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Analysis in Drinking Water

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Analysis in Drinking Water Analysis in drinking and mineral water excellent products, unique product basket 05/28/2004 Stollm Slide 1 Analysis in drinking and mineral water A full product basket for each application E+H can offer a wide spread of different products and a full product basket in the drinking water industry for standard applications but also for special applications. pH, ORP, chlorine, conductivity and turbidity for common applications like raw water intake, flocculation, sedimentation, desinfection and distribution. Nitrate, Mangan, Iron, Aluminium and Ammonium for special measurements in raw water intake, flocculation, aeration, mixing and 05/28/2004 filtering. Stollm Slide 2 Analysis in drinking and mineral water Water treatment plant - general scheme Sample point Flocculation, sedimentation Filtration Distribution Disinfection 05/28/2004 Stollm Slide 3 Analysis in drinking and mineral water Requirements for drinking water Limit values after drinking water regulation in Europe • pH: 6,5 < pH < 9,5 • turbidity: 1 FNU • DO: 5 mg/l • conductivity: 2,5 mS/cm at 20°C • Ammonia: 0,2 mg/l NH4 0,17 mg/l NH4 -N • Nitrate: 50 mg/l NO3 11 mg/l NO3 -N • Nitrite: 0,1 mg/l NO2 0,03 mg/l NO2 -N • Fluoride: 1,5 mg/l F • Iron: 0,2 mg/l Fe • Aluminium: 0,2 mg/l Al • Manganese: 0,05 mg/l Mn 05/28/2004 Stollm Slide 4 Analysis in drinking and mineral water Analytical measurements in a water work Lime Sodium chlorite Water Air dryer Cooling- water Limit switch lime milk Water Water Aluminium- Ozone - sulphate generator Reservoir Chlorine- Inflow dioxide Lime milk Chlorine Outflow Mixer Flocculation Gravel- Settling- filter Settling basin Collecting basin basin Backflushing Ozonisation pH Chlorine Chlorine dioxid Conductivity Turbidity Redox 05/28/2004 Stollm Slide 5 Analysis in drinking and mineral water Standard processes Tu, pH, Manganese, Iron Aluminium 05/28/2004 Stollm Slide 6 Analysis in drinking and mineral water Standard processes Cl, cond Cond, pH, Cl 05/28/2004 Stollm Slide 7 Analysis in drinking and mineral water Specific processes DO, pH, Manganese, Iron 05/28/2004 Nitrate Stollm Slide 8 Analysis in drinking and mineral water Panel for chlorine, pH and ORP measurement CCE1 for chlorine measurement, potable water (pH in the range of 6 to 8 varying; pH compensation needed) • CCM253EP transmitter version • Sensor CCS141-N 0..5mg/l • Sensor CPS31-1EC2ESA • pH adapter-cable for CCE/CPS31: 51513423 • CCE1 pH adapter-cable 51513423: special designed cable for use with CCE-station (mechanically best adapted, TOP68-connector). Please use instead of CPK9 with CCE! 05/28/2004 Stollm Slide 9 Analysis in drinking and mineral water Panel CCE1 for chlorine and pH Liquisys M CCM253 Chlorine, temperature. Options: Cable Trunking pH (or ORP) Sensor CPS31 Process connection: Sensor CCS14x pipe 3/4“ male thread or tube 12/6mm Water outlet with pipe adapter Water inlet Back pressure valve with pipe adapter Filter 0,5 mm Vessel for pH/ORP calibration 05/28/2004 DPD sample outlet Stollm Slide 10 Analysis in drinking and mineral water Flow assembly CCA250 potential electrodes for matching pin pH and ORP sensor for free chlorine or chlorine dioxide inductive proximity switch flow meter inlet outlet mark 30 l/h needle valve closing cap with calibration cup 05/28/2004 Stollm Slide 11 Analysis in drinking and mineral water Sensor for Cl2/ClO2 CCS140 Cl 0,05-20mg approx. 25nA at 1mg 2 Cl CCS141 2 0,01-5mg approx. 80nA at 1mg CCS240 ClO 0,05-20mg approx. 300nA at 1mg 2 ClO CCS241 2 0,01-5mg approx. 700nA at 1mg 05/28/2004 Stollm Slide 12 Analysis in drinking and mineral water Membrane cells CCS140/240/141/241 Measuring range: 0,05…20mg/l for CCS140/240 0,01…5mg/l for CCS141/241 Units: mg Cl2/l /mg ClO2/l Duration of Polarisation: 30min ( CCS140/240 ) 45 min ( CCS141/241 ) Min. flow rate: 15 cm/s ( 30l/h for CCA250) Temperature range: 2..45°C (CCS141)/ 10..45°C(CCS140) Drift: < 1,5% /month pH Range: 4…8 (CCS140)/4…8,2(CCS141) No influence when measuring chlorine dioxyde (CCS 240/241) 05/28/2004 Max. pressure: 1bar Stollm Slide 13 Analysis in drinking and mineral water Liquisys M - modular Chlorine transmitter • High accuracy measurement • User friendly • menu with clear text in 6 languages • programable alarm • cleaning trigger via alarm or limit contact • simple calibration procedures • Safty first CCM223 • like "live check“, SCS , process check • plausibility check at calibration • overdosing plausibility check • Service friendly • modular construction • no dismantling or rewiring • current output simulation • Fit for all jobs • two circuit instrument with pH possible • dosing control, PID, feed-forward • limit contacts • P(ID) - controller • Chemoclean cleaning system • Communication CCM253 • profibus PA 05/28/2004 • HART Stollm • 1 or 2 Current outputs Slide 14 Analysis in drinking and mineral water Liquisys M Chlorine version parameter area of application EK Cl2 chlorine measurement with stable pH value ClO2 chlorine dioxide meas. (pH value without influence) as EK, with added features: ES Cl2 manual pH compensation for free chlorine, sensor and ClO2 process check system, table for current output, alarm or limit contact as cleaning trigger as ES, with additional parameters: Cl2 + pH chlorine meas. with variable pH value with pH compens. EP ClO2 + pH chlorine dioxide measurement with pH measurement Cl2 + ORP chlorine meas. with stable pH and ORP as a monitoring measurement ClO2 + ORP chlorine dioxide measurement with ORP as a monitoring measurement (pH value without influence) 05/28/2004 Stollm Slide 15 Analysis in drinking and mineral water Process and Sensor monitoring signal 20 mg/l alarm ! upper alarm threshold expected value error lower alarm correct measuring value threshold 0 mg/l time alarm ! Alarm threshold monitoring CCM2x3-ES/EP (Cl2 / pH / ORP) free selectable (none, one, both) and adjustable detects signal drift due to sensor errors gives a safer measurement for applications with or without dosing of chemicals 05/28/2004 Stollm automatic dosing stop selectable Slide 16 Analysis in drinking and mineral water Process and Sensor monitoring max. dosing period signal alarm ! 20 mg/l real chlorine content/pH calue in the medium correct measuring value error reading setpoint reading real chlorine content/pH valuet in the medium 0 mg/l time max. non-dosing period alarm ! Controller monitoring CCM2x3-ES/EP (Cl2 / pH ) free selectable (none, both) and adjustable detects deviation of process concentration due to sensor errors 05/28/2004 gives a safer measurement for controlled applications with dosing of chemicals Stollm Slide 17 automatic dosing stop selectable Analysis in drinking and mineral water Process and Sensor monitoring detection period signal alarm ! 20 mg/l correct measuring value error 0 mg/l time Sensor activity monitoring CCM2x3-ES/EP (Cl2 / pH / ORP) free selectable (on, off) detects invariable signal due to sensor passivity 05/28/2004 gives a safer measurement for applications with or without dosing of chemicals Stollm automatic dosing stop selectable Slide 18 Analysis in drinking and mineral water Gel-filled pH electrode CPS31 or CPS71 CPS31 CPS71 • Gel-filled combination Electrode with low maintenance • Waterproof, TOP68 plug-in head (IP 68) • Ceramic diaphragm • Pressure-tight without counterpressure • Extended service time through long reference cartridge • Long life time, low maintenance • Also with Pt 100 05/28/2004 Stollm Slide 19 Analysis in drinking and mineral water Gel-filled ORP electrode CPS32 or CPS72 CPS32 CPS72 • Gel-filled combination Electrode with low maintenance • Gold pin • Waterproof TOP 68 plug-in head (IP 68) • Ceramic diaphragm • Pressure-tight up without counterpressure • Extended service time through long reference cartridge • Long life time, low maintenance 05/28/2004 Stollm Slide 20 Analysis in drinking and mineral water Liquisys M - modular pH/ORP transmitter • High accuracy measurement • User friendly • menu with clear text in 6 languages • programable alarm • one bottom calibration • two point calibration • cleaning trigger via alarm or limit contact CPM223 • Safty first •"live check“, SCS , process check • plausibility check at calibration (pH) • check of membrane and diaphragm • Service friendly • modular construction • no dismantling or rewiring • current output simulation • Fit for all jobs • limit contacts • P(ID), neutralisation - controller • Chemoclean cleaning system CPM253 • Communication 05/28/2004 •Profibus PA, HART Stollm • 1 or 2 Current outputs Slide 21 Analysis in drinking and mineral water CUS31 turbidity sensor • Measurement according ISO7027/EN2702 • Digital signal processing and measurement • Wide measurement range • Measurement in FNU • Plug and play • Plausibility and self checks • Factory calibration referenced to Formazine • Rough, chemical resistant PVC housing • Scratch-proof saphire windows • Check unit 05/28/2004 Stollm Slide 22 Analysis in drinking and mineral water Flow through assemblies CUS31-xxA/S Material: PVC Temperature up to 50 °C Pressure up to 6 bar For glueing on DN20 PVC pipes Optional mount wall support S-version No initial calibration necessary due to factory calibration S-version with de-gasing system A-version for media without gas bubbles 05/28/2004 A-version Stollm Slide 23 Analysis in drinking and mineral water Flow through assemblies with de-gasing CUS31 05/28/2004 Stollm Slide 24 Analysis in drinking and mineral water Liquisys M - modular turbidity transmitter • High accuracy measurement • User friendly • menu with clear text in 6 languages
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