Steady‐ and transient‐state operation of a two‐stage bioreactor for the treatment of a gaseous mixture of hydrogen sulphide, methanol and α‐pinene

Eldon R. Rene; M. Estefanía López; María C. Veiga; Christian Kennes

doi:10.1002/jctb.2343

journal article Jan 12, 2010

Steady‐ and transient‐state operation of a two‐stage bioreactor for the treatment of a gaseous mixture of hydrogen sulphide, methanol and α‐pinene

Eldon R. Rene M. Estefanía López María C. Veiga

Christian Kennes

Journal of Chemical Technology & Biotechnology Vol. 85 No. 3 pp. 336-348 · Wiley

View at Publisher Save 10.1002/jctb.2343

Abstract

AbstractBACKGROUND: A two‐stage bioreactor, comprising a biotrickling filter (BTF) as the first stage and a biofilter (BF) as the second stage, operated under steady‐ and transient‐state conditions, was tested to remove gas‐phase hydrogen sulphide, methanol and α‐pinene.RESULTS: Hydrogen sulphide and methanol were removed in the first stage, while α‐pinene, was removed predominantly in the second‐stage fungal BF. The effect of the liquid trickling rate was evaluated in the BTF, while concentration‐dependent synergistic and antagonistic interactions in both reactors were assessed by varying the concentration of one pollutant, and by maintaining 100% removal of other pollutants. Increasing the liquid trickling rate decreased methanol removal significantly, from > 93% to 40%. Increasing the concentration of hydrogen sulphide from low to high loading rates did not affect the removal of volatile organic compounds (VOCs), however, the reverse occurred. Under all the conditions tested, α‐pinene removal in the second‐stage biofilter still remained higher than 80%.CONCLUSIONS: The results show the maximum elimination capacities achievable for this complex ternary mixture, under a wide range of operating conditions. Copyright © 2010 Society of Chemical Industry

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Details

Published: Jan 12, 2010
Vol/Issue: 85(3)
Pages: 336-348
License: View

Authors

E

Eldon R. Rene

IHE Delft Institute for Water Education

Cite This Article

Eldon R. Rene, M. Estefanía López, María C. Veiga, et al. (2010). Steady‐ and transient‐state operation of a two‐stage bioreactor for the treatment of a gaseous mixture of hydrogen sulphide, methanol and α‐pinene. Journal of Chemical Technology & Biotechnology, 85(3), 336-348. https://doi.org/10.1002/jctb.2343

Steady‐ and transient‐state operation of a two‐stage bioreactor for the treatment of a gaseous mixture of hydrogen sulphide, methanol and α‐pinene

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