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Appl Microbiol Biotechnol

Title:		Applying trait-function relationships for microbial plant decomposition to predict medium longevity in pollution control biofilters
Author(s):		Oliver JP; Schilling JS;
Address:		"Department of Bioproducts and Biosystems Engineering, University of Minnesota, Kaufert Laboratory, 2004 Folwell Ave., St. Paul, MN, 55108, USA. Department of Bioproducts and Biosystems Engineering, University of Minnesota, Kaufert Laboratory, 2004 Folwell Ave., St. Paul, MN, 55108, USA. schillin@umn.edu. Institute on the Environment, University of Minnesota, 325 LES Building, 1954 Buford Ave, St. Paul, MN, 55108, USA. schillin@umn.edu"
Journal Title:		Appl Microbiol Biotechnol
Year:		2016
Volume:		20151121
Issue:		6
Page Number:		2843 - 2853
DOI:		10.1007/s00253-015-7134-8
ISSN/ISBN:		1432-0614 (Electronic) 0175-7598 (Linking)
Abstract:		"Biofilters, bioreactors used for pollution control, can effectively treat a variety of odorous and hazardous emissions, but uncertain medium longevities and associated costs limit biofilter adoption. To improve medium-life estimations for biofilter end-users, litter bags were used to compare decay rates of common biofilter medium types and test the effects of nitrogen (N) enrichment and livestock production emissions on medium decay in a full-scale biofilter over a 27-month period. Generally, 'by-product' media (mulch, corn cobs) decayed faster than hardwood media, with decay of softwood media the slowest. Analysis showed nutrient content was the best predictor of early-stage decay, while carbon fractions and nutrient content best predicted medium longevity. N amendments and N-rich barn emissions were found to hasten medium decay. By identifying decay rates and rate predictors specific for biofilter media, we provide biofilter engineers and farmers with a quantitative way to improve medium selection based on the trade-offs between medium cost and replacement frequency"
Keywords:		Air Filters Air Pollutants/*metabolism Biotransformation Filtration/*methods Time Factors Volatile Organic Compounds/*metabolism Water Pollutants/*metabolism Water Purification Bioreactor Decay rate Litter bag Media Nitrogen;
Notes:		"MedlineOliver, Jason P Schilling, Jonathan S eng Research Support, U.S. Gov't, Non-P.H.S. Germany 2015/11/23 Appl Microbiol Biotechnol. 2016 Mar; 100(6):2843-53. doi: 10.1007/s00253-015-7134-8. Epub 2015 Nov 21"