EP2058441B1 - Système stockant et nettoyant de l'eau - Google Patents

Système stockant et nettoyant de l'eau Download PDF

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Publication number
EP2058441B1
EP2058441B1 EP07120361A EP07120361A EP2058441B1 EP 2058441 B1 EP2058441 B1 EP 2058441B1 EP 07120361 A EP07120361 A EP 07120361A EP 07120361 A EP07120361 A EP 07120361A EP 2058441 B1 EP2058441 B1 EP 2058441B1
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EP
European Patent Office
Prior art keywords
water
reservoir
porous material
barrier layer
layer
Prior art date
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Active
Application number
EP07120361A
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German (de)
English (en)
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EP2058441A1 (fr
Inventor
Holger Burkhardt
Arthur Glanzmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Luxin (Green Planet) AG
Original Assignee
Luxin (Green Planet) AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to EP11183031A priority Critical patent/EP2402514A3/fr
Application filed by Luxin (Green Planet) AG filed Critical Luxin (Green Planet) AG
Priority to DK07120361.6T priority patent/DK2058441T3/da
Priority to ES07120361T priority patent/ES2392993T3/es
Priority to SI200731121T priority patent/SI2058441T1/sl
Priority to PL07120361T priority patent/PL2058441T3/pl
Priority to PT07120361T priority patent/PT2058441E/pt
Priority to EP07120361A priority patent/EP2058441B1/fr
Priority to US12/740,342 priority patent/US8449219B2/en
Priority to PCT/EP2008/009461 priority patent/WO2009059794A1/fr
Priority to AU2008324373A priority patent/AU2008324373B2/en
Priority to CN2008801153789A priority patent/CN101855407B/zh
Priority to BRPI0820182A priority patent/BRPI0820182A2/pt
Publication of EP2058441A1 publication Critical patent/EP2058441A1/fr
Priority to ZA2010/02503A priority patent/ZA201002503B/en
Priority to IL205519A priority patent/IL205519A/en
Priority to US12/979,238 priority patent/US8256989B2/en
Application granted granted Critical
Publication of EP2058441B1 publication Critical patent/EP2058441B1/fr
Priority to CY20121101147T priority patent/CY1113638T1/el
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F1/00—Methods, systems, or installations for draining-off sewage or storm water

Definitions

  • the present invention relates to a water storage and water purification system.
  • Water is a precious commodity and is becoming increasingly valuable due to the increase in world population and the resulting increased food needs. Supplying people with clean water is not just a big logistical problem for developing countries. Only 0.3% of the world's water resources are available as drinking water. Water scarcity can develop into a water crisis, especially in low-precipitation countries. The creation of new habitats is prevented in many places due to a prevailing lack of water. For example, the desertification of desert or steppe regions is extremely problematic due to the lack of water. From an economic point of view, even water conservation and water storage in areas rich in precipitation is stimulated. As the simplest hydrological systems for water storage are known water storage lakes and underground water collection tanks. To address water scarcity, there is a need for specially adapted technologies for water treatment and water storage.
  • an aquitransistor comprising a plurality of perforated conduits embedded in a matrix of porous materials.
  • water with a hydrodynamic potential is passed through the porous material of the aquitransistor before flowing into the perforated conduits and being withdrawn therefrom by a pumping device.
  • the known methods and devices for water purification and / or water storage have the disadvantage that they can not be used independently of the geographical conditions and / or soil conditions on site. For example, water losses or quality losses can occur. In order to improve the quality of the purified water, an additional water purification is often required, which in turn is very costly.
  • the DE 41 12 802 C1 shows a system according to the preamble of claim 1.
  • the EP 1 245 537 A2 shows a plant water treatment plant with inlet and outlet, comprising a prefabricated wastewater treatment plant housing with a feed shaft, a plant bed and a downcomer, which are fluidly connected with each other and with the environment so that water can flow in, through and out of the system.
  • the WO 01/77032 A1 shows a biofilter plant for the purification of process water, which is introduced into a peat layer for cleaning, which is held by a metal grid, through which the purified water can seep into the ground.
  • the WO 2006/058441 A1 discloses a polyurethane and a geotextile made therewith.
  • the invention relates to a water storage and water purification system, comprising: a reservoir which is at least partially filled with porous material, a water catchment, and at least two barrier layers for extending the seepage path of the water, the barrier layers being substantially water impermeable, artificial and outboard delimited reservoirs are arranged, the barrier layers are each provided with at least one passage for water, and in each case above and below the barrier layers is porous material; wherein the water collecting container has a first opening above the uppermost barrier layer and at least one second opening through which water can flow below the lowermost barrier layer; wherein the passage for water based on the total area of the barrier layer occupies a surface area of 5% to 20% and is arranged in the outer region of the barrier layer; and wherein the passages for water from each two adjacent barrier layers are offset from each other.
  • the system is characterized in that the water collecting container extends in the reservoir from its bottom upwards at least to its surface, and the pores of the porous material have a diameter of less than 0.1 ⁇ m.
  • the substantially water-impermeable, artificial and outwardly delimited reservoir ensures that as far as possible no water to be cleaned and stored can seep into deeper porous layers with high capillarity and thus is no longer available to the system.
  • the effect of the reservoir is that as far as possible no water, which is contaminated, for example, and / or contaminated with pollutants, can diffuse into the system according to the invention. This ensures the high quality of the water within the system.
  • the Sickerweg of the water through the porous material extended and thus water can be much longer held under the earth (stored).
  • the system according to the invention need not be particularly deep, which makes it cost-effective in its creation and maintenance. It is also conceivable, for example, to exploit closed-pit mines, mines or other, existing pits, or to arrange the system below a swimming pool.
  • the present invention relates to a water storage and water purification system.
  • the Fig. 1 shows a system 1 for water storage and water purification.
  • Fig. 2 and 3 show a system for water storage and water purification according to the invention.
  • the system 1 has, as in Fig. 1 . 2 and 3 shown, a substantially water-impermeable, artificial and outwardly delimited reservoir 2.
  • an artificial, substantially water-impermeable reservoir 2 ensures that as far as possible no water is lost from the system 1 according to the invention into deeper, porous, water-attracting layers.
  • the essentially water-impermeable, artificial reservoir 2 causes as little water as possible, which is contaminated and / or salty, for example, to leak into the system according to the invention from outside, thereby reducing the quality of the water to be stored and cleaned.
  • the reservoir 2 furthermore has the advantage that the system 1 according to the invention can be used for water purification or water storage regardless of location, ie independently of the geological condition, the climatic conditions and / or the soil conditions on site.
  • the reservoir 2 can, as in Fig. 1 represented, trough-shaped. But it can also have any other suitable form. For example, it may be hemispherical in shape.
  • the reservoir 2 may have any suitable size. However, it has proved to be advantageous to adapt the size of the reservoir 2 to the expected amount of precipitation and to the amount of water to be stored. If the reservoir is arranged under a swimming pool, for example, it preferably has at least half the volume of the swimming pool.
  • the size of the reservoir 2 may also depend on whether the inventive system 1 is used for water storage, water purification and / or irrigation.
  • a system 1 according to the invention which is mainly used for irrigation, may be designed to be somewhat shallower.
  • the reservoir 2 is at least partially filled with porous material 3.
  • "at least partially” means that the reservoir 2 is to be filled with at least as much porous material 3 as is necessary in order to achieve sufficiently good storage and purification of the water.
  • the porous material 3 is gravel, gravel, sand (eg quartz sand) or a mixture thereof. But clay, silt and / or clay can also be used. Other materials, such as plastics, can also be used if, due to their porosity, the ratio of the volume of all their voids to their outer volume, they are able to store and transport water.
  • pore size of a porous material 3 a distinction must be made between coarse, fine and microporous pores.
  • Large pores macropores
  • the fine pores are micropores with a pore diameter of 0.1 to 0.1 microns. These capillary pores transport the water.
  • the ultrafine pores also called ultramicropores or gel pores, have a pore diameter of ⁇ 0.1 ⁇ m and are involved in slow, long-lasting water transport.
  • the system 1 according to Fig. 1 comprises a barrier layer 5 ( Fig. 1 ) .
  • the inventive system according to the Fig. 2 and 3 comprises a plurality of barrier layers 5, which are arranged within the reservoir 2.
  • the barrier layer 5 is also provided with at least one passage 6 for water ( Fig. 1 . 2 . 3 ) .
  • the barrier layer 5 is made of a material which is substantially water-impermeable.
  • barrier layer 5 is designed in such a way that the major part of the water which seeps through the reservoir 2 is prevented from passing through the barrier layer 5 to pass into the area above or below the barrier layer 5.
  • the barrier layer 5 serves or the barrier layers 5 serve to extend the seepage path of the water through the porous material 3 of the reservoir 2. By extending the seepage path, the water stays longer below the surface. It can thus be stored longer within the reservoir 2. In addition, the water is filtered over a longer period of time, which improves the quality of the purified water.
  • the improved quality of the purified water can be explained in particular by the fact that the speed at which the water moves through the system 1 according to the invention is reduced or repeatedly reduced again by the barrier layer 5 or by the barrier layers 5.
  • the lowest possible flow rate is particularly advantageous for achieving a high degree of purification.
  • the barrier layer 5 When the water reaches the barrier layer 5, it begins to accumulate water seepage. Normally, water travels through porous material open-pored (through the interior of the material or through wall openings from one material to the next) and closed-cell (always around the individual materials). In this jammed condition, however, it penetrates particularly well and deeply into the capillaries of the porous material 3. It behaves rather open-pored. This results in 5 dirt and in the area immediately in front of the barrier layer Dirt particles in and on the pores can deposit or settle particularly well.
  • the barrier layer 5 or the barrier layers 5 are arranged horizontally, as in FIG Fig. 1 and Fig. 2 shown.
  • the seepage path of the water is the longest by the system 1 according to the invention, which has a particularly positive effect on the quality of the purified water.
  • any other inclination of the barrier layer 5 is possible if the property of the barrier layer 5 to extend the seepage path of the water is not lost as a result.
  • the individual barrier layers 5 within a system can each have the same degree of inclination but can also differ with regard to their degree of inclination.
  • the passage 6 for water takes or the passages 6 for water take a total, relative to the entire barrier layer 5, only a small area. This is preferably an area of 5 to 20%. Particularly preferred is a surface area of 8 to 15%. Most preferred is a surface area of 10 to 12% based on the total area of the barrier layer 5.
  • the passage 6 for water is located at a selected location.
  • the passage 6 for water may be arranged in the outer region of the barrier layer 5, as in the exemplary embodiment in FIG Fig. 1 shown.
  • the passage 6 for water is preferably located immediately before the end of the barrier layer 5.
  • Most preferred is a passage 6 for water which is located at the very end of the barrier layer 5.
  • the passage 6 for water is present within the barrier layer 5 in the form of a slot or a hole.
  • the seepage path of the water is extended by the system 1 according to the invention or made as maximum as possible.
  • This in turn means that the residence time of the water within the system 1 according to the invention increases.
  • the residence time of the water within a system 1 according to the invention with two barrier layers 5 and one each at the end of the barrier layer 5 opposite passage 6 for water, with a given volume and a selected porous material 3 increases by about three times and at a inventive system 1 with three barrier layers 5, about four times the residence time of the water in a system that does not include barriers.
  • the increase in the residence time of the water to be purified has a particularly positive effect on the quality of the purified water.
  • more water per unit time and volume element can be stored within the system 1 according to the invention.
  • the porous material 3, which is located above and below the barrier layer 5, may be one and the same. However, it has proved to be particularly advantageous if the porous material 3 differs above and below the barrier layer 5. This has the following reason: By varying the porosity of the porous material 3 within the system 1 according to the invention, the water is constantly exposed to new resistances or attractive forces. These cause the water in the interior of the system 1 according to the invention to travel at different flow rates. This further increases the quality of the filtered water.
  • a water quality is achieved, which corresponds to drinking water quality. If water is kept underground with the system 1 according to the invention over a period of at least 19 days, it is even germ-free or sterile.
  • porous material 3 for example quartz sand, which is repeatedly exposed to different pressures as a result of the storage and then reacts with an electrical polarization (piezoelectric effect), leads to a destruction or inactivation of microorganisms. This process can be accelerated by the use of different porous materials 3 even more.
  • the reservoir 2 and / or the barrier layer 5 comprises a geotextile.
  • the geotextile in turn, in its simplest embodiment, comprises a layer of woven or non-woven interspersed with polyurethane.
  • a geotextile has the advantage that unwanted water, such as salt water in coastal areas, as far as possible can not penetrate into the system 1 according to the invention or infiltrate.
  • water which is applied to the system 1 according to the invention for storage is kept within this system 1. It can not easily seep into deeper layers.
  • Another advantage of the geotextile is that it participates in thermally and mechanically induced displacements in the structure of the soil (for example in an earthquake). Due to its stability and weather resistance, it is resistant to damage caused by roots or pointed stones even after prolonged use.
  • the outer shape of the geotextile can be adapted to the terrain on site. This is due to his special manufacturing process. A reservoir comprising a geotextile can therefore be used extremely flexibly. This saves time and additional costs, e.g. for earthworks.
  • the polyurethane used for the geotextile may be formed by polymerizing a two-component system consisting of a polyol component comprising a polyether polyol, a polyester polyol, a propylene oxide homopolymer and a ground molecular sieve, and an isocyanate component comprising diphenylmethane-4,4'-diisocyanate.
  • the mass ratio of polyol component to isocyanate component is preferably in the range of about 108:15 to about 102:21, more preferably in the range of about 106:17 to about 104:19, most preferably about 105:18.
  • the geotextile comprises a fleece
  • the fleece additionally comprises staple fibers of 3 to 15 cm in length.
  • the staple fibers are made of a plastic selected from polypropylene, polyethylene, polyacrylonitrile, polyamide, polyvinyl chloride and polyester.
  • the nonwoven may further comprise wires.
  • sheet-like structures (leaflets) of elastomeric polymers predominantly of natural raw materials, may be included.
  • the staple fibers and, if desired, wires and / or flakes can be joined together so that their strength is independent of the direction. As a result, a flexible surface training is achieved with good adaptation to uneven ground without risk of damage to the structure.
  • this fabric of crossing threads and fiber systems serves only as a test and for the absorption of the polyurethane.
  • the geotextile can be made as follows: First, a given ground area is excavated. The excavated amount of earth corresponds to the calculation according to the expected precipitation and the desired amount of water to be stored. Then serving as reinforcement layer is laid out on the ground to be sealed (eg pit) nationwide. Subsequently, the Polyol component and the isocyanate component by means of a spraying machine sprayed onto the prepared layer. Both components eventually cure within a short time (a few minutes) to form the polyurethane.
  • the term "substantially sealed” is understood to mean that the throughput of water through the layer (in liters of water per m 2 of layer area and time) is preferably reduced by at least 99%, more preferably by at least 99.9%, by the infiltrated polyurethane is compared when compared with a same but non-polyurethane layer.
  • the sealing by the polyurethane is such that the finished geotextile is impermeable to water, thus waterproof.
  • the spraying process can be repeated by applying a second layer. This again increases the stability of the situation.
  • This second layer can serve as additional root penetration protection.
  • a geotextile which preferably comprises a second layer made of a woven or non-woven fabric
  • the hollow and / or intermediate spaces present in the second layer are filled by the polyurethane.
  • the first and second layer is glued together by polyurethane.
  • Polyurethane has the advantage that it has a high resistance to tearing and breakage (well over 200%). It is resistant to all environmental influences, even against saline or contaminated soils. It is also subject to no aging and embrittlement processes. Even with constant free weathering it is stable over a period of 20 years. By using the polyurethane together with a fleece or fabric, the aging of the polyurethane is further delayed (by about one order of magnitude).
  • the inventive system 1 comprises, as in the embodiment in Fig. 2 and 3 in addition, a water collecting container 4.
  • the water collecting container 4 extends from the bottom of the reservoir 2 at least to the surface thereof.
  • the water collecting container 4 furthermore has an opening 7 above the uppermost barrier layer 5 and at least one opening 8 below the lowermost barrier layer 5 through which water can flow.
  • the water collecting container 4 can, as in Fig. 1 . 2 and 3 shown to be a fountain. However, any other suitable water collecting container 4 can also be used.
  • the water collecting container 4 may also be a Spanish rider.
  • the water collecting container 4 is connected via the opening 7 with a water removal station 9.
  • a water removal station 9 With the water removal station 9, water, which has migrated due to its hydrodynamic potential into the porous layer below the lowermost barrier layer 5 and then further seeped through the opening 8 and through the openings 8 into the water collecting container 4, can be removed.
  • the water removal station 9 is in the embodiment in Fig. 2 and 3 shown.
  • the water removal station 9 is formed so that it completely closes the opening 7 of the water collecting container 4 (see Fig. 3 ). In this way, no water (eg rainwater) can flow via the opening 7 into the water collecting container 4. As a result, the water level within the water collecting container 4 is not changed unintentionally. In addition, the water within the water collecting container 4 is not contaminated by unfiltered water.
  • the opening 8 is a hole or a slot. If the water collecting container 4 has more than one opening 8, these openings 8 may be in the form of holes and / or slots. But you can also have any other suitable form. In the embodiment in Fig. 1-3 The water collecting container 4 has openings 8 in the form of slots. By choosing the number, size and geometry of the openings 8, the rate at which the water seeps into the water collecting container 4 can be varied. When choosing the size and geometry of the openings 8 care should be taken that as far as possible no porous material 3 enters the water collecting container 4.
  • the water removal station 9 is a pumping station.
  • the flow rate of the water can be varied by the system 1 according to the invention (change of the hydrodynamic potential).
  • the residence time of the percolating water within the system 1 according to the invention can thus also be varied, which in turn has an effect on the quality of the water to be purified.
  • the pumped out of the filtered water is carried out so that the residence time of the water within the reservoir 2 is as long as possible. For the longer the water seeps through the interior of the reservoir 2, the purer it is. It also has a particularly beneficial effect on the cleaning result when the water seeping through is repeatedly exposed to new pressure conditions during filtering.
  • the water initially seeps through the system 1 until it reaches the bottom of the reservoir 2 below the lowermost barrier layer 5. Due to the inflowing water, the level in the system 1 increases and the water is now pressed from below, both through the water collecting container 4 as a riser and through the passages 6 of the barrier layers 5 back up. Thus, there is a recirculation of the water in the system 1. With the continue from above water flowing after, this recirculation leads to an even better cleaning of the water in the system 1.
  • a planting layer 10 may be applied.
  • this is a humus-carrying layer.
  • porous material 3 above the uppermost barrier layer 5 has a high capillarity or a high water absorption coefficient.
  • the capillarity is a physical property, which is due to adhesion, cohesion and surface tension and which causes the transport of liquids and the substances contained therein within the finest hair tubes, crevices and pores, in all directions, and thus also opposite to gravity.
  • porous material 3 in the upper layer now finest capillaries, so it absorbs water, and that until it is saturated and no more water can absorb. This water can then serve the humus-containing layer as an immediate water reservoir. As a result, vegetation is possible even in low-precipitation areas.
  • This high-capillary layer of porous material 3 which preferably consists of micro-pores, also has the effect of an insulating layer for the entire system 1 according to the invention. It can hold the water particularly well and also prevent it from evaporating on the soil surface.
  • the Fig. 4 shows a system 1 'for water storage and water purification, but does not fall under the invention.
  • the system 1 ' has, as in Fig. 4 shown, a substantially water-impervious, artificial and outwardly delimited reservoir 2 'on.
  • the reservoir 2 ' may, as in Fig. 4 shown to be formed in a special trough shape. But it can also have any other suitable form. For example, it may be hemispherical in shape.
  • the reservoir 2 'comprises a geotextile.
  • the geotextile in turn, in its simplest embodiment, comprises a layer of woven or non-woven interspersed with polyurethane.
  • the polyurethane used for the geotextile may be formed by polymerizing a two-component system consisting of a polyol component comprising a polyether polyol, a polyester polyol, a propylene oxide homopolymer and a ground molecular sieve, and an isocyanate component comprising diphenylmethane-4,4'-diisocyanate.
  • the reservoir 2 ' is at least partially filled with a porous material 3'.
  • a porous material 3' By “at least in part” is meant that the reservoir 2 'is to be filled with at least as much porous material 3' as is necessary in order to achieve sufficiently good storage and purification of the water.
  • the porous material 3 is gravel, gravel, sand (e.g., quartz sand) or a mixture thereof.
  • sand e.g., quartz sand
  • clay, silt and / or clay can also be used.
  • Other materials, such as plastics, may be used if they are able to store and transport water due to their porosity, the ratio of the volume of all their voids to their outer volume.
  • Porous material 3 ' which is water-saturated, absorbs water, while porous material 3', which is water-saturated, releases water into less saturated areas. This then results in the flow flow.
  • Porous material 3 ' which is water-saturated, absorbs water, while porous material 3', which is water-saturated, releases water into less saturated areas. This then results in the flow flow.
  • the use of porous material 3 'whose capillarity increases toward the bottom of the reservoir 2' causes the water to be drawn into deeper layers (in addition to gravity).
  • porous material 3 ' if one chooses porous material 3 'whose capillarity increases in the direction of the surface of the reservoir 2', water is drawn into higher layers (contrary to gravity).
  • the porous material 3 'in the lower layer is more porous than the porous material 3' in the upper layer. In this case, a particularly good water quality (drinking water quality) of the filtered water can be achieved.
  • the system 1 'further comprises a water collecting container 4' which extends from the bottom of the reservoir 2 'to at least its surface, the water collecting container 4' having an opening 6 'in the upper region and at least one opening 5' in the lower region the water can flow.
  • the water collecting container 4 ' is a well or a Spanish rider.
  • the water collecting container 4 ' is a well.
  • the water collecting container 4 ' can be connected via the upper opening 6' with a water removal station 7 '(see Fig. 4 ). Water, which due to its hydrodynamic potential has leaked to the bottom of the reservoir 2 'and then has migrated further through the opening 5' or via the openings 5 'into the water tank 4', can be removed via the water removal station 7 '.
  • the water removal station 7 ' can be, for example, a pumping station. By removing water from the water collecting container 4 'by means of a pump, the inherent hydrodynamic potential of the water flow through the system 1' can be increased.
  • the opening 5 ' is a hole or a slot. If the water collecting container 4 'has more than one opening 5', these openings 5 'can be in the form of holes and / or Slots are present. The openings 5 'can also have any other suitable shape.
  • the water collecting container 4 'in the embodiment in Fig. 4 has openings 5 'in the form of slots.
  • the water removal station 7 ' is formed so that it completely closes the opening 6' of the water collecting container 4 '(see Fig. 4 ). In this way, no water (eg rainwater) over the opening 6 'in the water collecting container 4' flow. As a result, the water level within the water collecting container 4 'is not changed unintentionally. In addition, the water within the water collecting container 4 'is not contaminated by unfiltered water.
  • a planting layer 8 'applied On the uppermost layer of porous material 3 'of the system 1', as in the embodiment of FIG Fig. 4 shown, a planting layer 8 'applied.
  • this is a humus-carrying layer.
  • the porous material 3 'in the uppermost layer has a high capillarity or a high water absorption coefficient.
  • the water in the capillaries is then available to the humus-bearing layer as an immediate water reservoir. This also makes intensive horticulture possible in very dry regions of the earth.
  • the inventive system 1 and the system 1 of Fig. 1 and the system 1 'of Fig. 4 are particularly suitable for agricultural and forestry applications, for example for the recultivation of Soils or for reforestation.
  • the systems 1 and 1 'for water storage (eg rainwater) and water purification are suitable.
  • the water to be filtered may be rainwater.
  • the desalination of seawater (to provide drinking water) can also take place with the systems 1 and 1 '.
  • the systems according to the invention can be used independently of location. For example, their use is also possible in coastal areas close to the sea or in regions with saline soils.
  • the known systems for water purification and water storage show no solution.
  • the water supply can be ensured in dry regions. Often even another harvest is possible.
  • water can be purified in a particularly high quality with the systems according to the invention.
  • a substantially water-impermeable reservoir 2, 2 ' it is achieved that already filtered water or water still to be filtered as possible not contaminated by in the system 1, 1 'infiltrating water, which is contaminated for example with pollutants.
  • porous material 3 in combination with at least one barrier layer 5 prolongs the seepage of the water, making it possible to keep water very long within the reservoir (particularly good water storage).
  • the ability of the system 1 to store water can be increased even more.
  • the quality of the purified water is further improved.
  • a layer of fleece was designed for the preparation of the reservoir.
  • a first layer of polyurethane was applied, which had the following formulation: polyol: parts by weight - Polyether polyol (obtainable by polymerization of ethylene oxide with ethylene glycol, MW 440) 25 - Polyesterdiol (obtainable by polymerization of ethylene glycol and adipic acid, MW 390) 26 - Polyesterdiol (available by polymerization of 6 Ethylene glycol and adipic acid, MW 340) Homopolymer of propylene oxide 7 - Polyether polyol (Voralux HN 370, hydroxyl number 26-30 mg KOH / g) 15 - Polyether polyol (obtainable by polymerization of propylene glycol with ethylene glycol, MW 4000) 13 - 1,4-butaned
  • the spraying of the formulation was carried out by means of high-pressure cleaner.
  • the spray pressure was about 200 bar for the polyol and isocyanate components. Both components were sprayed on separately.
  • the spray temperature was 25 ° C for the isocyanate component and 35 ° C for the polyol component.
  • the relative spraying power of the two nozzles corresponded to the mass ratio of the polyol component to the isocyanate component. So much formulation was applied that a continuous impregnation of the situation was achieved.
  • polyurethane was formed by polymerization. This process was repeated to form another polyurethane layer. After curing within a few seconds, the reservoir-forming geotextile was filled with a 1 meter high layer of fine sand.
  • a barrier layer was applied, followed by another 1 m high sand layer. This was followed by a further barrier layer and a gravel layer of 1 m height. The last layer was a 0.5 m high layer of soil.
  • the two barrier layers of 10 m in length were produced by the same method as the reservoir. Both barrier layers each contained on one side, 0.5 m in front of the barrier layer end, 10 holes with a diameter of 10 cm at a distance of 10 cm. The two barrier layers were placed in the reservoir so that the holes were opposite. Finally, a well 0.3 m wide and 4 m long was fitted into the reservoir. He had in the lower part 5 openings in the form of 10 cm long and 2 cm wide slots. The upper end of the well was finally connected to a suction pump.
  • Flow rate of water lowest possible flow rate for particularly good cleaning results
  • Pumping power very low pumping power as the water is pushed from the bottom upwards
  • Quality of the water drinking water

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Treatment By Sorption (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
  • Revetment (AREA)
  • Sewage (AREA)

Claims (13)

  1. Système stockant et nettoyant de l'eau (1), comportant: un réservoir (2) étant rempli au moins partiellement avec du matériau poreux (3), un collecteur d'eau (4), et au moins deux couches barrières (5) pour prolonger la ligne de fuite de l'eau;
    les couches barrières (5) étant aménagées dans le réservoir (2) qui est globalement étanche à l'eau, artificiel et délimité vers l'extérieur, les couches barrières (5) étant dotées chacune d'au moins un passage (6) pour de l'eau, et du matériau poreux (3) se trouvant chacun au-dessus et en dessous des couches barrières (5);
    le collecteur d'eau (4) au-dessus de la couche barrière (5) la plus haute présentant une première ouverture (7) et en dessous de la couche barrière (5) la plus basse présentant au moins une deuxième ouverture (8) par lesquelles de l'eau peut s'écouler;
    le passage (6) pour de l'eau relatif à la superficie totale de la couche barrière (5) présentant une surface de 5 % à 20 %, et étant aménagé à l'espace extérieur de la couche barrière (5); et
    les passages (6) pour de l'eau de deux couches barrières (5) respectivement adjacentes étant aménagés décalés les uns par rapport aux autres,
    caractérisé en ce que
    le collecteur d'eau (4) se trouve dans le réservoir (2) et s'étende de son fond vers le haut au moins jusqu'à sa surface, et les pores du matériau poreux (3) présentent un diamètre de moins de 0,1 µm.
  2. Système selon au moins l'une quelconque des revendications précédentes, le collecteur d'eau (4) étant lié à une station de prélèvement d'eau (9) par la première ouverture (7).
  3. Système selon la revendication 2, la station de prélèvement d'eau (9) étant une station de pompage.
  4. Système selon au moins l'une quelconque des revendications précédentes, les couches barrières (5) étant aménagées sensiblement d'une manière horizontale dans le réservoir (2).
  5. Système selon au moins l'une quelconque des revendications précédentes, le passage (6) pour l'eau étant présent sous la forme d'une fente ou d'une ouverture.
  6. Système selon au moins l'une quelconque des revendications précédentes, le réservoir (2) étant en forme de baignoire ou en forme hémisphérique.
  7. Système selon au moins l'une quelconque des revendications précédentes, le maériau poreux (3) étant choisi parmi du ballast, du gravier et du sable ou des mélanges de ceux-ci.
  8. Système selon au moins l'une quelconque des revendications précédentes, le matériau poreux (3) ne différant pas au-dessus et en dessous de la couche barrière respective (5).
  9. Système selon au moins l'une quelconque des revendications 1 à 7, le matériau poreux (3) différant au-dessus et en dessous de la couche barrière respective (5).
  10. Système selon au moins l'une quelconque des revendications précédentes, les couches barrières (5) et / our le réservoir (2) comportant un géotextile.
  11. Système selon la revendication 10, le géotextile comportant:
    (i) une couche fabriquée d'un tissu ou d'un non-tissé, et
    (ii) un polyuréthane,
    le polyuréthane étanchant sensiblement des cavités et / ou des vides présents dans la couche.
  12. Système selon la revendication 11, le polyuréthane étant formé par polymérisation d'un système à deux composants, comportant:
    a) un composant de polyol comprenant un polyéther polyol, un polyester polyol, un homopolymère d'oxyde de propylène et du tamis moléculaire pulvérulent, et
    b) un composant d'isocyanate comprenant du diphénylméthane - 4, 4' - diisocyanate.
  13. Système selon l'une quelconque des revendications 11 ou 12, le polyuréthane remplissant les cavités et / ou des vides présents dans le tissu ou le non-tissé de façon étanche à l'eau.
EP07120361A 2007-11-09 2007-11-09 Système stockant et nettoyant de l'eau Active EP2058441B1 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
DK07120361.6T DK2058441T3 (da) 2007-11-09 2007-11-09 System til opbevaring og rensning af vand
ES07120361T ES2392993T3 (es) 2007-11-09 2007-11-09 Sistema de almacenamiento de agua y de depuración de agua
SI200731121T SI2058441T1 (sl) 2007-11-09 2007-11-09 Sistem za shranjevanje in äśiĺ äśenje vode
PL07120361T PL2058441T3 (pl) 2007-11-09 2007-11-09 System gromadzenia i oczyszczania wody
PT07120361T PT2058441E (pt) 2007-11-09 2007-11-09 Sistema de recolha e tratamento de águas
EP07120361A EP2058441B1 (fr) 2007-11-09 2007-11-09 Système stockant et nettoyant de l'eau
EP11183031A EP2402514A3 (fr) 2007-11-09 2007-11-09 Système stockant et nettoyant de l'eau
AU2008324373A AU2008324373B2 (en) 2007-11-09 2008-11-10 Water-storing and water-cleaning system
US12/740,342 US8449219B2 (en) 2007-11-09 2008-11-10 Water-storage and water-purification system
CN2008801153789A CN101855407B (zh) 2007-11-09 2008-11-10 蓄水和净水系统
BRPI0820182A BRPI0820182A2 (pt) 2007-11-09 2008-11-10 sistema de armazenamento de água e de purificação de água.
PCT/EP2008/009461 WO2009059794A1 (fr) 2007-11-09 2008-11-10 Système de stockage et d'épuration de l'eau
ZA2010/02503A ZA201002503B (en) 2007-11-09 2010-04-09 Water-storage and water-purification system
IL205519A IL205519A (en) 2007-11-09 2010-05-03 Water storage and water purification system
US12/979,238 US8256989B2 (en) 2007-11-09 2010-12-27 Water-storage and water-purification system
CY20121101147T CY1113638T1 (el) 2007-11-09 2012-11-27 Συστημα αποθηκευσης νερου και καθαρισμου νερου

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07120361A EP2058441B1 (fr) 2007-11-09 2007-11-09 Système stockant et nettoyant de l'eau

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP11183031A Division-Into EP2402514A3 (fr) 2007-11-09 2007-11-09 Système stockant et nettoyant de l'eau

Publications (2)

Publication Number Publication Date
EP2058441A1 EP2058441A1 (fr) 2009-05-13
EP2058441B1 true EP2058441B1 (fr) 2012-10-10

Family

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EP11183031A Withdrawn EP2402514A3 (fr) 2007-11-09 2007-11-09 Système stockant et nettoyant de l'eau
EP07120361A Active EP2058441B1 (fr) 2007-11-09 2007-11-09 Système stockant et nettoyant de l'eau

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP11183031A Withdrawn EP2402514A3 (fr) 2007-11-09 2007-11-09 Système stockant et nettoyant de l'eau

Country Status (14)

Country Link
US (1) US8449219B2 (fr)
EP (2) EP2402514A3 (fr)
CN (1) CN101855407B (fr)
AU (1) AU2008324373B2 (fr)
BR (1) BRPI0820182A2 (fr)
CY (1) CY1113638T1 (fr)
DK (1) DK2058441T3 (fr)
ES (1) ES2392993T3 (fr)
IL (1) IL205519A (fr)
PL (1) PL2058441T3 (fr)
PT (1) PT2058441E (fr)
SI (1) SI2058441T1 (fr)
WO (1) WO2009059794A1 (fr)
ZA (1) ZA201002503B (fr)

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PT2486988E (pt) 2011-02-11 2013-08-27 Luxin Green Planet Ag Sistema subterrâneo de gestão de água para minas e processo para o funcionamento deste sistema de gestão de água
EP2570201B1 (fr) 2011-09-14 2014-03-26 Luxin (Green Planet) AG Système et procédé de circulation d'eau en circuit fermé
CN102749894B (zh) * 2012-05-30 2014-11-05 煤科集团杭州环保研究院有限公司 煤矿井下用矿井水处理电气控制装置和矿井水处理系统
US11554969B2 (en) * 2013-08-09 2023-01-17 Aquablok Ltd. Reactive treatment cell and systems for environmental remediation
EP3293314A1 (fr) 2016-09-12 2018-03-14 MLW-intermed Handels- und Consultinggesellschaft für Erzeugnisse und Ausrüstungen des Gesundheits- und Bildungswesens mbH Procédé de fabrication d'un reservoir d'eau
CN106869082B (zh) * 2017-02-16 2022-08-12 张维国 水工程防渗排气方法
CN107905334B (zh) * 2017-12-26 2023-06-23 水利部交通运输部国家能源局南京水利科学研究院 城市道路渗雨水井补充地下水的监测装置及施工方法
CN112272984A (zh) * 2020-10-23 2021-01-29 南京朴厚生态科技有限公司 一种滨岸带微生态环境修复体系及其构建方法
JP7470985B2 (ja) 2020-12-03 2024-04-19 ライトウエイ株式会社 貯留槽の施工方法
CN112681476A (zh) * 2020-12-14 2021-04-20 野趣生境环境设计（成都）研究院（有限合伙） 一种利于提高生物多样性的雨水花园及其营造方法
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Also Published As

Publication number Publication date
AU2008324373A1 (en) 2009-05-14
CY1113638T1 (el) 2016-06-22
PT2058441E (pt) 2012-11-13
WO2009059794A1 (fr) 2009-05-14
IL205519A0 (en) 2010-12-30
ES2392993T3 (es) 2012-12-17
SI2058441T1 (sl) 2013-02-28
EP2402514A2 (fr) 2012-01-04
DK2058441T3 (da) 2012-12-17
AU2008324373B2 (en) 2012-04-12
EP2402514A3 (fr) 2012-03-14
US8449219B2 (en) 2013-05-28
CN101855407A (zh) 2010-10-06
BRPI0820182A2 (pt) 2019-09-24
IL205519A (en) 2014-04-30
EP2058441A1 (fr) 2009-05-13
PL2058441T3 (pl) 2013-03-29
ZA201002503B (en) 2011-06-29
CN101855407B (zh) 2013-03-27
US20110017648A1 (en) 2011-01-27

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