Commercial Applications of Biological Waste Gas Purification 427

Derek E. Chitwood and Joseph S. Devinny

18.1 Background 427

18.1.1 Needs 427

18.1.2 Biological Treatment 428

18.1.3 Biofilters 429

18.1.4 Biotrickling Filters 432

18.1.5 Applications for Biological Systems 432

18.2 Applications 433

18.2.1 Soil Bed Biofilters (Bohn and Bohn, 1998) 433

18.2.2 Open Compost Biofilter for Treating Odors from a Livestock Facility (Nicolai and Janni, 1998) 433

18.2.3 Open Bed Compost Biofilter for Wastewater Plant Odor Control (Chitwood, 1999) 434

18.2.4 Inorganic Biofilter for Odor Control at a Wastewater Treatment Facility (Dechant et al., 1999) 435

18.2.5 Biofilter Treating Gasoline Vapor at a Soil Vapor Extraction Site (Wright et al., 1997) 435

18.2.6 Biofilter Treating VOC Emissions from an Optical Lens Manufacturer (Standefer et al., 1999) 436

18.2.7 Advanced Biofilter for Controlling Styrene Emissions (Punti, personal communication; Thissen, 1997) 437 References 438

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