erste Filterstufe des Filterelementes in der Behandlungskammer auch gelöste, von der ersten Stufe nicht erfaßte Schadstoffe ausfiltern kann.The pipeline preferably consists of the filter element made of porous concrete. It then acts as a second filter stage, which, like the first filter stage of the filter element in the treatment chamber, can also filter out pollutants that have not been detected by the first stage.
Nach einer weiteren Ausgestaltung der Erfindung führt die Rohrleitung zu einer Kontrollkammer. Hier kann die Wirksamkeit der ein- oder mehrstufigen Filterung kontrolliert werden. Diese Kontrollkammer kann auch für die Zuführung von Spülwasser für die Rückspülung des Filterelementes und ggf. der Rohrleitung benutzt werden. Um Laub und andere Grobstoffe erst gar nicht in die Behandlungskammer mit dem Filterelement gelangen zu lassen, kann in der zum Wasserzulauf in die Kammer führenden Rohrleitung ein Vorfilter für Laub und andere Grobstoffe angeordnet sein.According to a further embodiment of the invention leads the pipeline to a control chamber. Here the effectiveness the one- or multi-stage filtering can be checked. This Control chamber can also be used for the feeder of rinse water for backwashing the Filter element and possibly the pipeline are used. To foliage and other coarse materials not even in the treatment chamber with the To let the filter element get into the water inlet in leading the chamber Pipeline a prefilter for Leaves and other coarse matter can be arranged.
Im folgenden wird die Erfindung anhand einer ein Ausführungsbeispiel schematisch darstellenden Zeichnung näher erläutert. Im einzelnen zeigen:The invention is explained below one an embodiment schematically illustrating drawing explained in more detail. In detail show:
Das in
Ein dritter Schacht
Das zu reinigende Wasser gelangt über eine Rohrleitung
Das modular aus Platten aufgebaute
Filterelement
Um auch ein unerwartet hohes Wasservolumen
aufnehmen und notfalls ungereinigt ableiten zu können, führt eine Überlaufleitung
Wie
Claims (15)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10231241.9A DE10231241B4 (en) | 2002-07-11 | 2002-07-11 | Cleaning system for contaminated with solid particles and solutes water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10231241.9A DE10231241B4 (en) | 2002-07-11 | 2002-07-11 | Cleaning system for contaminated with solid particles and solutes water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE10231241A1 true DE10231241A1 (en) | 2004-01-29 |
| DE10231241B4 DE10231241B4 (en) | 2017-12-14 |
Family
ID=29796257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10231241.9A Expired - Fee Related DE10231241B4 (en) | 2002-07-11 | 2002-07-11 | Cleaning system for contaminated with solid particles and solutes water |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE10231241B4 (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1967657A2 (en) | 2007-03-06 | 2008-09-10 | 3P Technik Filtersysteme GmbH | Filter device for a cleaning system for water containing solid particles and/or dissolved pollutants |
| DE102007011225A1 (en) | 2007-03-06 | 2008-09-11 | Mall Gmbh | Assembly to reduce metals in rain water has a collection tank, containing porous concrete plates for filtering, followed by a second tank with a filter |
| DE102007012455A1 (en) | 2007-03-15 | 2008-09-18 | Hans Huber Ag Maschinen- Und Anlagenbau | Local water treatment system for rain water, in a shaft structure, has a hollow zone for an ion exchanger and/or an adsorbent material |
| US7465391B2 (en) * | 2005-09-09 | 2008-12-16 | Cds Technologies, Inc. | Apparatus for separating solids from flowing liquids |
| EP2085527A1 (en) | 2008-02-01 | 2009-08-05 | Fränkische Rohrwerke Gebr. Kirchner GmbH + Co KG | Facility for rainwater management |
| DE102008000775A1 (en) | 2008-03-19 | 2009-09-24 | Dr. Pecher Ag | System for cleaning surface water such as rainwater, comprises first pit to introduce surface water, second pit to treat introduced surface water using filter element, connecting line, unit for limiting the flow rate, and flow rate meter |
| DE102010013473A1 (en) | 2010-03-30 | 2011-10-06 | Achim Paul Richard Godau | Cleaning device for waste water, particularly circulation area, has treatment shaft, in which filtering unit separates upper chamber from lower chamber of treatment shaft |
| FR2964097A1 (en) * | 2010-08-26 | 2012-03-02 | Lafarge Sa | System for filtering water e.g. rainwater, comprises permeable concrete block comprising water receiving face and filtered water supplying face, substrate layer covering water receiving face, plant, and edge surrounding the substrate layer |
| WO2012031714A1 (en) * | 2010-09-10 | 2012-03-15 | 3P Technik Filtersysteme Gmbh | Filter device for a road gully |
| US8322540B2 (en) * | 2005-01-26 | 2012-12-04 | Royal Environmental Systems, Inc. | Filter element for water loaded with solid particles and dissolved toxic substances and purification system equipped with said filter element |
| CN106223402A (en) * | 2016-09-07 | 2016-12-14 | 成都秉德科技有限公司 | A kind of rainwater-collecting cleaning system |
| CN106223401A (en) * | 2016-09-07 | 2016-12-14 | 成都秉德科技有限公司 | A kind of rainwater-collecting filter |
| CN106337490A (en) * | 2016-09-07 | 2017-01-18 | 成都秉德科技有限公司 | A rainwater collection and reuse device |
| LU101278A1 (en) | 2018-06-28 | 2019-12-30 | M H C Nv | Rainwater tank |
| CN111119041A (en) * | 2019-12-30 | 2020-05-08 | 安徽鑫盛市政工程有限公司 | Drainage system for highway bridge |
| LU500616A1 (en) | 2020-09-04 | 2022-03-04 | Ecobeton Water Tech Nv | Water reservoir |
| DE102013107153B4 (en) | 2013-07-08 | 2022-08-11 | Dr. Pecher Ag | Cleaning shaft and method for decentralized rainwater treatment |
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| DE1028945B (en) * | 1950-04-11 | 1958-04-24 | Alfred Horn | Tube well filter |
| DE1517949B2 (en) * | 1966-05-21 | 1973-12-20 | Maschinen- Und Anlagen - Bau Gmbh, 4330 Muelheim | Separator for the sludge from wastewater for the treatment of utility water |
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| US5112479A (en) * | 1990-05-30 | 1992-05-12 | Micropure Filtration, Inc. | Oil purification unit with cyclonic reservoir section and filtration section |
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| DE9300954U1 (en) * | 1993-01-25 | 1993-03-11 | Mies, Alfons Gerhard, 5485 Sinzig | Filter device for liquids |
| JPH06319909A (en) * | 1993-05-14 | 1994-11-22 | Kubota Corp | Small particle separator in fluid |
| DE9412053U1 (en) * | 1994-07-26 | 1994-10-06 | Mall Beton GmbH, 78166 Donaueschingen | Filter shaft for a rainwater storage tank |
| EP1205225A1 (en) * | 2000-11-08 | 2002-05-15 | Jürg Schneeberger | Process and filtering system for cleaning lubricating and cooling fluid |
-
2002
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