Chromatotec Group

- Sulfur Compounds Analyzers

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The TRSMEDOR is an automatic and isothermal gas chromatograph dedicated to sulfur compounds analysis (H2S, mercaptans and sulphides) in different matrices. Two versions exist : the TRSMEDOR ppm which measures at ppm levels and the TRSMEDOR ppb which measures at ppb levels.

The TRSMEDOR is an industrial gas chromatograph for the analysis and monitoring of sulfur compounds in air: H2S, Mercaptans, Sulfides. Two versions exist according to levels of concentration expected:

  • The TRSMEDOR ppm
  • The TRSMEDOR ppb

  • Automatic sampling using a loop
  • Loop injection by automatic valve on the column
  • Isothermal gas chromatograph
  • Detection of all compounds eluting from the column performed by Chromatotec’s wet cell sulfur specific detector
  • Signal provided by electrochemical reaction between the wet cell electrolyte and the sulfur compounds

  • Automatic calibration/validation of the data, with embeded permeation tube
  • Continuous monitoring with automatic online sampling
  • Analytical performances:
    • Specific and very sensitive to sulfur compounds
    • Results validation by automatic standard injection
    • Long term stability using detector installed in reservoir
  • Extremely low maintenance
    • Very long life time detector, up to 10 years
    • Low gas consumption, can be reduced in option
    • More than 10 years data storage
    • No cylinders required thanks to internal calibration tube and gas generators
  • Automatic control with process device
  • Intelligents system with tunable and interactive alarm levels
  • Powerful VISTACHROM Chromatotec® software:
    • Remote monitoring & injection control
    • Full traceability with on board archiving of results and chromatograms
    • QC Set up and control of threshold alarms
    • Data export by MODBUS / 4-20 mA / 0-10 V
    • Time stamp results

  • Multiple stream selector (up to 16 streams with one analyser)
  • Modeling software with weather station for live odor/chemical impact
  • Explosion proof Exp box
    • ATEX Zone 2: Ex II 3G Ex pz IIC T4
    • CSA international Class 1 Div 2, group B,C & D
  • Calculation modules (Average / Statistics / Odor index and more)
  • Automatic data transfert through: Module for 4 outputs 4-20mA/ Modbus / MGS1
  • Nitrogen or air generator
  • 24 V DC power supply
  • Electric selection valve to reduce air consumption

  • Reduced sulfur compounds analysis: Speciation and/or Total Reduced Sulfur: sum (TRS)
  • Detection limits* for H2S, SO2, DMS, MM, EM:
    • TRSMEDOR® ppm LDL ≤ 0.1 ppm
    • TRSMEDOR® ppb ≤ 1 ppb
    •  *more sensitive analyzers available upon request with special application
  • Range (adjustable depending on application):
    • 0/10 or 0/100 or 0/1000 (ppb or ppm)
    • Calcultation TRS, mgS/m3 ...
  • Relative Standard Deviation:
    • RSD < 3 % on concentration over 48H
    • RSD < 0.5% on retention time over 48H
  • Cycle Time for the following different analyses:
    • H2S/TS 120s
    • H2S, SO2, MM, EM, DMS, DMDS, DES, IPM 600s
    • H2S, SO2, MM, EM, DMS, DMDS, DES, IPM 1200s TBM, NPM, 2BM, IBM, NBM, MES and THT
  • Supervisor:
    • Embeded computer Windows® based with LCD display
    • 32 GB of Hardware storage on SSD memory
  • Communication: Ethernet, remote control
  • Gas supply:
    • Carrier: Dry air or N2 (3 bars): ≤ 4 ml / min.
    • CALIB: in continuous ~ 50 ml / min.
    • CALIB during validation ~ 250ml/min for M52 configuration
    • Pneumatic valve 90ml/commutation
  • Power supply: Main: 230V 60Hz or 115V / 50Hz
  • Electrical consumption: 150 VA
  • Dimensions and weights:
    • Rack: 19' (5U)
    • Height: 222 mm
    • Width: 482mm
    • Depth: 660 mm
    • Net weight: 22 Kg

  • Sulfur or odor Sulfur compounds = TRSMEDOR H2S / Mercaptans / TOS / TRS Odor are coming from sulfur or NH3 The main advantages of Chromatotec® instruments are : 1) They are 19' rack and 4 or 5U height with (...)
  • Waste water treatment plants and land field The aim : analyze ppb or ppb of H2S and mercaptans with the TRSMEDOR because of bad smell of exhausts from waste water treatment plants and also the toxicity of H2S and Me-SH. Usually the (...)
  • Odor : bad smell The aim : analyze of H2S ppb and mercaptans with the TRSMEDOR because of bad smell of exhausts. Usually the four Sulfurs involved in the waste water treatment plants are : (fermentation odor ) (...)
  • TRS applications The TRSMEDOR is an instrument dedicated to the measurement of Total Reduced Sulphur compounds in ambient air with applications in waste water treatment and landfills. Eonomical and easy to use, (...)
  • TRS MEDOR in multi site project The Challenge: The TRSMEDOR is now well known as a highly tried technique. CHROMATOTEC receives many orders for this instrument. CHROMATOTEC supplies 3 cabinets of analyses integrating the TRS (...)
  • TRSMEDOR : integration in an industrial process The recycling and valuation of wastes is a major challenge for the conservation of the environment. Chromatotec currently works with the research center of a large French industrial group to add (...)
  • Continuous Monitoring of Odourous Compounds in Waste Water Treatment Plants - Sensory approach or Physico-chemical solution?

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