DE202005008695U1 - Assembly to generate a disinfectant from brine has electrolysis unit drawing highly pure low-concentration brine - Google Patents

Assembly to generate a disinfectant from brine has electrolysis unit drawing highly pure low-concentration brine Download PDF

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Publication number
DE202005008695U1
DE202005008695U1 DE200520008695 DE202005008695U DE202005008695U1 DE 202005008695 U1 DE202005008695 U1 DE 202005008695U1 DE 200520008695 DE200520008695 DE 200520008695 DE 202005008695 U DE202005008695 U DE 202005008695U DE 202005008695 U1 DE202005008695 U1 DE 202005008695U1
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disinfectant
electrolysis module
water
brine
plant
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German (de)
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MAV BIOPHYSIKALISCHE VERFAHREN
MAV BIOPHYSIKALISCHE VERFAHRENSTECHNIK GmbH
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MAV BIOPHYSIKALISCHE VERFAHREN
MAV BIOPHYSIKALISCHE VERFAHRENSTECHNIK GmbH
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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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • 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
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • 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
    • C02F1/4618—Devices therefor; Their operating or servicing for producing "ionised" acidic or basic water
    • 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
    • C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • C02F1/4674—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation with halogen or compound of halogens, e.g. chlorine, bromine
    • 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
    • C02F2201/46115—Electrolytic cell with membranes or diaphragms
    • 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
    • C02F2201/4612—Controlling or monitoring
    • C02F2201/46125—Electrical variables
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/005—Processes using a programmable logic controller [PLC]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/04—Oxidation reduction potential [ORP]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/05—Conductivity or salinity
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH

Abstract

An assembly produces a disinfectant agent to purify water and/or aqueous solutions. The assembly has a brine tank (4), an electrolysis module (EM) to generate split water that is effective as a disinfectant. The brine tank (4) and electrolysis module (EM) are linked to the demineralised water treatment assembly by a pipe (3). The demineralised water treatment assembly has an ion exchanger, or a distillation assembly, or a reverse osmosis unit. The brine tank has a low concentration (less than 0.9%) of ultra-pure sodium chloride that is fed to the electrolysis module for generation of the disinfectant. Operation of the electrolysis module is determined by a measuring device (7) that determines the conductivity, pH and/or redox potential of the disinfectant, together with the central control unit (ZM).

Description

Die Erfindung betrifft eine Anlage zur Erzeugung eines Desinfektionsmittels mit einem Elektrolysemodul gemäß Oberbegriff des Anspruchs 1.The The invention relates to a plant for producing a disinfectant with an electrolysis module according to the preamble of claim 1.

Es sind unterschiedliche Wasserdekontaminationssysteme bekannt, die mit Elektrolyseverfahren und/oder der Zugabe von chemischen Mitteln arbeiten.It Different water decontamination systems are known which with electrolysis processes and / or the addition of chemical agents work.

Für die Anwendung in Trinkwassersystemen und im Lebensmittelbereich sind Dekontaminierungsgeräte bekannt, die als interaktive membrangesteuerte elektrochemische Geräte bezeichnet werden können. Diese Geräte arbeiten nachdem Prinzip der Elektrolyse. Dabei wird Wasser durch einen engen Spalt geleitet, gebildet von zwei Elektroden, nämlich der Anode und der Kathode. Zwischen beiden Elektroden ist eine interaktive Membran gelagert, die ein kathodisches und ein anodisches Kompartiment trennt. Mit dieser Methode entstehen metastabile und stabile Spaltprodukte, die an der Anode entstehen und zur Entkeimung hochwirksam sind.For the application In drinking water systems and in the food industry, decontamination equipment is known. referred to as interactive membrane-controlled electrochemical devices can be. These devices work according to the principle of electrolysis. This is water through a narrow gap, formed by two electrodes, namely the Anode and the cathode. Between both electrodes is an interactive Membrane stored, which is a cathodic and anodic compartment separates. This method produces metastable and stable fission products, which arise at the anode and are highly effective for sterilization.

Der Erfindung liegt die Aufgabe zugrunde, eine Anlage zur Entkeimung von Wasser zu schaffen, die mittels Elektrolyse arbeitet und mit einem möglichst guten Wirkungsgrad hochwirksames Desinfektionsmittel erzeugt, welches in Trinkwassersystemen, zur Sterilisierung von medizinischen Geräten, in der Lebensmittelindustrie und zur Desinfektion von Oberflächen geeignet ist.Of the Invention is based on the object, a plant for sterilization to create water that works by means of electrolysis and with one possible good efficiency highly effective disinfectant produced, which in drinking water systems, for the sterilization of medical devices, in the food industry and for the disinfection of surfaces is.

Die Lösung dieser Aufgabe erhält man durch die im Anspruch 1 angegebenen Merkmale. Der in der Anlage verwendete Elektrolysemodul wird von einem Solebehälter mit gering dosierter Kochsalzlösung versorgt, wobei das zur Erzeugung der Kochsalzlösung verwendete Wasser in einer Wasseraufbereitungsanlage entmineralisiert wird. Durch die Verwendung von entmineralisiertem Wasser kann der Elektrolyseprozess optimal ablaufen und es entstehen insbesondere deutlich geringere unerwünschte Ablagerungen an den Elektroden im Elektrolysemodul.The solution receives this task one by the features specified in claim 1. The one in the plant used electrolysis module is powered by a brine tank low-dose saline supplied with the used to generate the saline water in a Water treatment plant is demineralized. By use of demineralized water, the electrolysis process can optimally run off and in particular significantly lower undesirable deposits at the electrodes in the electrolysis module.

Die Wasseraufbereitungsanlage kann einen Ionentauscher, Destillationseinrichtungen oder ein Gerät zur Durchführung einer Umkehrosmose enthalten.The Water treatment plant can use an ion exchanger, distillation equipment or a device to carry out a reverse osmosis included.

Die erfindungsgemäße Anlage besitzt vorzugsweise einen Solebehälter, in welchem eine hochreine, gering dosierte Kochsalzlösung mit weniger als 0,9% Kochsalzanteil bereitgehalten wird. Diese hochreine Kochsalzlösung ist in idealer Weise geeignet, um im Elektrolysemodul gespaltenes Wasser zu erzeugen, welches als Desinfektionsmittel verwendbar ist.The inventive plant preferably has a brine tank in which a high-purity, low-dose saline containing less than 0.9% saline. This high purity Saline is ideally suited to split in the electrolysis module To produce water, which is usable as a disinfectant.

Zur Steuerung der Elektrolyse wird vorzugsweise mittels einer Messeinheit die Leitfähigkeit und/oder der PH-Wert und/oder das Redox-Potenzial des Desinfektionsmittels gemessen. Auf diese Weise können insbesondere die Durchflussmenge und die Spannung im Elektrolysemodul in Abhängigkeit der gemessenen Parameter so gesteuert werden, dass ein hochwirksames Desinfektionsmittel mit gleichbleibenden Eigenschaften erzeugt werden kann.to Control of the electrolysis is preferably by means of a measuring unit the conductivity and / or the pH and / or the redox potential of the disinfectant measured. That way you can in particular the flow rate and the voltage in the electrolysis module dependent on the measured parameters are controlled so that a highly effective Disinfectants are produced with consistent properties can.

Bei der bevorzugten Ausführungsform ist die Wasseraufbereitungsanlage als Doppeleinheit ausgebildet, so dass im Wechsel eine Einheit die Wasseraufbereitung durchführt, während die andere Einheit regeneriert. Dadurch ist ohne Regenerationspausen eine kontinuierliche Wasseraufbereitung möglich, um dem Solebehälter ständig die erforderliche Menge an hochreinem, entmineralisiertem Wasser zuführen zu können.at the preferred embodiment the water treatment plant is designed as a double unit, so that alternately a unit performs the water treatment, while the regenerates another unit. This is without regeneration breaks Continuous water treatment is possible to keep the brine tank constantly open supply required amount of high purity, demineralized water can.

Die Erfindung wird nachfolgend anhand eines in der mit 1 bezeichneten Zeichnung näher erläutert.The invention is described below with reference to in the 1 designated drawing explained in more detail.

1 zeigt den grundsätzlichen Aufbau der erfindungsgemäßen Anlage anhand eines Blockdiagramms. 1 shows the basic structure of the system according to the invention with reference to a block diagram.

Die in 1 dargestellte Anlage ist an eine Trinkwasserleitung 1 angeschlossen, wobei die Fließrichtung in der Trinkwasserleitung 1 durch Pfeile markiert ist.In the 1 shown plant is connected to a drinking water pipe 1 connected, with the flow direction in the drinking water pipe 1 marked by arrows.

Über eine Zufuhrleitung 2 entnimmt eine Wasseraufbereitungsanlage WAA Wasser der Trinkwasserleitung 1 und bereitet entmineralisiertes Wasser, welches über eine Leitung 3 einem Solebehälter 4 zugeführt wird. Mittels einer steuerbaren Pumpe 5 gelangt aus dem Solebehälter 4 eine gering dosierte Kochsalzlösung zu einem Elektrolysemodul EM, in welchem eine Spaltung erfolgt, so dass am Ausgang des Elektrolysemoduls EM das erzeugte Desinfektionsmittel über eine Leitung 6 zum Solebehälter 4 zurückgeführt wird. Die Eigenschaften des Desinfektionsmittels werden mittels einer Messeinheit 7 gemessen und an eine Zentralsteuerung ZS gemeldet. In Abhängigkeit von den erhaltenen Messwerten steuert die Zentralsteuerung ZS den Elektrolyseprozess im Elektrolysemodul EM. Insbesondere kann die Zentralsteuerung ZS die an den Elektroden im Elektrolysemodul EM anliegende Spannung verändern und auch die Durchflussmenge durch eine entsprechende Steuerung der Pumpe 5 verändern.Via a supply line 2 A WAA water treatment plant draws water from the drinking water pipeline 1 and prepares demineralised water, which is via a pipe 3 a brine tank 4 is supplied. By means of a controllable pump 5 gets out of the brine tank 4 a low-dose saline solution to an electrolysis module EM, in which a cleavage takes place, so that at the output of the electrolysis module EM, the disinfectant produced via a line 6 to the brine tank 4 is returned. The properties of the disinfectant are determined by means of a measuring unit 7 measured and reported to a central control ZS. Depending on the measured values obtained, the central controller ZS controls the electrolysis process in the electrolysis module EM. In particular, the central controller ZS can change the voltage applied to the electrodes in the electrolysis module EM and also the flow rate through a corresponding control of the pump 5 change.

Aus dem Solebehälter 4 wird nur zur Desinfektion des Trinkwassersystems über eine Dosierpumpe 8 die erforderliche Menge von Desinfektionsmittel in die Trinkwasserleitung 1 eingespeist. Dieser Vorgang kann ebenfalls von der Zentralsteuerung ZS gesteuert werden, wenn der Zentralsteuerung ZS die Durchflussmenge in der Trinkwasserleitung 1 von einem hier nicht dargestellten Durchflussmessgerät mitgeteilt wird. Ansonsten kann auch die Dosierpumpe 8 Teil einer Dosiereinheit sein, die gleichzeitig die Durchflussmenge in der Trinkwasserleitung 1 misst und selbsttätig eine Dosierung des injizierten Desinfektionsmittels vornimmt.From the brine tank 4 is only for the disinfection of the drinking water system via a metering pump 8th the required amount of disinfectant in the drinking water pipe 1 fed. This process can also be controlled by the central control ZS, if the central control ZS the Flow rate in the drinking water line 1 is communicated by a flow meter, not shown here. Otherwise, the metering pump 8th Part of a dosing unit that simultaneously controls the flow rate in the drinking water line 1 measures and automatically doses the injected disinfectant.

Claims (9)

Anlage zur Erzeugung eines Desinfektionsmittels und zur Entkeimung von Wasser und/oder wässrigen Lösungen, die einen Solebehälter (4) mit einer Kochsalzlösung hat, der mit einem Elektrolysemodul (EM) zur Erzeugung gespaltenen Wassers, welches als Desinfektionsmittel wirksam ist, verbunden ist, dadurch gekennzeichnet, dass der Solebehälter (4) und das Elektrolysemodul (EM) über eine Leitung (3) von einer Wasseraufbereitungsanlage (WAA) entmineralisiertes Wasser erhält.Plant for producing a disinfectant and for disinfecting water and / or aqueous solutions containing a brine tank ( 4 ) with a saline solution which is connected to an electrolysis module (EM) for producing split water, which is effective as a disinfectant, characterized in that the brine tank ( 4 ) and the electrolysis module (EM) via a line ( 3 ) receives demineralised water from a water treatment plant (WAA). Anlage nach Anspruch 1, dadurch gekennzeichnet, dass die Wasseraufbereitungsanlage (WAA) einen Ionentauscher, oder eine Destillationseinrichtung oder ein Gerät zur Durchführung einer Umkehrosmose enthält.Plant according to claim 1, characterized in that the water treatment plant (WAA) an ion exchanger, or a Distillation device or a device for carrying out a Contains reverse osmosis. Anlage nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass im Solebehälter (4) eine hochreine, geringdosierte Kochsalzlösung bereitgehalten wird, die dem Elektrolysemodul (EM) zur Erzeugung des Desinfektionsmittels zugeführt wird.Installation according to one of claims 1 or 2, characterized in that in the brine tank ( 4 ) a high-purity, low-dose saline solution is provided, which is supplied to the electrolysis module (EM) for the production of the disinfectant. Anlage nach Anspruch 3, dadurch gekennzeichnet, dass die Kochsalzlösung eine Kochsalzkonzentration von weniger als 0,9% hat.Plant according to claim 3, characterized in that the saline solution has a saline concentration of less than 0.9%. Anlage nach einem der Ansprüche 3 oder 4, dadurch gekennzeichnet, dass die Eigenschaften des am Ausgang des Elektrolysemoduls (EM) abgegebenen Desinfektionsmittels mittels einer Messeinheit (7) bestimmt werden, und dass die Messeinheit (7) in Abhängigkeit von den ermittelten Messwerten die Zufuhr der Kochsalzlösung zum Elektrolysemodul (EM) beeinflusst.Installation according to one of claims 3 or 4, characterized in that the properties of the output at the output of the electrolysis module (EM) disinfectant means of a measuring unit ( 7 ) and that the measuring unit ( 7 ) influences the supply of saline solution to the electrolysis module (EM) depending on the measured values. Anlage nach Anspruch 5, dadurch gekennzeichnet, dass die Messeinheit (7) die Leitfähigkeit und/oder den PH-Wert und/oder das Redox-Potential des Desinfektionsmittels misst.Plant according to claim 5, characterized in that the measuring unit ( 7 ) measures the conductivity and / or the pH and / or the redox potential of the disinfectant. Anlage nach einem der vorhergehenden Ansprüche , dadurch gekennzeichnet, dass eine Zentralsteuerung (ZS) die Spannung und die Durchflussgeschwindigkeit im Elektrolysemodul (EM) steuert.Plant according to one of the preceding claims, characterized characterized in that a central control (ZS) the voltage and the flow rate in the electrolysis module (EM) controls. Anlage nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass eine Dosierpumpe (8) in ein angeschlossenes, zu dekontaminierendes Wasserleitungssystem die erforderliche Menge Desinfektionsmittel aus einem als Vorratsbehälter dienenden Solebehälter (4) einspeist.Installation according to one of the preceding claims, characterized in that a metering pump ( 8th ) in a connected, to be decontaminated water supply system, the required amount of disinfectant from serving as a reservoir brine container ( 4 ) feeds. Anlage nach einem der vorhergehenden Ansprüche , dadurch gekennzeichnet, dass die Wasseraufbereitungsanlage (WAA) als Doppeleinheit ausgebildet ist, so dass im Wechsel eine Einheit die Wasseraufbereitung durchführt, während sich die andere Einheit regeneriert.Plant according to one of the preceding claims, characterized characterized in that the water treatment plant (WAA) as a double unit is formed, so that in alternation a unit the water treatment performs, while the other unit regenerates.
DE200520008695 2005-06-03 2005-06-03 Assembly to generate a disinfectant from brine has electrolysis unit drawing highly pure low-concentration brine Expired - Lifetime DE202005008695U1 (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007065228A1 (en) * 2005-12-09 2007-06-14 Kenneth Roland Varcoe Continuous hypochlorite generator
DE102006007931A1 (en) * 2006-02-17 2007-08-30 Actides Gmbh Preparing a disinfectant, useful e.g. to disinfect water such as rain water, comprises adding an electrolytic solution to water, and subjecting the diluted water/electrolytic solution to an electric current
DE102006043267A1 (en) * 2006-09-11 2008-03-27 Actides Gmbh Preparing a disinfectant, useful e.g. to disinfect water such as rain water, comprises adding an electrolytic solution to water, and subjecting the diluted water/electrolytic solution to an electric current
DE102007022994A1 (en) * 2007-05-15 2008-11-20 Actides Gmbh Disinfectants based on electrochemically activated water / electrolyte solutions, process for their preparation and use thereof
DE102007024272A1 (en) * 2007-05-23 2008-11-27 Actides Gmbh Method of treating water of tears for animals
EP2289839A1 (en) 2009-08-28 2011-03-02 Krones AG Device and method for preparing a sterile liquid for a filling plant
DE102011076222A1 (en) 2011-05-20 2012-11-22 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Method for monitoring cleaning and/or disinfection of e.g. pipeline of process system used for beverage production, involves passing measuring radiation used for absorption measurement through measuring path that partially runs within part
DE102013011752A1 (en) * 2013-07-13 2015-01-15 Manfred Völker Chlorine measurement / filter testing / brine tank monitoring of a water treatment plant

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007065228A1 (en) * 2005-12-09 2007-06-14 Kenneth Roland Varcoe Continuous hypochlorite generator
DE102006007931A1 (en) * 2006-02-17 2007-08-30 Actides Gmbh Preparing a disinfectant, useful e.g. to disinfect water such as rain water, comprises adding an electrolytic solution to water, and subjecting the diluted water/electrolytic solution to an electric current
DE102006043267A1 (en) * 2006-09-11 2008-03-27 Actides Gmbh Preparing a disinfectant, useful e.g. to disinfect water such as rain water, comprises adding an electrolytic solution to water, and subjecting the diluted water/electrolytic solution to an electric current
DE102007022994A1 (en) * 2007-05-15 2008-11-20 Actides Gmbh Disinfectants based on electrochemically activated water / electrolyte solutions, process for their preparation and use thereof
DE102007024272A1 (en) * 2007-05-23 2008-11-27 Actides Gmbh Method of treating water of tears for animals
EP2289839A1 (en) 2009-08-28 2011-03-02 Krones AG Device and method for preparing a sterile liquid for a filling plant
DE102009039180A1 (en) 2009-08-28 2011-03-03 Krones Ag Apparatus and method for providing a sterile liquid to a bottling plant
DE102011076222A1 (en) 2011-05-20 2012-11-22 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Method for monitoring cleaning and/or disinfection of e.g. pipeline of process system used for beverage production, involves passing measuring radiation used for absorption measurement through measuring path that partially runs within part
DE102013011752A1 (en) * 2013-07-13 2015-01-15 Manfred Völker Chlorine measurement / filter testing / brine tank monitoring of a water treatment plant

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