A comparison of the performance of bacterial biofilters and fungal–bacterial coupled biofilters in BTEp-X removal 1School of Environmental Engineering, Gansu Forestry Polytechnic, Tianshui, China 2Department of Printing and Packaging Engineering, Shanghai Publishing and Printing College, Shanghai, China DOI 10.7717/peerj.17452 Academic Editor Paripok Phitsuwan Subject Areas Environmental Sciences, Ecotoxicology, Environmental Contamination and Remediation, Environmental Impacts Keywords...