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cyanobacteria Applications

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    algae control in drinking water plants

    By controlling algae, cyanobacteria and fouling LG Sonic can efficiently reduce taste and odor problems in a treatment plant. The performance of a drinking water treatment plant is consistent with the amount ol contamination in the water. Growth of algae and other fouling in and before a treatment plant can cause various problems within the process. In general, these issues are related with taste or odor of the water. Growth of algae, cyanobacteria and bacteria within the basins of the plant itself, increase the demand of chemicals or filtration and in turn creating problems with THM (trihalomethane) formation. Other common issues are growth of toxin and geosmin producing cyanobacteria (blue-green algae) within the intake reservoir or dam. These molecules give the water an unpleasant `earthy ` taste.

    By LG Sonic based in Zoetermeer, NETHERLANDS.

  • Environmental Monitoring - Water Screening for Pollutants - Pesticide Screening

    Water screening for the detection of pollutants owning to large classes of chemical compounds such as triazine, fenylurea, diazine and phenolic pesticides can be performed. The presence of environmental pollutants can be determined utilizing biological materials such as photosynthetic biomediators (Plants, Algae, Cyanobacteria) and enzymes (e.g. Laccase or Tyrosinase). AMPBIO-ITO Light provides amperometric measurements performed on electro-active biological material suspended, deposited or grown on an Indium Tin Oxide (ITO) electrode, before and after the injection of the analyte under test. OPTICBIO-Multicell Survival optical is based on multicell arrays for biological material survival/storage and fluorescence measurement for the control of the physiological activity.

    By Biosensor based in Formello, ITALY.

  • Monitoring of Algal Production / Monitoring of Algae Growth

    Over the past 20 years active fluorescence has been widely adopted by the scientific community, ecosystem managers and crop growers as a rapid and non-invasive method of estimating photosynthetic performance within a wide range of organisms, including phytoplankton (microalgae and cyanobacteria), biofilms, benthic autotrophs (corals, macroalgae and sea grasses) and terrestrial plants. The main rational for applying active fluorescence is that changes in key fluorescence parameters can reveal the early onset of chronic and acute degradation of photosynthetic performance and subsequent growth, e.g. resulting from nutrient deficiency or the presence on one or more toxicants.

    Over the past 15 years we have been developing an active fluorescence technique called Fast Repetition Rate (FRR) fluorometry to monitor algae populations in the open-ocean, primarily to support climate and ocean modelling.

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

  • Production of Biofuels from Microalgae

    Production of biofuels from certain microalgae and cyanobacteria would appear to be the most promising alternative to current methods, since its yield is very high, sustainable, uses either wastewater, brackish or seawater, does not require the use of agricultural land, does not compete with human food and the cultivation process consumes the CO2noxious gas.

    ALGAENERGY is responsibly paving the way towards making microalgal-based biofuels industrially profitable.  The R&D projects assigned to this task include work on selection and genetic engineering of different microalgae to produce substantial lipid-carriers, some of them patented, as well as the establishment of a suitable and scalable production process.

    By AlgaEnergy, S.A. based in Alcobendas, SPAIN.

  • 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.

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