Abstract
Hydrolytic, acetogenic and methanogenic bacteria are required for the conversion of refuse to methane in landfills. In order to identify sources of these trophic groups in refuse, the total anaerobic population and the sub-populations of cellulolytic, hemicellulolytic, butyrate catabolizing acetogenic, and acetate- and H 2-CO 2-utilizing methanogenic bacteria as present on grass, leaves, branches, food waste, whole refuse and two landfill cover soils were enumerated by the most probable number (MPN) technique. Total anaerobes ranged from 10 3cells per dry gram in cover soil to 10 9in grass, food waste and fresh refuse. Hemicellulolytics ranged from 160 cells per dry gram in cover soil to 10 9in grass. The highest cellulolytic population was measured on branches (316 cells per dry gram), while the maximum acetogenic population was measured on leaves (2.5×10 4). The highest methanogen populations were measured on leaves (6.3×10 3) and one of two fresh refuse samples (10 5). Yard waste was the major carrier of the trophic groups required for refuse decomposition, while the cover soils tested did not represent major inputs of the requisite bacteria to landfills.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
