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Economic water analysis for monitoring the iron content

When you use spring water for drinking water or food production, analysing the iron content of the water is a key issue. As excessive iron content in drinking water and in food production leads to unsightly cloudiness and discolouration as well as to impaired taste.
Discover more about how a Bürkert online analysis system and the iron analyser can help you to economically monitor the iron content in your raw water.

  • Grafische Darstellung des Details einer Wasseraufbereitungsanlage; im Zentrum dargestellt Schaltschrank Typ 8906 mit Eisenanalysator MS06
  • Grafische Gegenüberstellung der Komponenten einer herkömmlichen Ventilllösung versus der Bürkert-Systemlösung: Schaltschrank Typ 8906 mit Eisenanalysator MS06
  • Darstellung Bürkert Schaltschrank Typ 8906, grafisch herausgehoben der Eisensensor Sensor-Cube MS06
  • Prinzipdarstellung der Analyse des Eisengehalts im Eisenanalysator MS06
  • Grafische Darstellung des Schaltschranks Typ 8906 mit Eisenanalysator MS06 plus Schild mit Haken Icon

The challenge: Complex checks with conventional plants

The highest demands are placed on the quality of water for drinking water and food production, therefore full functionality of the iron removal system must be checked and documented continuously. If the limit value is exceeded, quick intervention is required. With conventional water treatment plants, this demands a great deal of personnel and time.

Insignificant measurement results
A turbidity sensor does not show whether the iron removal process is running properly and whether the system is working with the optimum amount of oxygen for the oxidation process. This is only possible with an iron analyser.
Complex process monitoring
One turbidity sensor is used for each individual filter. Monitoring of the individual sensors requires a high expenditure in terms of time and personnel. Process monitoring is carried out randomly for each individual filter line with the laboratory or handheld photometer.
High maintenance effort
Each individual sensor must be cleaned regularly and, if necessary, calibrated. This must be done in a decentralised manner at the various stations of the plant. It may also be necessary to temporarily shut down parts of the plant for this purpose.
Optimum maintenance time difficult to detect The filter load must be monitored at all times and each individual filter must be checked. This makes it difficult to find the optimum and economical backwash time.
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Darstellung Bürkert Schaltschrank Typ 8906, grafisch herausgehoben der Eisensensor Sensor-Cube MS06

The solution: Iron sensors for flow injection analysis (FIA)

The Bürkert online analysis system offers three major advantages over conventional instrumentation solutions:

  1. The iron removal process is monitored with a special iron sensor, the sensor cube MS06. Its sensors are based on state-of-the-art flow injection analysis (FIA). One sensor is able to monitor multiple filters using the Bürkert sampling system.
  2. The sample water lines can be designed flexibly – in addition to the iron sensor, it is, for example, possible to integrate sensors for turbidity, ORP, conductivity and pH value.
  3. In combination with Bürkert sample water sampling, one sensor unit – consisting of the said sensors – can monitor up to eight sample water lines.

The main benefits at a glance:

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State-of-the-art flow injection analysis (FIA)

The automated analysis of the iron content in iron analyser MS06 works with high-precision microfluidic components:

  1. With the help of flow injection analysis (FIA), a sample is taken from the flowing medium.
  2. A reagent is added to this sample.
  3. Sample and reagent are pumped through the system and mixed in the process.
  4. They react to form a specific dye.
  5. The iron content is then determined through the photometric analysis of this dye.
Grafische Darstellung der mikrofluidischen Komponenten des Eisenanalysators MS06; dazu Prinzipdarstellung der Analyse des Eisengehalts

Control cabinet solution Type 8906

Sensor cube MS06 as well as other sensors and components can be installed in the robust control cabinet solution Type 8906. Your measured values are therefore always available at a glance. This allows you to carry out maintenance, control and error diagnosis at one location – without having to cover long distances and employ a laboratory. The robust control cabinet protects your sensors and other components against contact, dirt and water to IP65 degree of protection.

  • Its other advantages include:Customised, application-specific sensors
  • Automatic cleaning and calibration units
  • Compact dimensions
  • Lockable on request
Grafische Darstellung einer Wasseraufbereitungsanlage; zentral platzierter Schaltschrank Typ 8906 mit Eisenanalysator MS06

Discover further information about Bürkert control cabinet solutions here.

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Invest in your process reliability instead of numerous sensors

Our calculation example shows how you can save on the number of sensors when using iron analyser MS06 and the control cabinet solution Type 8906.

                                           Conventional solution                Bürkert system solution

Monitoring of filters with turbidity measurement
continuously, 1 turbidity meter per filter + photometer 5x turbidity sensor, including cleaning €21,310 Transmitter + photometer
for process monitoring €800
Manual sampling, 1 hour per day,
220 days at €50
Annual costs for maintenance and consumables (depending on the type of maintenance agreement, estimated at €500 a year)
Monitoring of filters with Bürkert control cabinet Type 8906
Up to five sample water changeovers can be achieved with one Bürkert iron analyser.
  • 1x iron analyser MS06
  • 1x calibration and cleaning module MZ30
  • 1x turbidity sensor MS05
  • 1x cleaning module ME21 display with data logger
  • 5x sample water changeover
Pump replacement approx. every 2-3 years (depending on the number of samples, as part of the maintenance agreement)
Annual costs for maintenance and consumables (depending on the type of maintenance agreement, the number of sample water changeovers and the system equipment)

Do you want to reduce the number of sensors? For more information, download our brochure or contact us.

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Contact Sales

Christian Bürkert GmbH & Co. KG
Christian-Bürkert-Straße 13-17
D-74653 Ingelfingen, Germany
Telefon: +49 7940 10 0
Telefax: +49 7940 10-91 204

Do you have any questions? Don´t hesitate to contact us.

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