DE4414264A1 - Electrolytic and UV appts. for treatment of water, esp. waste water - Google Patents
Electrolytic and UV appts. for treatment of water, esp. waste waterInfo
- Publication number
- DE4414264A1 DE4414264A1 DE19944414264 DE4414264A DE4414264A1 DE 4414264 A1 DE4414264 A1 DE 4414264A1 DE 19944414264 DE19944414264 DE 19944414264 DE 4414264 A DE4414264 A DE 4414264A DE 4414264 A1 DE4414264 A1 DE 4414264A1
- Authority
- DE
- Germany
- Prior art keywords
- water
- tubular
- arrangement
- treatment
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 18
- 239000002351 wastewater Substances 0.000 title description 4
- 238000009279 wet oxidation reaction Methods 0.000 claims description 7
- 238000004065 wastewater treatment Methods 0.000 claims description 3
- 210000001061 forehead Anatomy 0.000 claims 1
- 238000004140 cleaning Methods 0.000 description 5
- 239000010802 sludge Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4602—Treatment of water, waste water, or sewage by electrochemical methods for prevention or elimination of deposits
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
-
- 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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46109—Electrodes
- C02F2001/46152—Electrodes characterised by the shape or form
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/003—Coaxial constructions, e.g. a cartridge located coaxially within another
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4611—Fluid flow
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur elektrochemischen Wasserbehandlung insbesondere zur Abwasserbehandlung, bei der in einem Gehäuse ein Wasserzulauf und ein Wasserablauf sowie eine Elektrodenanordnung, die mit den Polen einer Gleichstromquelle verbunden ist, angebracht sind.The invention relates to a device for electrochemical water treatment in particular for wastewater treatment when in a housing a water inlet and a water outlet as well as a Electrode arrangement with the poles one DC power source is connected are attached.
Es ist bekannt, daß Abwässer sowohl organische als auch anorganische Stoffe beinhalten, weshalb sie eine elektrische Leitfähigkeit aufweisen. Im Stand der Technik sind hierzu auch Vorrichtungen bekannt, die es gestatten, mittels elektrochemischer Behand lung eine Abwasserreinigung im Durchlaufverfahren zu betreiben. Als Elektroden werden hierbei im all gemeinen Metallplatten verwendet.It is known that waste water is both organic and also contain inorganic substances, which is why they have electrical conductivity. In the state Devices are also known in the art for this purpose, that allow by means of electrochemical treatment wastewater treatment in a continuous process to operate. As electrodes in this case common metal plates used.
In DE-OS 40 07 805 ist eine Anordnung beschrieben, bei der mittels Elektrolyse das Abwasser durch ein Paar elektrisch leitfähiger, konzentrischer Rohre fließt, zwischen denen eine elektrische Gleichspan nung aufrechterhalten wird. Die Rohre sind dabei vertikal angeordnet. Das verunreinigte Wasser wird in eines der Rohre eingeleitet und das gereinigte Wasser am Überlauf des anderen Rohres abgezogen. In DE-OS 40 07 805 an arrangement is described in which the wastewater by means of electrolysis Pair of electrically conductive, concentric tubes flows, between which an electrical direct voltage maintenance is maintained. The pipes are there arranged vertically. The contaminated water will introduced into one of the pipes and the cleaned Water drained from the overflow of the other pipe.
Diese Anordnung weist den Nachteil auf, daß sich im Bodenbereich Toträumen befindenden, in denen Schlammablagerungen auftreten. Dies erfordert in gewissen Abständen eine Reinigung der Anlage, wozu diese demontiert werden muß.This arrangement has the disadvantage that in Floor area dead spaces in which Sludge deposits occur. This requires in cleaning the system at certain intervals, for what this must be dismantled.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zur elektrochemischen Wasserbehandlung anzugeben, die sich durch eine kompakte Bauweise auszeichnet und die Schlammablagerungen während des Betriebes weitgehend vermeidet.The invention has for its object a Electrochemical water treatment device specify which is due to a compact design distinguished and the sludge deposits during the Operation largely avoided.
Erfindungsgemäß wird die Aufgabe dadurch gelöst, daß das Gehäuse rohrförmig ausgebildet ist, wobei in dem Gehäuse in Strömungsrichtung hintereinander zwei Scheiben radial angeordnet sind, an denen die Elektroden befestigt sind, und daß die Scheiben Durchbrüche aufweisen.According to the invention, the object is achieved by that the housing is tubular, wherein in the housing in the flow direction one behind the other two discs are arranged radially on which the Electrodes are attached and that the washers Have breakthroughs.
Zweckmäßigerweise ist das rohrförmige Gehäuse an den Stirnseiten mit je einer Abschlußscheibe verse hen, welche jeweils eine Öffnung für den Wasserzu lauf und den Wasserablauf enthalten.The tubular housing is expediently on the end faces with a lens each hen, which each have an opening for the water run and the water drain included.
Eine vorteilhafte Ausgestaltung der erfindungsge mäßen Anordnung sieht vor, daß die Elektrodenschei ben außerhalb des rohrförmigen Gehäuses mit den Po len der Gleichspannungsquelle verbunden sind. Besonders günstige Strömungsverhältnisse ergeben sich dadurch, daß die Elektroden in Form von kon zentrischen Rohren ausgebildet sind.An advantageous embodiment of the fiction moderate arrangement provides that the electrode plate ben outside the tubular housing with the bottom len the DC voltage source are connected. Particularly favorable flow conditions result characterized in that the electrodes in the form of con centric tubes are formed.
Weiterhin ist es vorteilhaft, in Strömungsrichtung gesehen hinter der Vorrichtung eine Anordnung zur UV-katalysierten Naßoxydation anzuordnen. It is also advantageous in the direction of flow seen behind the device an arrangement for Arrange UV-catalyzed wet oxidation.
Zweckmäßigerweise wird die Vorrichtung zur UV- katalysierten Naßoxydation ebenfalls rohrförmig ausgebildet.The device is expediently used for UV catalyzed wet oxidation also tubular educated.
Die erfindungsgemäße Anordnung weist gegenüber den im Stand der Technik bekannten Anordnungen eine Reihe von Vorteile auf.The arrangement according to the invention faces the arrangements known in the prior art Number of advantages.
Insbesondere ist vorteilhaft, daß durch die ko axiale Anordnung der Elektroden in Durchflußrich tung sich optimale Strömungsverhältnisse ergeben, wodurch Toträume vermieden werden und demzufolge keine Schlammablagerungen auftreten.In particular, it is advantageous that the ko axial arrangement of the electrodes in flow direction optimal flow conditions result, thereby avoiding dead spaces and consequently no sludge deposits occur.
Weiterhin zeichnet sich die erfindungsgemäße Vor richtung durch eine hohe spezifische Elektrodenflä che je Volumeneinheit auf. Die Anordnung gewährlei stet deshalb eine kompakte Bauweise und damit ein gute Integrationsmöglichkeit in vorhandene Reini gungsanlagen. Sie zeichnet sich durch eine leichte Reinigungsmöglichkeit aus. Die rohrförmige Anord nung gestattet weiterhin die günstige Kombination der elektrochemischen Oxydation mit der UV-kataly sierten Naßoxydation. Diese Kombination ist beson ders vorteilhaft, weil sie die Ausnutzung der bei der elektrochemischen Behandlung erzeugten Oxydati onsradikale in der UV-Naßoxydationsbehandlung er möglicht. Damit entfällt der Einsatz teuerer Oxyda tionsmittel, der sonst bei der UV-Behandlung erfor derlich ist.Furthermore, the invention is distinguished direction through a high specific electrode area per unit volume. Ensure the arrangement is therefore a compact design and therefore a easy integration into existing Reini systems. It is characterized by a light Possibility of cleaning out. The tubular arrangement The low-cost combination still permits electrochemical oxidation with UV catalyze based wet oxidation. This combination is special ders advantageous because it takes advantage of the the electrochemical treatment generated Oxydati radicals in UV wet oxidation treatment possible. This eliminates the use of expensive Oxyda agent that is otherwise required for UV treatment is such.
Die Erfindung wird nachstehend anhand eines Ausführungsbeispieles näher erläutert. In den zuge hörigen Zeichnungen zeigen: The invention is based on a Embodiment explained in more detail. In the supplied show the following drawings:
Fig. 1 einen Längsschnitt durch die erfindungsgemäße Anordnung zur elektrochemi schen Wasserbehandlung und Fig. 1 shows a longitudinal section through the arrangement according to the invention for electrochemical water treatment and
Fig. 2 einen Längsschnitt durch eine kombi nierte Einrichtung von elektrochemischer und UV-Wasserbehandlung. Fig. 2 shows a longitudinal section through a combined device of electrochemical and UV water treatment.
Die erfindungsgemäße Anordnung befindet sich in ei nem rohrförmigen Gehäuse 1, das aus nichtleitendem Material, beispielsweise aus Glas hergestellt ist. In den Elektrodenscheiben 2.1 und 2.2 sind die rohrförmigen Elektroden 8 und 9 befestigt. Die Elektrodenscheiben 2.1 und 2.2 weisen Bohrungen auf, die das Einströmen des zu reinigenden Wassers ermöglichen. Das rohrförmige Gehäuse 1 ist an den äußeren Stirnseiten mit Abschlußscheiben 3.1 und 3.2 versehen. Die Abschlußscheibe 3.1 weist eine Einlauföffnung 4 auf, durch die das zu reinigende Wasser einströmt und durch die Bohrungen der Scheibe 2.1 in den Raum zwischen die Elektroden ge langt. Nach dem Durchsatz strömt das behandelte Wasser durch die Öffnungen in der Scheibe 2.2 aus und verläßt den Grundkörper durch die in der Scheibe 3.2 angebrachte Auslauföffnung 5. Der Elektrodenanschluß erfolgt an den Spannungsan schlußstellen 6 und 7. Diese Anschlußstellen befin den sich außerhalb des Rohres und haben keinen Kon takt mit dem Abwasser. Dadurch werden Korrosions erscheinungen vermieden. The arrangement according to the invention is in egg nem tubular housing 1 , which is made of non-conductive material, such as glass. The tubular electrodes 8 and 9 are fastened in the electrode disks 2.1 and 2.2 . The electrode disks 2.1 and 2.2 have bores which allow the water to be cleaned to flow in. The tubular housing 1 is provided on the outer end faces with end plates 3.1 and 3.2 . The end plate 3.1 has an inlet opening 4 through which the water to be cleaned flows in and reaches through the holes in the disk 2.1 in the space between the electrodes. After the throughput, the treated water flows out through the openings in the disk 2.2 and leaves the base body through the outlet opening 5 made in the disk 3.2 . The electrodes are connected to the voltage connections 6 and 7 . These connection points are located outside the pipe and have no contact with the waste water. This prevents corrosion.
In Fig. 2 ist eine kombinierte Einrichtung darge stellt, bei der der elektrochemischen Reinigungsan ordnung eine UV-Reinigungsanordnung nachgeordnet ist. Dadurch kann der Reinigungsprozeß in zwei Stu fen erfolgen, wobei in der ersten Stufe eine hohe Effektivität und in der zweiten Stufe eine hohe Reinheit erreicht werden. Besonders vorteilhaft ist dabei, daß die für die sonst bei der UV-Naß oxydation erforderlichen Oxydationsmittel hier nicht erforderlich sind, da diese bei der elektrochemischen Behandlung erzeugt werden.In Fig. 2, a combined device is Darge, in which the electrochemical cleaning arrangement is arranged downstream of a UV cleaning arrangement. This enables the cleaning process to be carried out in two stages, with high effectiveness being achieved in the first stage and high purity in the second stage. It is particularly advantageous that the oxidizing agents that are otherwise required for the UV-wet oxidation are not necessary here, since they are generated during the electrochemical treatment.
BezugszeichenlisteReference list
1 Gehäuse
2 Elektrodenscheiben
3 Abschlußscheiben
4 Einlauföffnung
5 Auslauföffnung
6, 7 Spannungsanschlußstellen
8, 9 Elektroden. 1 housing
2 electrode discs
3 end plates
4 inlet opening
5 outlet opening
6 , 7 voltage connection points
8 , 9 electrodes.
Claims (6)
- - das Gehäuse rohrförmig ausgebildet ist,
- - in dem Gehäuse in Strömungsrichtung hintereinan der zwei Scheiben radial angeordnet sind, an denen die Elektroden befestigt sind und
- - daß die Scheiben Durchbrüche aufweisen.
- - The housing is tubular,
- - In the housing in the flow direction behind each other two discs are radially arranged, on which the electrodes are attached and
- - That the disks have openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19944414264 DE4414264C2 (en) | 1994-04-23 | 1994-04-23 | Electrochemical water treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19944414264 DE4414264C2 (en) | 1994-04-23 | 1994-04-23 | Electrochemical water treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE4414264A1 true DE4414264A1 (en) | 1995-10-26 |
| DE4414264C2 DE4414264C2 (en) | 1998-07-09 |
Family
ID=6516289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19944414264 Expired - Fee Related DE4414264C2 (en) | 1994-04-23 | 1994-04-23 | Electrochemical water treatment device |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE4414264C2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999001382A1 (en) * | 1997-07-01 | 1999-01-14 | Axonics Limited | Method and apparatus for decontamination of fluids |
| DE19958751A1 (en) * | 1999-12-07 | 2001-06-13 | Umex Gmbh | Water supply disinfected with a single reactor by simultaneous ultra-violet light and electro-chemical processes |
| FR2809420A1 (en) * | 2000-05-24 | 2001-11-30 | Electricite De France | PROCESS AND DEVICE FOR THE DEGRADATION OF ORGANIC COMPOUNDS IN AQUEOUS SOLUTION BY VUV PHOTOLYSIS OF WATER AND ELECTROCHEMICAL PRODUCTION OF DIOXYGEN |
| US20180282192A1 (en) * | 2015-04-15 | 2018-10-04 | Hydro Industries Limited | Method and apparatus for water treatment |
| GB2594828A (en) * | 2015-04-15 | 2021-11-10 | Hydro Industries Ltd | Method and apparatus for water treatment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE289814C (en) * | ||||
| US1020001A (en) * | 1911-08-09 | 1912-03-12 | Ada Henry Van Pelt | Electric water purifier and filter. |
| SU1298195A1 (en) * | 1985-04-02 | 1987-03-23 | Ленинградский инженерно-строительный институт | Electrocoagulator for water puirification |
| SU1546432A1 (en) * | 1986-04-02 | 1990-02-28 | Оренбургский политехнический институт | Electric flotator |
| DE4007805A1 (en) * | 1990-03-12 | 1991-09-19 | Herbert Baeumer | Waste water cleaning appts. for removing (in)organic salts - by passing waste water through electrically conducting concentric pipes then passing DC between them |
| US5217607A (en) * | 1992-02-21 | 1993-06-08 | Diamond Water Systems, Inc. | Water decontamination system with filter, electrostatic treatment and UV radiation chamber |
| WO1993015022A1 (en) * | 1992-01-30 | 1993-08-05 | Techno Excel Kabushiki Kaisha | Apparatus for generating electrolytic water |
-
1994
- 1994-04-23 DE DE19944414264 patent/DE4414264C2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE289814C (en) * | ||||
| US1020001A (en) * | 1911-08-09 | 1912-03-12 | Ada Henry Van Pelt | Electric water purifier and filter. |
| SU1298195A1 (en) * | 1985-04-02 | 1987-03-23 | Ленинградский инженерно-строительный институт | Electrocoagulator for water puirification |
| SU1546432A1 (en) * | 1986-04-02 | 1990-02-28 | Оренбургский политехнический институт | Electric flotator |
| DE4007805A1 (en) * | 1990-03-12 | 1991-09-19 | Herbert Baeumer | Waste water cleaning appts. for removing (in)organic salts - by passing waste water through electrically conducting concentric pipes then passing DC between them |
| WO1993015022A1 (en) * | 1992-01-30 | 1993-08-05 | Techno Excel Kabushiki Kaisha | Apparatus for generating electrolytic water |
| US5217607A (en) * | 1992-02-21 | 1993-06-08 | Diamond Water Systems, Inc. | Water decontamination system with filter, electrostatic treatment and UV radiation chamber |
Non-Patent Citations (8)
| Title |
|---|
| 2-251290 A.,C-791,Dec. 21,1990,Vol. 14,No. 578 * |
| 3-77698 A.,C-842,June 21,1991,Vol. 15,No. 243 * |
| 60-28883 A.,C-287,June 20,1985,Vol. 9,No. 145 * |
| 60-28884 A.,C-287,June 20,1985,Vol. 9,No. 145 * |
| JP Patents Abstracts of Japan: 2-36869 A.,C-711,April 19,1990,Vol. 14,No. 192 * |
| Ref. 93-208405/26 zu JP 05-131198-A * |
| Referat aus Chemical Patents Index, Derwent Publi-cations LTD, London: Ref. 22787 D/13 zu SU 747828 * |
| SU 1298195-A1 und Referat aus Chemical Patents Index, Derwent Publications LTD, London, Ref. Nr.87-297399/42 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1999001382A1 (en) * | 1997-07-01 | 1999-01-14 | Axonics Limited | Method and apparatus for decontamination of fluids |
| GB2342658A (en) * | 1997-07-01 | 2000-04-19 | Axonics Limited | Method and apparatus for decontamination of fluids |
| GB2342658B (en) * | 1997-07-01 | 2002-09-11 | Axonics Ltd | Method and apparatus for decontamination of fluids |
| DE19958751A1 (en) * | 1999-12-07 | 2001-06-13 | Umex Gmbh | Water supply disinfected with a single reactor by simultaneous ultra-violet light and electro-chemical processes |
| FR2809420A1 (en) * | 2000-05-24 | 2001-11-30 | Electricite De France | PROCESS AND DEVICE FOR THE DEGRADATION OF ORGANIC COMPOUNDS IN AQUEOUS SOLUTION BY VUV PHOTOLYSIS OF WATER AND ELECTROCHEMICAL PRODUCTION OF DIOXYGEN |
| EP1160203A1 (en) * | 2000-05-24 | 2001-12-05 | Electricite De France | Process for the degradation of organic compounds in aqueous solution by UV photolysis of water and electrochemical production of dioxygen |
| US20180282192A1 (en) * | 2015-04-15 | 2018-10-04 | Hydro Industries Limited | Method and apparatus for water treatment |
| GB2537603B (en) * | 2015-04-15 | 2021-08-18 | Hydro Industries Ltd | Method and apparatus for water treatment |
| GB2594828A (en) * | 2015-04-15 | 2021-11-10 | Hydro Industries Ltd | Method and apparatus for water treatment |
| GB2594828B (en) * | 2015-04-15 | 2022-04-27 | Hydro Industries Ltd | Method and apparatus for water treatment |
Also Published As
| Publication number | Publication date |
|---|---|
| DE4414264C2 (en) | 1998-07-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |