ERG (Air Pollution Control) Ltd

- Syngas and Biogas Cleaning

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Whether the requirement is for cleaning tars from biogases generated from a hot gasification process, or sulphurous compounds or VOCs from biofuels generated from an anerobic digestion process, V-tex can be the solution.

  • Gasification of waste bio-materials (eg, wood chips) produces a hot fuel gas that is cooled and cleaned and then fed into an engine driving a power generator. As the gas is cooled the tars present begin to condense (usually 90-120°C) forming viscous sticky liquids that cause fouling.  V-tex offers the power plant engineer a self-cleaning, high-efficiency, compact heat-exchanger that will remove all condensibles ahead of his blower or compressor.
  • Biofuel gases can be produced from sewage works, landfill sites and by the anaerobic digestion of organic waste materials. These gases are cool so contain fewer condensibles. Instead, they contain other compounds that can foul blowers, compressors or engines including sulphurous compounds (eg. H2S, mercaptans) or VOCs (eg. styrenes, xylenes). Once again, the power plant engineer needs a self-cleaning, high-efficiency, compact reactor that will remove these compounds from the fuel gas. V-tex can remove any of these by careful selection of scrubbing-liquor.

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ERG is an exclusive licenced distributor in the UK for the bioscrubbing technology from Danish firm BioGasclean

BioGasclean A/S develops, manufactures and markets biological biogas desulphurisation plants, using proprietary bacterial gas scrubbing technology.

Gas cleaning for anaerobic digestion

Biogasis from anaerobic digestion is cleaned for hydrogen sulphide (H2S) down to 250ppm, thus preventing the formation of corrosive sulfuric acid during combustion. This ensures that the biogas can be combusted in high efficient gas engines. By using a BioGasclean bioscrubber engine efficieny and lifetime are raised, and maintenance costs and sulphur dioxide emissions are reduced.

The leading gas engine manufacturers know that the engine operation on biogas will only be successful if the gas quality is superior. A Biogasclean scrubber is the best proved solution with over 100 industrial scale plants installed worldwide.

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Generating electricity from waste is an expanding industry. A key method fuels engine driven generating sets with gas derived from various sources by either hot or cold processes. To ensure good engine life and reliability the fuel gas needs to be clean. Our V-tex equipment provides a reliable and flexible way of ensuring the gas is clean.

Hot gasification fuels

Gasification of waste bio-materials (eg,wood chips) produces a hot fuel gas that is cooled and cleaned before being fed into an engine driving a power generator. As the gas is cooled the tars present begin to condense (usually 90-120°C) forming viscous sticky liquids that cause fouling. V-tex offers the power plant engineer a selfcleaning, high-efficiency,compact heat-exchanger that will remove all condensibles ahead of his blower or compressor.

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Cold gas fuels

Biofuel gases can be produced from sewage works, landfill sites and by the anaerobic digestion of organic waste materials. These gases are cool so contain fewer condensibles. Instead, they contain other compounds that can foul blowers, compressors or engines including sulphurous compounds (eg. H2S, mercaptans) or VOCs (eg. styrenes, xylenes). Once again, the power plant engineer needs a self-cleaning, high-efficiency, compact reactor that will remove these compounds from the fuel gas.V-tex can remove any of these by careful selection of scrubbing-liquor.

V-tex is a highly efficient scrubbing technology which provides solutions to issues such as these and offers many other benefits as well as protecting your storage tanks.

  • V-tex scrubs at very high efficiencies at all gas flow rates, even where variations in flow rate occur. This means you can optimise your engine performance without worrying
  • about the gas-cleaning.
  • V-tex is proven to successfully capture acids, alkalis, polar VOC's and tars
  • V-tex gives scrubbing efficiencies of >99.9% for acid and alkali gases
  • Using V-tex can lead to considerable cost savings due to the reduced loss of product through evaporation
  • All V-tex units are made in materials of construction that are suitable for the fuel-gas being treated

Fuel gas quality

Engine or turbine downtime

  1. Cleaner gas means greater generator availability;
  2. Cleaner gas means fewer maintenance stops
  3. Cleaner gas means lower maintenance costs
  4. V-tex removes tars, H2S, BXT, etc
  5. V-tex means cleaner gas.

Safety

  • Due to the constant, intense mass transfer that V-tex generates during its scrubbing operation its efficiency is not affected by variations in gas flow rates.
  • As V-tex cannot block, pressure-relief and vacuum-relief are automatic

Low standing costs

  • As V-tex can start-up instantaneously it has no standing costs associated with its emergency operation
  • Due to the way V-tex operates, having no moving parts and using no packing to achieve its high gas removal efficiency, it requires virtually no maintenance.

Low installation costs

  • V-tex is compact and lightweight thus making it easy to retrofit -either at ground level or on top of the storage tank.

  • Acid/Alkali gas scrubbing
  • De-dusting
  • De-odourising
  • Gas quenching
  • Emergency gas scrubbing
  • Tank vent scrubbing
  • Air stripping
  • Steam stripping
  • Fuel gas cleaning
  • Halogen scrubbing
  • Particulate removal
  • Biogas cleaning

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