RT journal article
T1 Mesophilic anaerobic co-digestion of sewage sludge with glycerine: Effect of solids retention time
A1 Zahedi, S.
A1 Rivero, M.
A1 Solera del Río, María del Rosario
A1 Pérez García, Montserrat
A2 Tecnologías del Medio Ambiente
K1 Anaerobic co-digestion
K1 Biogas
K1 SRT
K1 Mesophilic
K1 Sewage sludge
K1 Glycerine
AB The main objective of this paper is to examine the effect of the increase in organic loading rates (OLRs), byreducing the solids retention time (SRT) from 20 d to 5 d, in single-phase mesophilic anaerobic co-digestion ofsewage sludge with glycerine (1% v/v). It was experimentally confirmed that anaerobic co-digestion of thesebiowastes under steady-state conditions can achieve an 85 ± 5% reduction in volatile fatty acids (VFA) at SRTsof between 20 and 9 d, with a methane production yield of around 0.8 l CH4/l/d. Decreases in the SRT not only allow the sludge stability and biogas production to be maintained, but also lead to an increase in the waste that could be treated and lower operating costs. Therefore, mesophilic anaerobic co-digestion of sewage sludge and glycerin at a SRT lower than 20 d is possible and preferable due to being more economical and environmentally friendly
PB ELSEVIER
SN 0016-2361
YR 2018
FD 2018
LK http://hdl.handle.net/10498/22441
UL http://hdl.handle.net/10498/22441
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 12-nov-2026