AT395414B - Apparatus for sterilizing drinking water - Google Patents
Apparatus for sterilizing drinking water Download PDFInfo
- Publication number
- AT395414B AT395414B AT0218090A AT218090A AT395414B AT 395414 B AT395414 B AT 395414B AT 0218090 A AT0218090 A AT 0218090A AT 218090 A AT218090 A AT 218090A AT 395414 B AT395414 B AT 395414B
- Authority
- AT
- Austria
- Prior art keywords
- reverse osmosis
- water
- drinking water
- lamps
- storage
- Prior art date
Links
- 230000001954 sterilising effect Effects 0.000 title claims abstract description 8
- 239000003651 drinking water Substances 0.000 title claims description 11
- 235000020188 drinking water Nutrition 0.000 title claims description 11
- 238000001223 reverse osmosis Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000004659 sterilization and disinfection Methods 0.000 claims description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000000249 desinfective effect Effects 0.000 claims description 2
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 2
- 229910052753 mercury Inorganic materials 0.000 claims description 2
- 230000005855 radiation Effects 0.000 abstract description 4
- 241000894006 Bacteria Species 0.000 abstract description 3
- 241000700605 Viruses Species 0.000 abstract description 2
- 244000000010 microbial pathogen Species 0.000 abstract description 2
- 230000000844 anti-bacterial effect Effects 0.000 abstract 1
- 238000009877 rendering Methods 0.000 abstract 1
- 229910002651 NO3 Inorganic materials 0.000 description 9
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 9
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000000502 dialysis Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
- B01D61/081—Apparatus therefor used at home, e.g. kitchen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/10—Accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
- C02F1/325—Irradiation devices or lamp constructions
Abstract
Description
AT 395 414 BAT 395 414 B
Die vorliegende Erfindung betrifft eine Vorrichtung zur Entkeimung von Trinkwasser, bestehend aus einem Umkehr-Osmose Gerät mit UV-C Entkeimungslampen.The present invention relates to a device for the disinfection of drinking water, consisting of a reverse osmosis device with UV-C disinfection lamps.
Die Nitratbelastung von Grundwässem in Gebieten mit intensiver landwirtschaftlicher Nutzung und die Herabsetzung des Nitrat-Grenzwertes auf 50 mg/1 durch die neue Trinkwasserverordnung in der Bundesrepublik 5 Deutschland ist in der Öffentlichkeitrege diskutiert worden und allgemein bekannt Dies hat dazu geführt daß heute für die Hausinstallation Geräte zur Nitratverminderung angeboten werden, die an die Hauswasserleitung angeschlossen werden können. Zur Nitratverringerung für den Bereich der Hausinstallation werden hauptsächlich Geräte angeboten, welche nach dem Prinzip der Umkehr-Osmose arbeiten.The nitrate pollution of groundwater in areas with intensive agricultural use and the lowering of the nitrate limit value to 50 mg / 1 by the new drinking water ordinance in the Federal Republic of Germany has been discussed in public and is generally known.This has led to devices being used today for house installations be offered for nitrate reduction, which can be connected to the domestic water supply. To reduce nitrate in the area of domestic installation, mainly devices are offered that work on the principle of reverse osmosis.
Mit dem Umkehr-Osmose Verfahren wird jedoch nicht nur das Nitrat entfernt, sondern auch alle anderen gelösten 10 und partikulären Bestandteile des Wassers. Das behandelte Wasser - Permeat -, das destilliertem Wasser gleicht, ist deshalb kein Trinkwasser und muß mit unbehandeltem Wasser verschnitten werden.The reverse osmosis process not only removes the nitrate, but also all other dissolved and particulate constituents of the water. The treated water - permeate -, which is like distilled water, is therefore not drinking water and must be blended with untreated water.
Nach der Nitratentfemung muß eine Mindestkonzentration von 60 mg/1 Calcium im behandelten Wasser enthalten sein. Die Einhaltung eines Höchstwertes von Nitrat und eines Mindestwertes für Calcium ist bei Wässern mit hohen Nitrat- und geringen Calciumgehalten nicht in jedem Falle möglich. 15 Bei Umkehr-Osmose Anlagen in Haushalten besteht ein erhebliches Risiko, daß das abgegebene Wasser bakteriologisch nicht mehr den Anforderungen der Trinkwasserverordnung entspricht. Die Ursachen für die Verkeimung können vielseitig sein, z. B. pathogene Keime in Speichertanks, Kunststoffleitungen, Membranen oder lange Standzeiten mit Erwärmung.After nitrate removal, there must be a minimum concentration of 60 mg / 1 calcium in the treated water. It is not always possible to maintain a maximum value of nitrate and a minimum value for calcium in waters with high nitrate and low calcium contents. 15 In reverse osmosis systems in households there is a considerable risk that the water released will no longer meet the requirements of the Drinking Water Ordinance. The causes of the contamination can be varied, e.g. B. pathogenic germs in storage tanks, plastic lines, membranes or long standing times with heating.
Bei Umkehr-Osmose Geräten, denen zur teilweisen Desinfektion des aufbereiteten Wassers ein gesilberter 20 Aktivkohlefilternachgeschaltet ist, kann nichtausgeschlossen werden, daßderGrenzwertderTrinkwasserverordnung für Silber überschritten wird. Andererseits kann wegen Gewöhung der Bakterien an Silber dessen desinfizierende Wirkung nachlassen.In the case of reverse osmosis devices, which are followed by a silver 20 activated carbon filter for the partial disinfection of the treated water, it cannot be ruled out that the limit value of the drinking water regulation for silver will be exceeded. On the other hand, because of the bacteria getting used to silver, its disinfectant effect can diminish.
Es ist bekannt, Umkehr-Osmose Geräten in der Haustechnik eine eigene Desinfektionsstufe nachzuschalten, welche getrennt von der eigentlichen Anlage installiert werden muß. Es ist weiters bekannt, großtechnisch»! 25 Umkehr-Osmose Anlagen, beispielsweise bei der Meerwasserentsalzung oder bei Dialysegeräten eine UV-Entkeimungsstufe zur Inaktivierung aller pathogener Mikroorganismen - Bakterien und Viren - nachzuschalten. DieseUV-Entkeimungsvoirichtungensindaufwendig und mitkompliziertenStromversorgungs- und Kontrollgeräten ausgestattet.It is known to connect reverse osmosis devices in domestic technology to their own disinfection stage, which must be installed separately from the actual system. It is also known on an industrial scale »! 25 Reverse osmosis systems, for example in the case of seawater desalination or dialysis machines, to add a UV disinfection stage to inactivate all pathogenic microorganisms - bacteria and viruses. These UV disinfection devices are complex and equipped with complicated power supply and control devices.
Hingegen gibt es auf dem Markt kein Umkehr-Osmose Gerät für die Hausinstallation, welches mit einer 30 eingebauten UV-Entkeimungsstufe ausgestattet wäre.On the other hand, there is no reverse osmosis device for domestic installation, which would be equipped with a built-in UV disinfection level.
Auf Grund der vorgenannten Risiken beim Einsatz von Umkehr-Osmose Geräten zur Nitratentfemung in der Haustechnik sollten derartige Geräte bei einem Einsatz in privaten Haushalten nur dann zum Einsatz kommen, wenn sie miteiner geeigneten Entkeimungsvorrichtung zur Desinfektion desTrinkwassers ausgestattet sind. Erst dann, und unter der Voraussetzung, daß dem Trinkwasser die durch das Umkehr-Osmose Verfahren entzogenen Mineralstoffe 35 wieder zugegeben werden, ist dieses Wasser als gesundes Trinkwasser anzusehen und schließt damit latente Gesundheitsschäden, insbesondere bei Kleinkindern, aus.Due to the aforementioned risks when using reverse osmosis devices for nitrate removal in domestic technology, such devices should only be used in private households if they are equipped with a suitable disinfection device for disinfecting the drinking water. Only then, and provided that the minerals 35 extracted by the reverse osmosis process are added to the drinking water again, is this water to be regarded as healthy drinking water and thus precludes latent health damage, in particular in small children.
Der vorliegenden Erfindung liegt die Überlegung zu Grunde, Umkehr-Osmose Geräte in der Haustechnik mit einer integrierten zusätzlichen UV-Entkeimungsstufe auszustatten, um das aus den Umkehr-Osmose Geräten kommende Wasser keimfrei zu machen und somit als ein einwandfreies gesundes Trinkwasser zu gewährleisten, 40 welches auch von Kleinkindern ohne Gesundheitsgefährdung getrunken werden kann.The present invention is based on the idea of equipping reverse osmosis devices in domestic technology with an integrated additional UV disinfection stage in order to make the water coming from the reverse osmosis devices germ-free and thus to ensure perfect, healthy drinking water, 40 which can also be drunk by young children without any health risk.
Erfindungsgemäß sind die UV-C (253.7 nm) Entkeimungslampen in dem Lager- oder Speicherbehält»' des Umkehr-Osmose Gerätes angeordnet. Weiters können die UV-Entkeimungslampen aus Quecksilber-Niederdruckbrennem bestehen, die in einseitig geschlossenen Quarzglasschutzrohren befestigt sind.According to the invention, the UV-C (253.7 nm) disinfection lamps are arranged in the storage or storage container of the reverse osmosis device. Furthermore, the UV sterilization lamps can consist of low-pressure mercury burners, which are fastened in quartz glass protective tubes that are closed on one side.
IndemLager-oderSpeicherbehälterdesUmkehr-OsmoseGeräteskönnenSchikanenangeordnetsein,damitdas 45 Wasser im Behälter vor der Entnahme entlang der gesamten Länge der UV-C Entkeimungslampen geführt wird.Baffles can be arranged in the storage or storage container of the reverse osmosis device so that the 45 water in the container is guided along the entire length of the UV-C sterilization lamps before it is removed.
Bevorzugt werden die UV-C Entkeimungslampen im Niederspannungsbereich von 12bzw. 24 Volt Gleichstrom betrieben.The UV-C sterilization lamps in the low voltage range of 12 or 24 volts DC operated.
Beispiel 1: 50 In den Vorrats- bzw. Lagerbehälter des Umkehr-Osmose Gerätes wird eine stabförmige UV-C (253.7 nm)Example 1: 50 A rod-shaped UV-C (253.7 nm) is placed in the storage or storage container of the reverse osmosis device
Eintauch-Strahlungsquelle mit einem Quarzglas-Schutzrohr so angeordnet, daß sie nahe an der Entnahmestelle für das behandelte Wasser liegt Man kann auch durch entsprechende Schikanen das behandelte Wasser in dem Vorrats-bzw. Speicherbehälter zwangsläufig um die ganze Länge der eingetauchten UV-C Strahlungsquelle führen, um die volle Intensität zu nützen. Eine UV-C Strahlungsquelle von beispielsweise 25 mm Durchmesser und220mm Länge 55 mit einem Stromverbrauch von 10 Watt ist in d» Lage 500 Liter Wasser pro Stunde zuverlässig zu entkeimen.Immersion radiation source with a quartz glass protective tube arranged so that it is close to the point of withdrawal for the treated water. The treated water can also be baffled by appropriate harassment. Storage containers must inevitably run the entire length of the immersed UV-C radiation source in order to use the full intensity. A UV-C radiation source of, for example, 25 mm in diameter and 220 mm in length 55 with a power consumption of 10 watts can reliably disinfect 500 liters of water per hour.
Die UV-C Entkeimungsvomchtung kann im Niederspannungsbereich von beispielsweise 12 Volt Gleichstrom betrieben werden, über aufladbare Batterien oder mit 220 Volt Wechselstrom über ein Steckemetzteil, um die Betriebssicherheit der Vorrichtung zu erhöhen. -2-The UV-C disinfection device can be operated in the low voltage range of, for example, 12 volts direct current, via rechargeable batteries or with 220 volts alternating current via a plug-in power supply in order to increase the operational reliability of the device. -2-
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0218090A AT395414B (en) | 1990-10-30 | 1990-10-30 | Apparatus for sterilizing drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT0218090A AT395414B (en) | 1990-10-30 | 1990-10-30 | Apparatus for sterilizing drinking water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA218090A ATA218090A (en) | 1992-05-15 |
| AT395414B true AT395414B (en) | 1992-12-28 |
Family
ID=3529429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT0218090A AT395414B (en) | 1990-10-30 | 1990-10-30 | Apparatus for sterilizing drinking water |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT395414B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3550782A (en) * | 1968-05-09 | 1970-12-29 | Louis P Veloz | Water sterilizer apparatus |
| US4773993A (en) * | 1984-08-31 | 1988-09-27 | Hitachi, Ltd. | Apparatus for purifying and dispensing water with stagnation preventing means |
| DE3710250A1 (en) * | 1987-03-28 | 1988-10-06 | Schumacher Sche Fab Verwalt | Apparatus for sterilising water by UV radiation |
| DE3739966A1 (en) * | 1987-11-25 | 1989-06-08 | Katadyn Produkte Ag | Appliance for disinfecting water by UV irradiation |
| DE3739979A1 (en) * | 1987-11-25 | 1989-06-08 | Katadyn Produkte Ag | Appliance for disinfecting water by UV irradiation |
-
1990
- 1990-10-30 AT AT0218090A patent/AT395414B/en not_active IP Right Cessation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3550782A (en) * | 1968-05-09 | 1970-12-29 | Louis P Veloz | Water sterilizer apparatus |
| US4773993A (en) * | 1984-08-31 | 1988-09-27 | Hitachi, Ltd. | Apparatus for purifying and dispensing water with stagnation preventing means |
| DE3710250A1 (en) * | 1987-03-28 | 1988-10-06 | Schumacher Sche Fab Verwalt | Apparatus for sterilising water by UV radiation |
| DE3739966A1 (en) * | 1987-11-25 | 1989-06-08 | Katadyn Produkte Ag | Appliance for disinfecting water by UV irradiation |
| DE3739979A1 (en) * | 1987-11-25 | 1989-06-08 | Katadyn Produkte Ag | Appliance for disinfecting water by UV irradiation |
Also Published As
| Publication number | Publication date |
|---|---|
| ATA218090A (en) | 1992-05-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ELJ | Ceased due to non-payment of the annual fee | ||
| UEP | Publication of translation of european patent specification |