An Element for Your Success Independent consultants and planning engineers for water, waste water, solid waste and environmental technologies Unabhängige, beratende und planende Ingenieure für Wasser-, Abwasser-, Abfall- und Umwelttechnik
COD Determination
Measurement Method: Quick COD (LAR) 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
Calibration: Quick COD (LAR) 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
Equipment Configuration: Quick COD (LAR) 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
Response Time: 1-2 minutes Quick COD (LAR) 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
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: Sensitivity: not specified. Calibration Manual/automatic (optional)
CAA- Continuous Auto Analyzer (PAI) Performance: Feautures and accessories: Accessories 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)
CAA- Continuous Auto Analyzer (PAI) Equipment configuration: Layout of CAA for ethylone oyide in glycol/water mixtures
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.
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: Particle Tolerance: Measurement interval continuous
Measurement Method: Liquiline System CA 80 (EH) 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)
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
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: Particle Tolerance: Detection Limit: Ambient temperature range 5 to 40 C (41 to 104 F) Humidity 10 to 95%, not condensing
Comparison LAR PAI EH Reliability Sensitivity Performance +++ + +++ + ++ +++ +++ ++ ++