Muratcobanoglu, HamdiGokcek, Oznur BegumMuratcobanoglu, FatmaMert, Ruhullah AliDemirel, Sevgi2024-11-072024-11-0720220960-85241873-2976https://doi.org/10.1016/j.biortech.2022.127163https://hdl.handle.net/11480/15044The present research investigated the impact of reduced graphene oxide (rGO) addition on the semi-continuous anaerobic digestion of the organic fraction of municipal solid waste (OFMSW) in the range of 0.5-10 gVolatileSolid(VS)/L(reactor)day organic loading rates (OLR). Adding rGO enhanced the rate and yield of biomethane production, and the maximum biomethane increment rate was obtained as 110% at an OLR of 4.0 gVS/L(reactor)day. However, after increasing the OLR to 6 gVS/L(reactor)day, there was a dramatic decrease in biomethane production because of volatile fatty acid (VFA) accumulation. Methanotrix is the predominant archaeal genus at OLRs lower than 6 gVS/L(reactor)day in reactors (89-97%). An increment in biomethane production was associated with the higher abundance of the Methanothrix genus in the rGO-supported reactor (rG) than in the control reactor (rC).eninfo:eu-repo/semantics/closedAccessBiogasConductive materialDirect interspecies electron transferWaste managementArticle35410.1016/j.biortech.2022.127163354295952-s2.0-85129494951Q1WOS:000860017700002Q1