Hach BioTector 7000i TOC-TN Online Analyser

The Hach BioTector 7000i TOC-TN Online Analyser, or Total Nitrogen Analyser is an additional analysis tool available from BioTector Analytical Systems. When the BioTector oxidises organic carbon compounds (for TOC measurement) it also oxidises bound (organic and inorganic) nitrogen compounds and ammonium compounds into nitrate (NO3-). This nitrate is present as an aqueous ion in the oxidised sample fluid in the BioTector reactor.

Total Nitrogen (TN) result:

When TOC analysis is complete, the sample fluid is brought from the reactor into a measuring cell. Here the spectrophotometer analyses the wavelengths applicable to nitrates. The result is displayed as Total Nitrogen (TN). A cleaning fluid is then passed through the measuring cell automatically, which ensures that operator cleaning and maintenance is kept to an absolute minimum.

  • Low Maintenance – No calibration required between 6-month service intervals
  • High Reliability – Typically 99.7% Uptime
  • Self Cleaning Technology – Prevents clogging & sample contamination
  • Clean & Dirty water analysis (including fats, oils & greases)
  • Can handle chlorides up to 30% and calcium sludge up to 12% by volume
  • No filtering requirements
  • Complete Oxidation of Representative Sample using Patented Two-Stage Advanced Oxidation (TSAO) Technology
  • Multi Range with automatic selection
  • Single or Multi-Stream Option
  • Measured Components: TOC, TN, COD, BOD, TC, TIC, VOC
  • Very Low Cost of Ownership
  • Guaranteed to handle the most demanding applications
  • Determining the total biodegradable load of influent to
    industrial and municipal waste treatment plants from
    organic carbon and nitrogen
  • Optimising and controlling waste treatment plant
  • On-Line COD measurement calculated from organic
    carbon and nitrogen loads
  • Monitoring final effluent
  • Increasing compliance with regulatory requirements
  • Identifying process upset source
  • Measuring organic carbon and nitrogen in Process
  • Minimising waste from process plants
  • Monitoring municipal waste treatment plants – influent
    and effluent
  • Monitoring river water
  • Monitoring surface water
  • Monitoring Process Breakthrough and Spills