SUEZ Lyonnaise des Eaux - Adapting compost production methods and reducing the odor impact of the site with the RQ Box solution case study

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Courtesy of Alpha MOS Environment

The site

  • Covered composting facility located at Lur Bizia, France
  • 15 000 tons of sewage sludge treated per year
  • 5000 tons of compost produced per year
  • Compost meets the specifications of French standard NFU 44-095
  • 2 air treatment lines at 35 000 m3/h
  • Air treatment by scrubber and biofilter

Challenges

  • To limit the odor impact of the site on the neighborhood:
    • adaptation of compost production methods
    • optimization of the air treatment process
  • To be alerted in case of malfunction of the deodorization system

Solution

  • RQ Box solution for odor and gaseous pollutants monitoring, including:
    • a gas sampler-dryer at the exit of the deodorization facility
    • a RQ Box electronic nose for measuring :
      • odors (ouE.m~3according to the EN 13725 standard)
      • process gases: NH3/ mercaptans, VOC
    • a wireless communication system
    • RQ Net software for results acquisition and display
  • Daily record of site operations

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