COD Determination

COD Determination

An Element for Your Success Unabhängige,Independent consultantsberatende and und planning planende engineers Ingenieure for water, waste water, solid waste and environmental für Wasser-, Abwassertechnologies-, Abfall- und Umwelttechnik Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt COD Determination Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt Quick COD (LAR) Measurement Method: • Thermal combustion at 1200°C which guarantees the complete oxidation of the sample without reagents. • Then measured with an NDIR detector Reliability: • High reliability – 98% availability Sensitivity: Measurement range: • 10-150 mg/l COD • 100-2,000 mg/l COD • 500-5,000 mg/l COD • 1,000-8,000 mg/l COD • 20,000-250,000 mg/l COD • More ranges on request Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt Quick COD (LAR) Calibration: • Not specified Performance: Feautures and accessories: • Catalyst-free technique • Reagent-free analysis • No filtration necessary • No memory effects • Very low maintenance and operational costs • Auto start option • Analyser available minimum 98% • Multi stream measurement (optional) • Monitors up to six streams Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt Quick COD (LAR) Equipment Configuration: • Designed for wall mounting, outdoors or indoors. Rail- and stand-mounting options are available. • weatherproof, and lockable. Dimensions • Width 700 x height 1,020 x depth 520 mm Weight • 115 kg (standard) Sample Volume: 10-600 microliter small Sample Preparation • Maintenance- free particle cutter • Optional homogeniser for the continuous homogenisation of samples Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt Quick COD (LAR) Response Time: • 1-2 minutes Particle Tolerance: • Max. 0.8mm according to ISO 8245 Measurement interval • 1 – 3 minutes - depending on the application Reagent Consumption • Only distilled water and a small amount of inexpensive acid required Reagent consumption: • No reagent Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt CAA- Continuous Auto Analyzer (PAI) Measurement Method: • Real continuous automatic monitoring of a wide range of parameters in liquid sample using these analytical techniques: • Potentiometry • Conductivity • Photometry • Fluorimetry Reliability: • Not specified Sensitivity: • not specified. Calibration • Manual/automatic (optional) Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt CAA- Continuous Auto Analyzer (PAI) Performance: Feautures and accessories: Accessories • Not specified Special features • Contrary to other techniques which analyze different samples, analyse the same sample continuously. • Cacluation of contaminant loads even if rapid changes in concentration may occur. Sample Condition: • Pressure: 0 bar with sample pump. Higher pressures on demand • Flow rate: application dependant • Temperature: >0-50 º C (application dependant) Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt CAA- Continuous Auto Analyzer (PAI) Equipment configuration: • Layout of CAA for ethylone oyide in glycol/water mixtures Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt CAA- Continuous Auto Analyzer (PAI) Dimensions: • Housing: wall mounting, stainless steel and plastic • Width ±400 mm x depth: 270 mm x heigt: 910 mm • Weight: approximately 30 kg Information transfer: • Transmitting results to process control an analog output ( (0)4- 20 mA) is used. Equipment safety: • Two separated housings to protect the electronics from any hazardous vapour and liquids. Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt CAA- Continuous Auto Analyzer (PAI) Operation : Inbuilt toch screen for manual control of CAA analyser . • Results are displayed in numerical or graphical presentation Operation Notification and Failure: • System fault: in case of system failure the alarm contact is triggered. • Threshold alarm (optional): relays for threshold alarm are available. • Response Time: • Not specified Particle Tolerance: • Not specified Measurement interval • continuous Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt Liquiline System CA 80 (EH) Measurement Method: • Established COD dichromate method directly comparable to laboratory results. Reliability: ± 10 % according to potassium hydrogen phthalate test Sensitivity: • 10-5,000 mg/l COD • 40-20,000 mg/l COD Calibration • Automatic calibration and cleaning User-configurable measuring, cleaning and calibration intervals • Zero standard: 500 ml per month given a calibration interval of 48 h. (no dilution module) • Standard 1: approx. 90 ml per month given a calibration interval of 48 h (no dilution module) Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt Liquiline System CA 80 (EH) Calibration Interval: • 1 h to 90 days, depending on the application and ambient condition Performance: Features and accessories: Accessories – Kit CA8x/CAT860: wall mounting – Kit CA8x/CAT860: housing bottom – Kit CA8x: door with window – … Sample Characteristics: • Volume: 8 ml per measurement • Temperature: 4 to 40 °C (39 to 104 °F) • Consistency: Low solids content, aqueous, homogenized Measuring interval: • Continuous (approx. 55 min), adjustable 30 min to 24 h Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt Liquiline System CA 80 (EH) Equipment Safety: Electrical safety • According to EN/IEC 61010-1:2010, Class I equipment • Low voltage: overvoltage category II • For installations up to 2000 m (6500 ft) above MSL Information Transfer: • Not specified Particle Tolerance: • Not specified Detection Limit: • Not specified Ambient temperature range • 5 to 40 °C (41 to 104 °F) • Humidity 10 to 95%, not condensing Hannover ∙ Hannover Erfurt ∙ Oldenburg Bremen Erfurt Comparison LAR PAI EH +++ + +++ Reliability + ++ +++ Sensitivity +++ ++ ++ Performance .

View Full Text

Details

  • File Type
    pdf
  • Upload Time
    -
  • Content Languages
    English
  • Upload User
    Anonymous/Not logged-in
  • File Pages
    15 Page
  • File Size
    -

Download

Channel Download Status
Express Download Enable

Copyright

We respect the copyrights and intellectual property rights of all users. All uploaded documents are either original works of the uploader or authorized works of the rightful owners.

  • Not to be reproduced or distributed without explicit permission.
  • Not used for commercial purposes outside of approved use cases.
  • Not used to infringe on the rights of the original creators.
  • If you believe any content infringes your copyright, please contact us immediately.

Support

For help with questions, suggestions, or problems, please contact us