Thursday, 20 August 2015 11:10

New Publication - Biofiltration of WWTP sludge composting emissions at contact times of 2-10 s by structured/unstructured packing materials

In this paper we evaluate the performance of a biotrickling filter for the abatement of composting emissions at gas contact times of 2–10 s. Performance with a structured packing is compared with Polyurethane Foam as packing material. The effect of the gas contact time, pH control and water make-up flowrate were also evaluated. Results demonstrate that significant NH3 and VOCs removal efficiencies can be achieved for composting emissions in a biotrickling filter operated at short gas contact times, which entails a substantial reduction of operational and investment costs in comparison to traditional techniques. 

This work has been done in collaboration with the reserach group TRAGASOL from UPC (Manresa) as part of a private agreement with ECOTEC, Ecología Técnica S.A.

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