WO2011080075A2 - Rohwasserhärtebestimmung in einer wasserbehandlungsanlage über die leitfähigkeit des weich- oder verschnittwassers - Google Patents
Rohwasserhärtebestimmung in einer wasserbehandlungsanlage über die leitfähigkeit des weich- oder verschnittwassers Download PDFInfo
- Publication number
- WO2011080075A2 WO2011080075A2 PCT/EP2010/069720 EP2010069720W WO2011080075A2 WO 2011080075 A2 WO2011080075 A2 WO 2011080075A2 EP 2010069720 W EP2010069720 W EP 2010069720W WO 2011080075 A2 WO2011080075 A2 WO 2011080075A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- water
- conductivity
- raw water
- derived
- raw
- Prior art date
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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
- C02F1/42—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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- 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
- C02F2001/425—Treatment of water, waste water, or sewage by ion-exchange using cation exchangers
-
- 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
- C02F2209/003—Downstream control, i.e. outlet monitoring, e.g. to check the treating agents, such as halogens or ozone, leaving the process
-
- 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
- C02F2209/05—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
- C02F2209/05—Conductivity or salinity
- C02F2209/055—Hardness
-
- 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
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/043—Treatment of partial or bypass streams
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
Definitions
- the invention relates to a method for operating a
- a softening device in particular comprising a
- softening softening devices which operate mostly by the ion exchange method.
- the hardness constituents contained in the water (calcium and magnesium ions) are exchanged in an ion exchange resin for sodium ions.
- the ion exchange resin When the ion exchange resin is exhausted, it must be regenerated, for example by rinsing with a brine.
- Conductive sensors are inexpensive and easy to use, but have the disadvantage of using electrodes as probes that can calcify when used in hard water. The formation of a lime layer on the electrode surfaces can lead to malfunction of the conductivity sensors.
- Raw water is obtained, a conductivity sensor used.
- the conductivity sensor does not need to be arranged in the raw-water-conducting area of the water treatment plant, but can be arranged in the soft or mixed-water-conducting area of the water treatment plant.
- the conductivity sensor is well protected against calcification, and the functionality of the cost-effective conductivity sensor is permanently ensured.
- the conductivity detected by a conductivity sensor provides a
- conductivity is approximately proportional to the water hardness, i. to the content of calcium and magnesium ions.
- the hardness-forming agents (calcium and magnesium ions) contained in the water are exchanged for sodium ions in an ion exchange resin.
- a calcium or magnesium ion is replaced by two sodium ions, and the conductivity in the softened water changes accordingly.
- the softened water (soft water) is free of calcium and magnesium ions. Nevertheless, the measured in the softened water behaves
- the derivation of the conductivity LF r0 h of the raw water and the total hardness of the raw water is typically carried out without a prior determination of the blended water hardness.
- Blending water hardness can be determined by the derived raw water hardness and the relative proportions of the partial flows.
- the conductivity sensor in the context of the invention in the context of the invention, the conductivity sensor in the
- Soft water area can be arranged. In this case, no weighting corresponding to the partial flows need be carried out for the determination of the raw water properties such as raw water conductivity or raw water hardness; the procedure is then particularly simple.
- the conductivity can be derived LF r0 h of raw water from the conductivity LF we i C h of the softened water first, and then the Conductivity LF r0 h of the raw water with known calibration functions are converted into a raw water hardness .
- the electronic control device For example, be stored as a characteristic, polynomial function or as a value table in the electronic control device. From the raw water conductivity can easily be determined by means of known calibration functions, the total hardness in the raw water; the application of different
- softening ie with stoichiometric exchange of the hardness formers calcium and magnesium ions for sodium ions
- the conductivity increases slightly. Examination of different waters has shown that the percentage increase in conductivity due to softening is nearly constant around 5% regardless of the water quality, corresponding to a UFK of about 0.95, which is a preferred value.
- the arithmetic operations for determining the conductivity LF r0 h of the raw water can be greatly simplified.
- Regeneriervorgangs the softening device is used, by means of a first calibration function K1 from the derived conductivity LF r0 h of Raw water is derived,
- Blending device is used, is derived by means of a second calibration function K2 from the derived conductivity LF r0h of the raw water.
- the two calibration functions K1 and K2 take into account that the detected conductivity represents a sum parameter that detects all ions dissolved in the water, and the conductivity is only approximately proportional to the water hardness, i. to the content of calcium and magnesium ions.
- the first calibration function K1 (usually stored in the control device as calibration curve or calibration curve) is preferably defined such that the water hardness determined from it corresponds at least to a good approximation to the maximum water hardness occurring in this conductivity. This avoids that a regeneration process is started too late, so that a hardness breakthrough is reliably avoided.
- the first calibration function K1 typically uses a calibration of 28-35 pS / cm per ° dH, in particular 30-33 pS / cm per ° dH (with ° dH: degree of German hardness).
- Control device deposited as a calibration curve or calibration curve certain water hardness is preferably obtained as the mean value of all water hardnesses occurring in this conductivity.
- Calibration function K2 typically uses a calibration of 35-44 pS / cm per ° dH, in particular 38-41 pS / cm per ° dH. By using the two calibration functions is an accurate
- K1 and K2 are preferably different, in particular wherein the total hardness I derived from the first calibration function K1 is at least partially greater than the total hardness II derived from the second calibration function K2.
- the raw water hardness used to control the regeneration process and the blending device can be derived from the measured
- the blending device controls so accurately that the specified in DIN 19636-100 tolerance limits for the blended water are met.
- a total hardness I of the raw water which is used to control a regeneration process of the softening device, directly by means of a first Automatkalibrierfunktion GK1 from the experimentally determined conductivity LF we i C h of the softened water is derived
- Blending device is used, directly by means of a second
- Total calibration function GK2 from the experimentally determined conductivity It is derived from the softened water. Similar as described above, by using the two overall calibration functions GK1 and GK2, accurate blending can be ensured, while at the same time hardness breakthroughs are reliably prevented. The direct determination of the raw water hardness (without interim determination of the
- Anomkalibrierfunktion can in particular a combination of conversion function and
- Calibration function correspond, or assign directly empirically determined values.
- GK1 and GK2 are preferably different, in particular wherein the total hardness I derived from the first overall calibration function GK1 is at least partially larger than that from the second one
- the conductivity LF can raw of raw water also from the conductivity LF ve rschnitt the blending water, usually taking into account the ratio of the partial flows V (t) t e ni soft and V (t) te be ii2roh determined. In this case can be carried out according to the sub-streams a real conversion of the conductivity LF we i C h of the blended water contained in the softened water with weighting.
- a multiplier on the conductivity LF ve rêt of the waste water be applied which depends on the partial streams and increases with increasing proportion of raw water;
- the multiplier at a raw water content of 0% is about 0.95 (or another value corresponding to the local conditions in the range 0.90 to 0.99, preferably in the range 0.93 to 0.97), at a
- Raw water content of 100% is the multiplier 1, and the intermediate values of the multiplier are linearly interpolated. There are others besides
- LF r0 h can also be done numerically, especially if it is difficult to solve the formula according to LF rori .
- the (relative) partial flows can be determined via flow meters directly or indirectly, or via the adjustment position of the
- Blending device can be estimated.
- Regeneriervorgangs the softening device is used, by means of a first calibration function K1 from the derived conductivity LF r0 h of
- Blending device is used, is derived by means of a second Kaiibrierfunktion K2 from the derived conductivity LF raw raw water.
- K1 and K2 are preferably different, especially where from the first
- Kaiibrierfunktion K1 derived total hardness I at least in sections is greater than the derived from the second Kaiibrierfunktion K2 total hardness
- Blending device is used, directly by means of a second
- the weighted total calibration function can in particular be a combination of the above formula for determining LF r0 h (which the conversion function or
- a softening device in particular comprising a
- an automatically adjustable blending device for mixing a blended water stream V (t) ve ent cut from a first, softened substream V (t) tein soft and a second, raw water-carrying substream V (t) te ii2roh, which is characterized
- the conductivity sensor is arranged in the region of the softened water or the blended water
- control device for carrying out an above-described, inventive method is set up.
- Conductivity sensor can not calcify and is maintenance free.
- the controller can do all for the
- Execute the operating method necessary functions, such as a conversion function UF or a calibration function, store.
- the electronic control device has a memory with a plurality of stored calibration functions (K1, K2) and / or with several stored Automatkalibrierfunktionen (GK1, GK2) and / or with several stored weighted Automatkalibrierfunktionen (GGK1, GGK2) for calculating the conductivity LF r0 h of the raw water and / or I we the softened water or conductivity LF ve rsc Nitt of waste water on the total hardness of the raw water from the conductivity LF.
- Fig. 2 is a diagram of the measured conductivity of
- Fig. 3 is a diagram of the measured conductivity of
- Raw water ( raw LF) as a function of the titrimetrically determined total hardness of the raw water at various drinking waters.
- FIG. 1 shows an example of a water treatment plant 1 according to the invention, which is connected via an inlet 2 to a local water supply system, such as the drinking water network.
- the (total) raw water flow V (t) r0 h flowing at the inlet 2 first passes through a flow meter 3 and then divides into two partial flows.
- Softening device 4 which in particular a control head 5 and two tanks 6a, 6b with ion exchange resin 7 has. A second part flows into a bypass line 8.
- the flowing into the softening device 4 raw water flows through the two tanks 6a, 6b with ion exchange resin 7, wherein it is fully softened (V (t) te in soft) - In this case, the hardness of calcium and magnesium ions are stoichiometrically exchanged for sodium ions.
- the Softened water then flows through a conductivity sensor 9, with which the conductivity is determined in the softened partial flow.
- the second part of the raw water V (t) te iS2roh in the bypass line 8 passes an automatically operable Verschneide issued, here an adjustable with a servomotor 10 blending valve 1 first
- the first partial flow V (t) te iii soft and the second partial flow V (t) te ii2roh are finally united together to a blended water flow V (t), which flows to a drain 12.
- the drain 12 is connected to a subsequent water installation, such as the fresh water pipes of a building.
- control means comprises a memory 18 (here) a plurality of functions (preferably stored as a characteristic lines), with which from the measurement results of the conductivity sensor 9 in the softened water flow V (t) te in weic the instantaneous water hardness of the
- Raw water WH raw mom is determined.
- the functions take into account that in the softened partial flow V (t) t ei the calcium and magnesium ions soft n stoichiometric, ie one hardeners against two sodium ions have been exchanged, whereby the conductivity is specifically changed.
- a conversion function UF is stored in the control device 13 or in the memory 18, with which the measured conductivity LFweich the softened water is converted into an associated conductivity LF raw raw water.
- two calibration functions K1 and K2 are deposited, by means of which the conductivity LF crude of the raw water into a raw water hardness for the purpose of regeneration control (via the
- Calibration function K1 and a raw water hardness for the purposes of Intersection control can be converted.
- a desired set point (SW) of the water hardness of the blended water is deposited. From the set point (SW) of the mixture water hardness and the instantaneous water hardness WH r o mom im
- the controller 13 determines a current target ratio of the partial flows V (t) te in soft and V (t) te ii2roh, through which the desired water hardness results in the waste water.
- the proportions of the two substreams (t) tain and V (t) te ii2roh are determined by the setting of the
- Blending device set In the embodiment shown, the relative proportions of the partial flows from the (known) adjustment position of the Verschneideventils 1 1 are estimated; alternatively, may also be provided an additional flow meter as in the bypass line 8, so that the second Teiisstrom V (t) te ii2roh directly and the first partial flow V (t) t e itiweich indirectly as the difference between V (t) r0 h (total ) and V (t) can be determined te ii2roh.
- the electronic control device 13 also monitors the
- Fatigue state of the ion exchange resin 7 in the two tanks 6a, 6b In the case of water withdrawals, the amount of water taken is weighted in each case with the associated instantaneous raw water hardness and subtracted from the current residual capacity. If a tank is exhausted, the electronic control device 13 takes the exhausted tank from the network and subjects it to regeneration. For this purpose, a regeneration valve 14 with a
- Servomotor 15 is automatically actuated by the electronic control device 13, whereby regenerant solution (preferably brine) 16 flows from a storage vessel 17 through the exhausted tank.
- Fig. 2 shows a diagram representation of the measured conductivity LF r0 h of raw water depending on the measured conductivity LF I we the associated softened water at various drinking waters.
- drinking waters from various supply networks were investigated and their conductivity was determined experimentally.
- the drinking waters were then completely softened with a water treatment plant 1 according to the invention and the conductivity of the softened waters determined experimentally again.
- F1 LF r oh LF we I 0.95.
- the slight increase in conductivity in the softened water is due to the fact that divalent charge carriers (calcium and magnesium ions, respectively) are exchanged for two monovalent charge carriers.
- the approximately linear relationship between the conductivity of the raw water and the softened water according to the invention allows the determination of the conductivity of the raw water from the experimentally determined conductivity of the softened water by means of a simple characteristic curve as a conversion function UF to a good approximation.
- Conductivity sensors that are used in softened water can not be impaired by lime deposits in their function, so that a maintenance-free operation is possible.
- FIG 3 shows a diagram of the measured conductivity LF r0 h in the raw water as a function of the titrimetrically determined total hardness in the raw water at various drinking waters.
- Calibration functions K1 and K2 are given two different approximate values for the total hardness of the raw water as a function of the conductivity LF r0 h of the raw water. With an approximate value, the regeneration process can be controlled such that a breakthrough is avoided and at the same time the specified in DIN EN 14763 minimum exchange capacity of 4 mol (400 g CaCO 3) per kilo of used regenerating salt is maintained, while the second
- the blending device controls so accurately that the in the DIN 19636-100 specified tolerance limits for the waste water are met.
- K1 has a slope of approximately 31 pS / cm ° dH and runs as the straight line of origin
- K2 has a slope of approximately 39 S / cm ° dH and also runs as the straight line of origin.
- the conductivity of the raw water is derived according to FIG. 2 by means of the (here linear) conversion function UF from the experimentally determined conductivity of the softened water. From the conductivity of the raw water are then shown in FIG. 3 by means of the calibration functions K1 and K2 the
- Total hardness I or II derived from the raw water.
- the total hardnesses I and II of the raw water can also be calculated directly from the measured value by combining the conversion function UF and the calibration functions K1 and K2
- the conversion function UF must be weighted in accordance with the percentage proportions of the two partial flows.
Abstract
Description
Claims
Priority Applications (11)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10796359.7A EP2512994B1 (de) | 2009-12-18 | 2010-12-15 | Rohwasserhärtebestimmung in einer wasserbehandlungsanlage über die leitfähigkeit des weich- oder verschnittwassers |
PL10796359T PL2512994T3 (pl) | 2009-12-18 | 2010-12-15 | Wyznaczanie twardości wody surowej w instalacji do obróbki wody poprzez przewodność wody miękkiej lub wody zmieszanej |
CA2782923A CA2782923C (en) | 2009-12-18 | 2010-12-15 | Raw water hardness determination in a water treatment system via the conductivity of the soft or blended water |
US13/514,590 US8696912B2 (en) | 2009-12-18 | 2010-12-15 | Raw water hardness determination in a water treatment system via the conductivity of soft or blended water |
JP2012543707A JP5809162B2 (ja) | 2009-12-18 | 2010-12-15 | 水処理システム及びその操作方法 |
ES10796359.7T ES2484045T3 (es) | 2009-12-18 | 2010-12-15 | Determinanción de la dureza de agua no tratada en una instalación de tratamiento de agua a traves de la conductividad del agua blanda o combinada |
RU2012130341/05A RU2569094C2 (ru) | 2009-12-18 | 2010-12-15 | Определение жесткости сырой воды в установке для водоподготовки по электропроводимости умягченной или смешанной воды |
CN201080056523.8A CN102666399B (zh) | 2009-12-18 | 2010-12-15 | 在水处理系统中通过软化水或混合水的导电性确定未处理水的硬度 |
NZ600381A NZ600381A (en) | 2009-12-18 | 2010-12-15 | Raw water hardness determination in a water treatment system via the conductivity of soft or blended water |
AU2010338452A AU2010338452B2 (en) | 2009-12-18 | 2010-12-15 | Raw water hardness determination in a water treatment system via the conductivity of soft or blended water |
ZA2012/04366A ZA201204366B (en) | 2009-12-18 | 2012-06-14 | Raw water hardness determination in a water treatment system via the conductivity of soft or blended water |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009055007A DE102009055007A1 (de) | 2009-12-18 | 2009-12-18 | Rohwasserhärtebestimmung in einer Wasserbehandlungsanlage über die Leitfähigkeit des Weich- oder Verschnittwassers |
DE102009055007.0 | 2009-12-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011080075A2 true WO2011080075A2 (de) | 2011-07-07 |
WO2011080075A3 WO2011080075A3 (de) | 2011-11-24 |
Family
ID=43858457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/069720 WO2011080075A2 (de) | 2009-12-18 | 2010-12-15 | Rohwasserhärtebestimmung in einer wasserbehandlungsanlage über die leitfähigkeit des weich- oder verschnittwassers |
Country Status (13)
Country | Link |
---|---|
US (1) | US8696912B2 (de) |
EP (1) | EP2512994B1 (de) |
JP (1) | JP5809162B2 (de) |
CN (1) | CN102666399B (de) |
AU (1) | AU2010338452B2 (de) |
CA (1) | CA2782923C (de) |
DE (1) | DE102009055007A1 (de) |
ES (1) | ES2484045T3 (de) |
NZ (1) | NZ600381A (de) |
PL (1) | PL2512994T3 (de) |
RU (1) | RU2569094C2 (de) |
WO (1) | WO2011080075A2 (de) |
ZA (1) | ZA201204366B (de) |
Cited By (1)
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WO2013153150A1 (de) * | 2012-04-14 | 2013-10-17 | Judo Wasseraufbereitung Gmbh | Verfahren zum betrieb einer wasserenthärtungsanlage mit verschiedenen betriebsmodi zur regenerationssteuerung |
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DE102012011195B4 (de) | 2012-06-06 | 2015-12-17 | Bwt Wassertechnik Gmbh | Vorrichtung und Verfahren zur Überwachung der Wasserqualität eines druckbeaufschlagtenWassersystems |
NZ720562A (en) | 2013-12-17 | 2019-06-28 | Judo Wasseraufbereitung | Blending control method with determination of untreated water hardness via the conductivity of the soft water and blended water |
US9778299B2 (en) * | 2014-03-06 | 2017-10-03 | The Board Of Regents Of The University Of Texas System | Methods and devices for measuring compositions of fluids |
CN105668704A (zh) * | 2015-12-31 | 2016-06-15 | 杨正涛 | 一种净水机的水质检测方法及净水机 |
DE102016104549B3 (de) * | 2016-03-11 | 2016-11-03 | Krohne Messtechnik Gmbh | Verfahren zum Betreiben eines induktiven Leitfähigkeitssensors und diesbezüglicher induktiver Leitfähgikeitssensor |
WO2019006929A1 (zh) * | 2017-07-05 | 2019-01-10 | 佛山市顺德区美的饮水机制造有限公司 | 软水机、软水机的水质硬度控制装置和方法 |
US11667542B2 (en) | 2020-03-31 | 2023-06-06 | Ecowater Systems Llc | Longitudinal in-situ impedance and resin monitoring sensor, and method of measuring and tracking the movement of hardness in a water softener utilizing the same |
RU2744346C1 (ru) * | 2020-09-15 | 2021-03-05 | Иван Андреевич Тихонов | Способ контроля работы установки Na-катионирования воды |
WO2022065158A1 (ja) * | 2020-09-23 | 2022-03-31 | パナソニックIpマネジメント株式会社 | 軟水化装置及びその再生方法 |
DE102022107575A1 (de) * | 2022-03-30 | 2023-11-09 | Grünbeck Wasseraufbereitung GmbH | Wasserbehandlungsanlage und Verfahren zum Betrieb einer Wasserbehandlungsanlage |
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RU2323893C1 (ru) * | 2006-06-26 | 2008-05-10 | ЗАО "Специальное конструкторское бюро экспериментального оборудования при Государственном научном центре РФ "Институт медико-биологических проблем" "РАН" (ЗАО "СКБ ЭО при ГНЦ РФ "ИМБП" РАН") | Устройство получения воды очищенной и для инъекций |
DE102008045354B3 (de) * | 2008-09-02 | 2010-02-25 | Judo Wasseraufbereitung Gmbh | Aussetzen von Messgrößenauswertungen in einer automatischen Wasserenthärtungsanlage bei Vorliegen von definierten Betriebssituationen |
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2009
- 2009-12-18 DE DE102009055007A patent/DE102009055007A1/de not_active Ceased
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2010
- 2010-12-15 WO PCT/EP2010/069720 patent/WO2011080075A2/de active Application Filing
- 2010-12-15 EP EP10796359.7A patent/EP2512994B1/de active Active
- 2010-12-15 RU RU2012130341/05A patent/RU2569094C2/ru active
- 2010-12-15 PL PL10796359T patent/PL2512994T3/pl unknown
- 2010-12-15 CA CA2782923A patent/CA2782923C/en active Active
- 2010-12-15 US US13/514,590 patent/US8696912B2/en active Active
- 2010-12-15 NZ NZ600381A patent/NZ600381A/en not_active IP Right Cessation
- 2010-12-15 CN CN201080056523.8A patent/CN102666399B/zh active Active
- 2010-12-15 ES ES10796359.7T patent/ES2484045T3/es active Active
- 2010-12-15 JP JP2012543707A patent/JP5809162B2/ja not_active Expired - Fee Related
- 2010-12-15 AU AU2010338452A patent/AU2010338452B2/en not_active Ceased
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2012
- 2012-06-14 ZA ZA2012/04366A patent/ZA201204366B/en unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007059058B3 (de) | 2007-12-06 | 2009-07-30 | Judo Wasseraufbereitung Gmbh | Verfahren zum Betrieb einer Wasserenthärtungsanlage mit zwei Kalibrierkennlinien und zugehörige Wasserenthärtungsanlage |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013153150A1 (de) * | 2012-04-14 | 2013-10-17 | Judo Wasseraufbereitung Gmbh | Verfahren zum betrieb einer wasserenthärtungsanlage mit verschiedenen betriebsmodi zur regenerationssteuerung |
Also Published As
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US20120261346A1 (en) | 2012-10-18 |
NZ600381A (en) | 2014-07-25 |
JP5809162B2 (ja) | 2015-11-10 |
PL2512994T3 (pl) | 2014-09-30 |
US8696912B2 (en) | 2014-04-15 |
DE102009055007A1 (de) | 2011-06-22 |
CA2782923A1 (en) | 2011-07-07 |
CA2782923C (en) | 2016-06-28 |
ZA201204366B (en) | 2013-01-31 |
CN102666399A (zh) | 2012-09-12 |
RU2012130341A (ru) | 2014-01-27 |
RU2569094C2 (ru) | 2015-11-20 |
AU2010338452B2 (en) | 2014-03-20 |
CN102666399B (zh) | 2014-05-28 |
ES2484045T3 (es) | 2014-08-08 |
WO2011080075A3 (de) | 2011-11-24 |
AU2010338452A1 (en) | 2012-06-21 |
EP2512994B1 (de) | 2014-04-30 |
EP2512994A2 (de) | 2012-10-24 |
JP2013514166A (ja) | 2013-04-25 |
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