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Algae Monitoring Applications

  • Monitoring of Algae in Drinking Water

    The UniLux in-situ fluorometer can be configured to detect a number of key parameters that are of importance to the Water Supply Industry. Primarily, the detection of Chlorophyll a in stored water systems, such as reservoirs, assists in the planning and informs decisions on water abstraction in relation to natural algae blooms that regularly occur throughout the year. As well as Chlorophyll a, these in-situ fluorometers can detect cyanobacterias, such as Phycocyanin and Phycoerythrin, which are often associated with algae groups of a toxic nature. Knowledge of concentrations of algae within the water can assist in determining the loading into water processing plants.

    These in-situ fluorometers are available as single parameter sensors (UniLux), or 3 channel sensors (TriLux).The CTG FastFlow fast repetition rate fluorometer provides information on the physiological state of algae it monitors. As well as providing detailed information on the growth rate of the algae (which can indicate the occurrence of a future algae bloom), it can immediately inform and alarm on toxins that have accidentally or deliberately been introduced into the water systems, as with the FastGuard system. The FastFlow differs from the FastGuard system in that it logs and displays detailed information on the state of the algae monitored for operational requirements.

    By Chelsea Technologies Group based in West Molesey, UNITED KINGDOM.

  • Gas Permeation Analysis

    Dissolved Species Analysis Dissolved species analysis employing Hiden's high sensitivity membrane sampling technology for analysis of respiratory gases, hydrocarbons and sulphides is applied to a wide range of application areas including: Ecolological studies in sea water Bio fuel production from algae Pollution monitoring in river, estuary and reservoir waters Soil core analyses Fermentation

    By Hiden Analytical based in Warrington, UNITED KINGDOM.

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    Algae Monitoring

    By microLAN On-line Biomonitoring Systems based in Waalwijk, NETHERLANDS.

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    Algae monitoring of drinking water reservoir -

    Due to green algae problems in the water reservoir of a drinking water treatment plant, the ALGcontrol was installed to continuously monitor the algae concentrations and possible toxic blue green algae blooms. During almost 4 months the ALGcontrol measured the total chlorophyll and cyano chlorophyll concentrations of the water reservoir. In order to be able to compare these results, second off-line controls were carried out using the ISO 10260 chlorophyll-a quantification (extraction into ethanol, spectrophotometric detection at 665 and 750 nm). The results of the off-line standard lab method show a good correlation with the measurements of the ALGcontrol. The good correlation can be verified as well at high as at low concentrations of total chlorophyll.

    By microLAN On-line Biomonitoring Systems based in Waalwijk, NETHERLANDS.

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