WO2004069756A1 - Biologische reinigung von wasser - Google Patents
Biologische reinigung von wasser Download PDFInfo
- Publication number
- WO2004069756A1 WO2004069756A1 PCT/AT2004/000037 AT2004000037W WO2004069756A1 WO 2004069756 A1 WO2004069756 A1 WO 2004069756A1 AT 2004000037 W AT2004000037 W AT 2004000037W WO 2004069756 A1 WO2004069756 A1 WO 2004069756A1
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- WO
- WIPO (PCT)
- Prior art keywords
- water
- water treatment
- filter
- treatment plant
- cleaning device
- Prior art date
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Classifications
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- 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
- C02F3/10—Packings; Fillings; Grids
- C02F3/104—Granular carriers
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- 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
- C02F3/04—Aerobic processes using trickle filters
- C02F3/046—Soil filtration
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- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- 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
-
- 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
- C02F2103/42—Nature of the water, waste water, sewage or sludge to be treated from bathing facilities, e.g. swimming pools
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- 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
Definitions
- the invention relates to a ner driving for the treatment and / or keeping water clean, in particular from swimming pools, the water being mechanically pre-cleaned in a first step and a biological cleaning being carried out in a second step, with the water during and between the cleaning steps Gravity is transported and, if necessary, the purified water is returned to the swimming system and a water treatment system for treating and or keeping water clean, in particular from swimming systems, each with at least one mechanical and biological cleaning device, the water level in the individual cleaning devices being at a different level is held.
- Precipitation aids as calcium or iron salts
- chemical processes are also used that try to break down the wastewater constituents with strong oxidizing agents such as peroxides. Such processes are expensive and have only narrow application areas for certain industrial wastewater.
- the known methods for cleaning wastewater are not suitable for leading drinking water for consumption and reprocessing in a direct cycle without introducing the water as an intermediate step into a body of water or treating it through a floor passage.
- the known cleaning methods are not suitable for treating water that is used in a relatively small consumption unit that is not connected to a public water supply network.
- WO 02/06198 AI describes a method and a device for cleaning waste water.
- wastewater is treated with microbiological aerobics
- non-biodegradable foreign bodies or Particles are separated from the wastewater and there is a biological post-purification and finally non-biodegradable substances are removed from the treated wastewater by subsequent filtration.
- the further step comprises the passage of the waste water through a static sand filter and, as further options, can include a dynamic sand filter, a filter with activated carbon and an ultrafiltration.
- the device according to the invention comprises, in series, a microbiologically aerobic wastewater purification device, a device for separating non-biodegradable foreign bodies and removal of remaining degradable substances and a post-filtration device.
- WO 97/29056 AI describes an invention which relates to a method for treating wastewater from car washes in a mechanical and biological treatment stage, in which the wastewater is collected in a storage basin after passing through a scum collection and then passed through a suspended matter filter into a bioreactor , where, after biological clarification, it is collected in a pure water container for reuse, as well as a plant for carrying out this process in particular.
- WO 95/24362 AI describes a collection of wastewater from a laundry in a stacking container, with fluff and textile debris being largely separated off via filter screens.
- the volume of the tank is dimensioned so that a two-day wastewater quantity can be stored in the example.
- waste water is fed to a bioreactor operating under aerobic conditions. Air is introduced into the bioreactor at the lower end of the bioreactor, so that aerobic conditions form.
- the biologically treated water leaves the reactor and is fed to an activated carbon column as an adsorber.
- the now adsorptively purified water leaves the adsorber packed with activated carbon via a line and is in one
- Stacking containers are collected and, if necessary, fed back into the laundry via a line, with up to 20% fresh water being fed in if necessary.
- a disadvantage of this method or device for carrying out these methods known from the prior art is that technically complex bioreactors have to be used in some cases or oxygen has to be pumped into the system.
- the object of the invention is to provide a chemical-free process for the treatment and purification of waste water, which is ecological, effective, quick and inexpensive to carry out.
- Part of the object of the invention is also to purify wastewater to the extent that it meets the requirements of bathing water in terms of clarity and hygiene.
- the object of the invention is independent in each case by a method mentioned at the outset, in which the water is transported by gravity during and between the cleaning steps and, if appropriate, the purified water is returned to the swimming system or by a water treatment system mentioned at the outset which makes it possible that the water level in the individual cleaning devices can be kept at a different level.
- the advantage here is that only a very small amount of energy is required to transport the water to operate the system or the method, because the water can be transported from one cleaning device to the next by gravity. It has proven to be particularly advantageous that the energy costs can thus be kept very low and therefore very economical operation of the water treatment system is made possible.
- the at least one biological cleaning step takes place after the at least one mechanical cleaning step, as a result of which rough mechanical cleaning has already been carried out beforehand for biological cleaning and only very small particles have to be removed or decomposed in biological cleaning.
- the at least one mechanical cleaning step takes place in at least two stages, as a result of which the mechanical purification takes place at least in two stages and a rough preliminary cleaning can be carried out in a first cleaning stage and the water can be mechanically finely cleaned in the further cleaning stage.
- Cleaning stage Contaminations are removed by separating biomass floating on the surface of the swimming facility, after which surface contaminations of the water are eliminated in the first purification step and in the subsequent ones Process steps only need to be removed contaminants that are in the water.
- the filtration is carried out without backwashing, after which the backwash-free operation of the second mechanical cleaning stage shortens the process by one process step and the filter cake deposited on the filter surface is removed when permeability decreases, in which a filter would have to be backwashed and thereby an arrangement of an additional conveyor device for backwashing can also be saved.
- the at least one biological cleaning step can take place in at least two stages, after which the water can be cleaned particularly thoroughly and carefully by connecting two stages in series.
- the at least one biological cleaning step is carried out with aerobic microorganisms, after which an odor nuisance caused by the degradation process of anaerobic microorganisms can be avoided and, as a result, this method is also carried out in the vicinity of residential complexes or apartment buildings can be.
- the aerobic microorganisms at regular intervals, such as annually, to which at least one biological cleaning step is added, after which a constant colonization with aerobic bacteria can always be guaranteed and thus uniform conditions of the process can be maintained throughout the entire process over the entire season.
- metabolites can be used as nutrients. Substances for plants are made available, after which the costs for the additional fertilization of plants which have been planted in the swimming facility or in the vicinity of the swimming facility can be saved.
- the water can be fed through the distributor shaft evenly by means of star or ring-shaped distributor trenches to a lower trenage layer, which can prevent short-circuit currents and thus loss in performance of the filter.
- the purified water is freed from human pathogenic germs by antagonists through the second stage of the at least one biological purification step, after which there is an elimination of foreign germs which are harmful to health and therefore there is no risk to persons who use this purified water on the other hand, the removal of these hunian-pathogenic germs creates a favorable, biotic environment for the microorganisms which carry out the water purification.
- the organic cargo that arises from the breakdown of human pathogenic germs can be available to the underground soil filter as food for the bacterial colonization that is inoculated there.
- a water level of the second cleaning stage can be changed intermittently, after which an improved utilization of the inner filter surface is brought about and thereby the quality properties of the water are improved. Furthermore, it proves to be advantageous that this process step generates negative pressure and air is sucked into the soil filter and the filter breathes as a result, and optimal aerobic conditions for the bacterial colonization of the soil filter are established.
- This method enables water to be drawn from domestic swimming pools, e.g. swimming pools, swimming ponds, etc. and on the other hand also from public swimming pools, e.g. Ponds, lakes, etc., can be cleaned, making this process very versatile and no adaptation processes are necessary.
- domestic swimming pools e.g. swimming pools, swimming ponds, etc.
- public swimming pools e.g. Ponds, lakes, etc.
- the water which contains organic residues from humans, animals, their mixtures, etc., can be cleaned, after which pathogens which are present from the organic residues of the living beings can be removed and thus the water is no longer harmful to health.
- process-related water losses can be caused by
- Fresh water addition can be replaced, so that there is always a sufficient amount of liquid in the swimming pool and this always offers the same conditions.
- the cleaning devices are arranged at a different level, as a result of which only a small amount of energy is required for the further transport of the water and the water treatment system can thus be operated very inexpensively.
- the mechanical cleaning devices have a first and / or a second filter, as a result of which the water can be carefully pre-cleaned of particulate contaminants.
- the first mechanical cleaning device is designed as an overflow channel, which is arranged on the pool edge of the swimming facility, which enables pre-cleaning of biomass floating on the surface and in a further step only the material floating in the water has to be removed ,
- a water-side front edge of the overflow channel with respect to the water level of the swimming facility is arranged higher than the opposite overflow channel edge, after which it is achieved that floating biomass, e.g. Foliage and the like can be easily removed by sweeping. It also proves to be an advantage that contaminants floating on the surface cannot get back into the swimming facility.
- a filter shaft in which the filter is present, is arranged in at least one of the two mechanical cleaning devices, as a result of which contaminants in the water can be filtered out and retained on the filter surface.
- At least one of the two filters is designed as a fine filter, in particular in the form of a filter cylinder, which makes it possible for small crabs to remain in the filter cylinder and to be constantly supplied with oxygen-rich water and further not to do so Subject to feeding pressure from natural opponents.
- the filter can be held by a perforated plate, such as stainless steel perforated plate, after which water can pass through the fine filter.
- a perforated plate such as stainless steel perforated plate
- the filter in particular a filter cloth, consists of a polyropylene fleece, it being intended to ensure that there is a suitable permeability for the fine filtration of the water.
- the filter has a permeability selected from a range with an upper limit of 1001 / m / h, in particular of 901 / mh, preferably of 801 / mh and a lower limit of 301 / m / h, in particular of 501 / m / h, preferably of 601 / m / h, whereby the smallest particulate impurities in the water are removed.
- the biological cleaning device comprises a first and a second soil filter, according to which artificial groundwater is imitated on the one hand with the first soil filter and on the other hand an optimization of the degradation processes in the underground area is achieved with the second soil filter.
- distributor drainages in particular star or ring-shaped, are arranged within the biological cleaning device, after which short-circuit currents and thus loss of performance of the filter are prevented.
- a distributor shaft preferably centrally, is arranged in the bottom filter, so that the water to be cleaned flows through the bottom filter from bottom to top, thereby supplying oxygen-rich water to the denser bacterial colonization in the hair root area of the aquatic plants and thereby creating an aerobic, odorless outlet - building process is made possible.
- a delivery device for water in particular a pump, is arranged in the distributor shaft of the second biological cleaning device, as a result of which the water level in the underground filter can be changed intermittently and thereby an improved utilization of the inner filter surface is available.
- This process creates negative pressure and draws in air, which allows the filter to breathe.
- the bottom filter is refilled by gravity after the pump has run, which means that a corresponding amount of energy can be saved.
- the floor filter has several layers, in particular made of a porous carrier material, which is preferably particulate, according to which the floor filter is suitably ventilated and, on the other hand, different cleaning steps can be carried out by arranging several layers , such as the adsorption of phosphorus and nitrogen on ion exchangers.
- the porous carrier material consists of coal, clay, silica gel, quartz sand, foam, plastic flakes or zeolites, optionally in pelletized form, after which the use of different materials creates different cleaning conditions, such as the adhesion of Micro-organisms or nutrients.
- the diameter of the porous carrier material decreases from below in the direction of the water level upwards, as a result of which mechanical cleaning is also carried out indirectly in the bottom filter of the biological cleaning stage.
- the porous carrier material is populated with microorganisms, which causes a biodegradation process of the water's contaminants and no addition of chemicals is necessary to clean the water, which would subsequently pollute the environment.
- microorganisms from a group comprising cytophaga species, Sporocytophaga species, Pseudomonas species, Achromobacter species, Flavobacterium species are selected, whereby only aerobic
- Microorganisms are available to break down the contaminants in the water and therefore there is no odor nuisance.
- the bottom filter comprises an ion exchanger layer, as a result of which metabolites which are produced during the breakdown of chemical elements, such as phosphorus and nitrogen, can be adsorbed and thus removed from the system. It proves to be advantageous that the bottom filter of the first biological cleaning device of the plants is flooded, so that dissolved organic substances that flow through this bottom filter can be removed.
- aquatic plants in particular reduction plants, are arranged in the first biological cleaning device, as a result of which the environmental damage caused by humans can at least partially be remedied.
- reduction plants are selected from a group comprising the family of helophytes and / or hydrophytes, as a result of which the cleaning performance of the water treatment system is considerably improved by interaction between these plant families or the plant families with the microorganisms can be.
- the bottom filter of the second biological cleaning device is arranged underground, which enables nutrients to be removed from the system.
- the bottom filter of the second biological cleaning device is overgrown with plants, as a result of which degradation products from the biological cleaning stage are supplied to photosynthetic production and are therefore removed from the system by removing the plants, such as eg the lawn is cut.
- an expansion tank preferably by a conveyor, such as a pump is present, is arranged, whereby the cleaned water can be returned to the swimming facility and is therefore available for further use and no new resources need to be tapped.
- the first or second mechanical cleaning device with the first biological cleaning device via At least one line is connected to the flow, with an outlet of the line being arranged in the first biological cleaning device above the distributor shaft, after which the water supplied passes through the distributor shaft and via the distributor drainages and into the bottom filter and flows through it from bottom to top and is discharged again, thereby doing so passes through the individual layers of the soil filter.
- the lines open into the distributor shaft which is preferably arranged centrally, and as a result the water to be cleaned is distributed uniformly throughout the area of the floor filter and thus a continuity in the cleaning of the water can be guaranteed.
- the at least one biological cleaning device When viewed in the flow direction of the water, the at least one biological cleaning device is arranged after the at least one mechanical cleaning device, which means that particulate contaminations of the water can already be pre-cleaned in the mechanical cleaning device and in the biological cleaning device only fine cleaning for organic contaminations of the water must be done.
- Fig.l is a schematic representation of a water treatment plant.
- the method for treating and / or keeping water 1 in a water treatment system 2 is based on at least one mechanical and one biological cleaning step, in a preferred embodiment of the method, as shown schematically in FIG. 1, in a two-stage mechanical cleaning step and a two-stage biological, cleaning step takes place.
- the water 1 is transported by gravity between the individual cleaning stages of the cleaning steps, the mechanical cleaning step taking place before the biological cleaning step.
- the swimming facility 4 is equipped with a first mechanical cleaning device 5, e.g. an overflow channel 6 in the form of a leaf trap, the water-side front edge of which is set higher than the edge of the swimming pool system. This ensures that leaves and floating contaminants can be removed simply by sweeping away and that the floating biomass 4 cannot get back into the swimming facility 4 when the overflow channel 6 is overfilled.
- a first mechanical cleaning device 5 e.g. an overflow channel 6 in the form of a leaf trap, the water-side front edge of which is set higher than the edge of the swimming pool system.
- the water 1 is fed into the line 7 of the second mechanical cleaning device 8 by gravity.
- floating biomass 3 is separated.
- the water 1 to be cleaned flows via the line 7 into a filter shaft 9.
- This filter shaft 9 contains a filter 10, e.g. a fine filter in the form of a filter cylinder 11 and / or a filter cloth which is operated by gravity.
- the filter 10 can be made in two or more parts, wherein the outer jacket of the filter cylinder 11 from a screening device, such as. B. a perforated plate, in particular a stainless steel perforated plate, and the inner jacket of the filter cylinder 11 consists of a fine filter.
- a screening device such as. B. a perforated plate, in particular a stainless steel perforated plate
- the inner jacket of the filter cylinder 11 consists of a fine filter.
- the water 1 to be cleaned flows through the line 7 into the filter cylinder 11 and flows through the filter 10 by gravity, with floating impurities being retained on the filter surface.
- the permeability is from a range with an upper limit of 100 1 / m / h, in particular 90 1 / m / h, preferably 80 1 / m / h and a lower limit of 30 1 / m / h, in particular 50 1 / m / h, preferably 601 / m / h, selected (water passage Q in the plane at 0.02 bar according to EN 350 12958).
- Silicate filters 10 can also be used as alternative filter materials.
- Such filters 10 are backwashed in conventional filter systems in order to remove the filter cake and to achieve a longer service life and permeability of the filter 10, but on the condition that energy has to be used for the backwashing.
- the filter 10 described is not backwashed.
- the filter cake that is deposited on the filter surface is removed when the permeability decreases. This can be done at regular intervals, e.g. weekly or monthly, preferably only once a year or after the end of the bathing season. Either only the filter cake or the filter cake and the filter 10 can be removed.
- This arrangement prevents, for example, cleaning small crabs from being present in the further process stages.
- the small crabs remain in the filter kettle, where they are constantly supplied with oxygen-rich water 1 and are not subject to the feeding pressure of natural enemies.
- the biological cleaning step follows the mechanical cleaning step and, like this, can also be carried out in a preferred embodiment two stages.
- the first stage is a planted overflowed soil filter 14, which is composed of several layers.
- the mechanically pre-cleaned water 1 contains dissolved organic substances in this phase.
- the line 7 flows into a distributor shaft 15, which is preferably arranged centrally.
- the water 1 to be cleaned passes from the distributor shaft 15 via a distributor system 16, which is preferably designed as a drainage system, into the planted, over-dammed bottom filter 14 and flows through it.
- These distributor drains are preferably arranged in a star or ring shape, starting in the distributor shaft 15 are laid in the lowest layer.
- the water 1 to be cleaned is fed via the distributor shaft 15 to the lower layer, which does not contain any fine particles. This arrangement prevents short-circuit currents and thus a loss in performance of the bottom filter.
- the bottom filter is made of a porous carrier material. This is preferably graded by grain, with a decreasing grain size from bottom to top.
- the carrier material is formed from coal, clay, silica gel, quartz sand, foam plastic flakes or zeolites, optionally in pelletized form.
- the planted, stowed soil filter 14 is constructed as described below.
- the soil filter consists essentially of limestone in the form of washed round gravel. This is preferably located in the lower layers of the bottom filter. Lime sand follows in the layers on top, preferably with a round grain and a grain size that decreases from bottom to top.
- Zeolites in particular with a high proportion of montmorillonite, are built into the layer in which the drainages are arranged.
- the second biological cleaning device 13 18, preferably washed quartz sand (4 to 7 mm) lies over the lime sand layer.
- iron-containing clay which is set hydraulically with quartz sand in such a way that a suitable permeability value is achieved.
- the bottom filter 14, 19 can also be made, for example
- Lime sand, quartz sand, clay, foam material flakes and coal can be built up, the sequence of the individual layers taking place from bottom to top as mentioned.
- the sequence of the layers and the composition of the bottom filters 14, 19 can change in further alternative embodiments.
- the composition described has, on the one hand, sufficient ion exchange capacity for the ionic decomposition products and, on the other hand, counteracts larger pH fluctuations by the lime's buffering action.
- the carrier material with aerobic microorganisms is selected from a group comprising Cytophaga species, Sporocytophaga species, Pseudomonas species, Achromobacter species, Flavobacterium species, Micrococcus species, Mycobacterium species, Nocardia species, Vibrio cuneata, Serratia species, Bacillus species, Thiobacillus species, etc., populated.
- the water 1 to be cleaned flows through the bottom filter from bottom to top and feeds the denser, microbial colonization in the hair root area of the water plants 17 to oxygen-rich water 1 and thus ensures aerobic, odorless degradation processes.
- the water 1 to be cleaned passes from the water surface of the planted, flooded bottom filter 14 via an overflow into a further line 7, which establishes a connection to the second biological cleaning device 13.
- the water 1 to be cleaned is distributed in the floor filter via the distributor system 16, in particular distributor drains.
- a distributor shaft 15 in which a conveyor 18, such as. B. a pump is arranged, groundwater is artificially imitated.
- the actual fine cleaning, the water clarification and the elimination of harmful germs take place.
- These germs are controlled by better adapted placeholders, which are antagonists to the pathogenic germs.
- the submission of ideal conditions automatically creates favorable biotic conditions that are necessary for the effective control of germs that are pathogenic to humans.
- the remaining cargo of dissolved organic substance in the underground soil filter 19 serves as food for the microbial colonization present there. As already described in the first biological cleaning device 12, this consists of precultivated, aerobic, aquatic bacteria.
- the planted, congested and / or underground soil filter 14, 19 is inoculated with it at regular intervals, preferably once a year, for example at the beginning of the bathing season.
- the nutrients released by bacterial degradation, e.g. Phosphorus and nitrogen are ionic and are largely absorbed by natural ion exchangers 20 which the soil filter contains.
- the water level in the second biological cleaning device 13 is changed intermittently by means of a conveyor 18, such as a pump. This process creates negative pressure and air is sucked in and the floor filter can breathe. The bottom filter is refilled by gravity.
- the underground floor filter can be covered with a suitable non-woven mat made of polypropylene (1,000 g / m2).
- This fleece mat can be planted.
- ready-made lawn can be rolled up onto this fleece mat, which roots within a few days through the mat in the underlying washed quartz sand layer (4 to 7 mm) as a hydroponic culture.
- Degradation products from the second biological purification stage are fed to photosynthetic utilization and can thus be removed from the system by plants 21, e.g. Lawn to be removed.
- purified water 1 Up to 100% of the purified water 1 can be recovered as purified water 1 for renewed feeding into the cleaning process.
- the expansion tank 22 provided in the swimming facility 4 according to FIG. 1 contains a conveying device 18, e.g. a circulating pump for the large circulation system and conveys the cleaned water 1 back to the swimming facility 4 in order to maintain a constant water level which is above the water level of the cleaning devices. Process-related water losses are compensated for by fresh water supply.
- a conveying device 18 e.g. a circulating pump for the large circulation system and conveys the cleaned water 1 back to the swimming facility 4 in order to maintain a constant water level which is above the water level of the cleaning devices. Process-related water losses are compensated for by fresh water supply.
- the water level of the second mechanical cleaning device 8 is, for example, 50 cm, preferably 40 cm, in particular 30 cm lower than the water level of the swimming facility 4.
- the water level of the distributor shaft 15 is arranged, for example, 60 cm, preferably 50 cm, in particular 40 cm, below the swimming facility 4.
- the level of the first biological cleaning device 12 is at somewhat the same level as the water level of the second mechanical cleaning device 8. The water level of the first biological cleaning device 12 is thus lower than the water level of the distributor shaft 15.
- the planted surface of the second biological cleaning device 13 is 50 cm, preferably 40 cm, in particular 30 cm, below the level of the water level in the swimming pool 4.
- the water level in the second biological cleaning device 13 is preferably 60 cm, in particular 50 cm, below the water level of the swimming pool 4.
- the water level in the second biological cleaning device 13 can also be, for example, 70 cm or 80 cm below the water level of the swimming facility 4.
- the water level selected from an area with a lower limit of 40 cm, preferably 50 cm, in particular 60 cm and an upper limit of 90 cm, preferably 100 cm, in particular 110 cm, below the water level of the swimming facility 4 , the water from the expansion tank can in turn be transported back to the swimming facility 4 by a conveyor 18.
- a very low energy requirement is required for the described embodiment of the invention.
- two pumps with a total output of 0 5 7 KW are sufficient.
- the running time of the alternating pumps is 6 hours a day.
- the system runs on gravity (mirroring). This economical operation is achieved by arranging the cleaning devices 5, 8, 12, 13 at different levels, for example by a water level difference of 20 cm.
- Water water treatment system biomass swimming system 1. mechanical cleaning device overflow channel line 2. mechanical cleaning device filter shaft filter filter cylinder 1. biological cleaning device 2. biological cleaning device planted soil filter distributor shaft distribution system water plants conveyor device underground soil filter ion exchanger
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- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04708281A EP1590301A1 (de) | 2003-02-06 | 2004-02-05 | Biologische reinigung von wasser |
US10/544,580 US7332082B2 (en) | 2003-02-06 | 2004-02-05 | System and method for biological purification of water |
CA 2515113 CA2515113C (en) | 2003-02-06 | 2004-02-05 | Biological purification of water |
AU2004208855A AU2004208855B2 (en) | 2003-02-06 | 2004-02-05 | Biological purification of water |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0019003A AT412275B (de) | 2003-02-06 | 2003-02-06 | Biologische reinigung von wasser |
ATA190/2003 | 2003-02-06 |
Publications (1)
Publication Number | Publication Date |
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WO2004069756A1 true WO2004069756A1 (de) | 2004-08-19 |
Family
ID=32234873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2004/000037 WO2004069756A1 (de) | 2003-02-06 | 2004-02-05 | Biologische reinigung von wasser |
Country Status (6)
Country | Link |
---|---|
US (1) | US7332082B2 (de) |
EP (1) | EP1590301A1 (de) |
AT (1) | AT412275B (de) |
AU (1) | AU2004208855B2 (de) |
CA (1) | CA2515113C (de) |
WO (1) | WO2004069756A1 (de) |
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AT506058B1 (de) * | 2008-04-11 | 2009-05-15 | Biotop Landschaftsgestaltung G | Verfahren und vorrichtung zur biologischen aufbereitung von wasser in schwimmbecken |
CN105254127A (zh) * | 2015-11-02 | 2016-01-20 | 重庆大学 | 自清式微曝气复合人工湿地污水处理***及处理方法 |
WO2023020645A1 (de) * | 2021-08-16 | 2023-02-23 | 2POS Service GmbH | Wassersportanlage mit mindestens einer wasserumwälzanordnung und einer agglomerations-reinigungsstufe |
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- 2004-02-05 AU AU2004208855A patent/AU2004208855B2/en not_active Ceased
- 2004-02-05 US US10/544,580 patent/US7332082B2/en not_active Expired - Fee Related
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CN100371269C (zh) * | 2006-06-30 | 2008-02-27 | 南京大学 | 一种利用人工湿地处理生活污水的方法及其装置 |
AT506058B1 (de) * | 2008-04-11 | 2009-05-15 | Biotop Landschaftsgestaltung G | Verfahren und vorrichtung zur biologischen aufbereitung von wasser in schwimmbecken |
CN105254127A (zh) * | 2015-11-02 | 2016-01-20 | 重庆大学 | 自清式微曝气复合人工湿地污水处理***及处理方法 |
CN105254127B (zh) * | 2015-11-02 | 2018-02-13 | 重庆大学 | 自清式微曝气复合人工湿地污水处理*** |
WO2023020645A1 (de) * | 2021-08-16 | 2023-02-23 | 2POS Service GmbH | Wassersportanlage mit mindestens einer wasserumwälzanordnung und einer agglomerations-reinigungsstufe |
Also Published As
Publication number | Publication date |
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CA2515113A1 (en) | 2004-08-19 |
CA2515113C (en) | 2013-01-08 |
EP1590301A1 (de) | 2005-11-02 |
AU2004208855A1 (en) | 2004-08-19 |
ATA1902003A (de) | 2004-05-15 |
AU2004208855B2 (en) | 2009-03-12 |
AT412275B (de) | 2004-12-27 |
US20060113245A1 (en) | 2006-06-01 |
US7332082B2 (en) | 2008-02-19 |
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