Removal of dichloromethane from waste gases using a fixed-bed biotrickling filter and a continuous stirred tank bioreactor

  1. Bailón Allegue, Laura
  2. Dopico, Yolanda
  3. Nikolausz, Marcell
  4. Kästner, Matthias
  5. Veiga, María C.
  6. Kennes, Christian
Libro:
Biotechniques for air pollution control: proceedings of the 2nd International Congress on Biotechniques for Air Pollution Control, A Coruña, Spain, October 3-5, 2007
  1. Kennes, Christian (dir. congr.)
  2. Veiga, María C. (dir. congr.)

Editorial: Servizo de Publicacións ; Universidade da Coruña

ISBN: 978-84-9749-258-4

Año de publicación: 2007

Páginas: 505-514

Congreso: International Congress on Biotechniques for Air Pollution Control (2. 2007. A Coruña)

Tipo: Aportación congreso

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Resumen

A laboratory scale fixed bed biotrickling filter (BTF) and a continuous stirred tank bioreactor (CSTB) have been studied and compared for the elimination of dichloromethane from waste gases. The DCM removal efficiency in the trickling filter was > 85% for inlet loads up to 25 g.m-3.h-1 and a maximal removal capacity of about 170 g.m-3.h-1 was achieved at a load of 350 g.m-3.h-1. The continuous stirred tank bioreactor showed removal efficiencies > 90% for inlet loads up to 120 g.m-3.h-1. At this load the maximal removal capacity of the system was reached, i.e. about 100 g.m-3.h-1. Thus, higher maximum elimination capacities were reached in the BTF while higher removal efficiencies were obtained at high loads with the CSTB. Both systems presented good stability against overloads.

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