期刊
BIOTECHNOLOGY ADVANCES
卷 28, 期 4, 页码 531-540出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.biotechadv.2010.04.002
关键词
Biofilms; Biofilters; Biomass accumulation; Biomass control; Clogging; Gas biofiltration; VOCs
资金
- National Natural Science Foundation of China [50778066]
- Ministry of Science and Technology of China [2006BAJ04A13]
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20090161110010]
Uneven distribution and excess accumulation of biomass within gas phase biofilters often result in operational problems such as clogging, channeling, and excessive head loss within biofilter beds, and consequently, the deterioration of performance. In this paper, the characteristics, mechanisms, and patterns of biomass accumulation in gas biofiltration were reviewed, and models for biomass accumulation were also summarized. Strategies for excess biomass control in gas biofiltration, categorized into either physical, chemical, or biological methods were also discussed, with improvements in design and operation of biofilters. Combinations of these approaches are usually necessary in order to maintain a reasonably even distribution and to minimize the accumulation of biomass in gas biofilters. (C) 2010 Elsevier Inc. All rights reserved.
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