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AppliTek TOPHO - On-Line Total Phosphorus Analyzer

- On-Line Total Phosphorus Analyzer

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The unique character of theTOPHO On-line Total Phosphorus Analyzer allows operators of industrial and municipal water works to monitor and control in a convenient way the total portion of phosphorous. The analyzer shares similar wet-chemical oxidation techniques that are used for theTONI®On-line Total Nitrogen Analyzer. It runs a chemical analysis based on standard method 4500-P with ascorbic acid reduction and molybdate color solution after persulphate destruction.

The second generationTOPHO marks a dramatic difference with the older model, not only in appearance but also in mainframe and general architecture. Down-scaling the wet-chemical analytical unit was essential in the framework of a global upgrade of the analyzer. Where necessary, wet-chemical components were redesigned for seamless operation:

  • Built-in smart automatic functions
  • Shorter liquid pathways: reagents, cooling, drain
  • Pinch valves outside the cabinet for distribution of cleaning, validation and/or calibration solutions
  • Water-cooled reflux condenser for increased stability
  • Transparent door allows instant 180° visual inspection
  • Reduced environmental footprint (60% weight reduction)

  • On-line, automatic colorimetric measurements of total P conform standard method 4500-P
  • Low temperature wet-chemical oxidation
  • Second generation design with small footprint, shorter liquid pathways and simple maintenance
  • Complete separation between electronics and wet part
  • Multiplexing up to eight (8) sampling points possible
  • Incorporated industrial PC with AppliTek controller software
  • Extended data communication and exchange features

Analysis method
  • Standard method 4500-P
  • Colorimetric measurement using ascorbic acid reduction and molybdate color solution after persulphate destruction in acidic medium
Standard measuring ranges
  • One single range, factory set:
    • 0 – 1 mg/L P
    • 0 – 5 mg/L P
    • 0 – 20 mg/L P
  • Note: higher ranges available by sample dilution
Cycle time
  • 30 minutes including oxidation of 10 minutes
  • Note: oxidation time can be set to 60 minutes for difficult samples
Calibration
  • Factory calibrated
Cleaning
  • Automatic, free adjustable sequence
Detection limit
  • Better than 5 µg/l (range 0 – 1 mg/L)

Applications

  • Process control for the petrochemical chemical industry

    Most chemical products as we know today are composed of a few hundreds of basic chemicals, extracted mostly from crude oil and natural gas. Instrumentation, analyzer systems and process optimization are not new to the operation of all chemical and petrochemical processes. However, tightening regulations, competition pressure and increasing raw materials cost urges the industry to go deeper into process control technology. As a single-source supplier of the (petro)chemical industry since many years, AppliTek...

  • Online monitoring solutions for the food & beverage industries

    Several on-line monitoring technologies such as non-destructive types have become increasingly important due to the increasing automation and the incorporation of new and more efficient processes in the food industry. Food quality and safety of food are the main points of interest. AppliTek builds and supplies the necessary analytical tools that will allow for a high throughput and a short response time to increase process efficiency and reduce waste, with seamless integration in the existing infrastructur...

  • Water monitoring for the pulp & paper industry

    In the field of quality control and process control, AppliTek has developed a unique set of specific monitoring solutions in order to meet the ever-increasing demand for cost efficient paper production. Traditionally, AppliTek is also your one-stop shop for on-line analyzers with regards to environmental compliance.

  • Environmental Control for the Water Utility Industry

    This section contains applications relevant for compliance, water treatment, drinking water and natural sources.

    Collecting, treating and distributing water to consumers and industry, in compliance with quality standards, means a challenging task to water companies. Both private as public water treatment entities have to manage carefully and sustainably their sources, processes and even distribution networks. AppliTek supports them not only with an extended portfolio of analyzers but also with its...

  • Online monitoring solutions for the Wastewater Treatment industries

    AppliTek`s large portfolio of on-line analyzers enables you to monitor precisely the complete treatment process, from influent to effluent. Compliance with discharge regulations is another application example and typically expressed as sum parameters, for which AppliTek has unique solutions.

  • Real-time Control System for Wastewater Treatment Plants

    Wastewater treatment plants (WWTP) are subject to large variation in flow and load, not to speak of uncertainties on the composition of the incoming wastewater. On top of that, the activated sludge treatment process, as used by the vast majority of treatment plants, is difficult to control due to the complex behaviour of the biological process. Nevertheless WWTPs are run 24/7, with operators and management challenged to meet ever tightening environmental regulations.

    In order to meet the operational...

  • Online monitoring solutions for the refining industries

    Online monitoring solutions for the refining industries.

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Related news

  • AppliTek sets new ‘water analyzers’ record in China this week

    AppliTek just announced it has received its highest number of different batches of on-line water analyzers this week from China. Environmental Pollution Control is taken very serious by the Chinese government. We are proud to be on the side of all EPA worldwide with our technology.

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