Project Description

Ventilation and Odour Control System for Andigestion at Bishops Cleeve, Gloucestershire

ATS provide ventilation and odour control system

Andigestion Ltd designs and operates commercial scale anaerobic digestion plants for processing industrial and domestic food waste to create renewable energy and nutrient-rich fertilizer.

As part of Andigestion’s bid to deliver a new Anaerobic Digestion (AD) facility for Gloucestershire County Council, ATS were asked to:

  • Design an odour control system for the waste reception building, based on Environment Agency (EA) guidelines of 3 air changes per hour (ac/hr)

  • Provide best value whilst maximizing effectiveness

The core installation challenges for ATS:

To adopt the E.A. guidelines of providing a ventilation/extraction rate of 3 air changes per hour was going to be prohibitive due to the size of the odour control footprint, and the capital costs associated.

ATS therefore needed to work collaboratively with the client to find a way to effectively capture and treat the odours generated from the food waste AD facility.

The odour control system also needed to be capable of treating a wide range of undefined odour compounds often associated with food waste AD facilities.

ATS Approach

The design of the solution involved:

  • Where possible, capture of odours as close as possible to their source
  • Installation of our JETFLO system to significantly increase the efficiency of the ventilation within the building
  • Installation of curtains to contain odour within areas where we could capture it more effectively
  • Odour control system comprising water scrubber and organic

The E.A. were kept informed of our approach, and in particular the fact that we were not going to provide 3 ac/hr for the whole building

Results

  • Capital cost of the solution was approx 1/3 of a 3 ac/hr option
  • Size of OCU significantly reduced
  • Operating costs reduced due to smaller fans and media quantity etc
  • Effectively ventilated building and no odour complaints
  • Acceptance of design by Environment Agency
  • Happy customer

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