RT journal article
T1 Semicontinuous Temperature-Phased Anaerobic Digestion (TPAD) of Organic Fraction of Municipal Solid Waste (OFMSW). Comparison with single-stage processes
A1 Fernández-Rodríguez, J.
A1 Pérez García, Montserrat
A1 Romero García, Luis Isidoro
A2 Tecnologías del Medio Ambiente
A2 Ingeniería Química y Tecnología de Alimentos
K1 OFMSW
K1 Semicontinuous
K1 Thermophilic
K1 Mesophilic
K1 Temperature Phased Anaerobic Digestion
K1 (TPAD)
AB The optimization of anaerobic digestion of organic wastes is a challenge to maximize energy productionthrough biogas production process. In this study, semicontinuous TPAD (Temperature Phased AnaerobicDigestion) process has been used for the treatment of the Organic Fraction of Municipal Solid Waste(OFMSW) coming from a mechanical–biological-treatment (MBT) plant. TPAD combines the advantagesof operating in different temperature ranges getting better efficiencies of organic matter removal andhigher methane productivities than single-stage anaerobic digestion. In this study, the configuration usedin the overall process was a thermophilic reactor (55–57  C) for the first phase followed by a mesophilicone (35–37  C) for the second phase. Two TPAD conditions have been tested in this paper: 4:10 and 3:6.The first digit means the SRT used in the first thermophilic phase while the second digit is related to theSRT used in the second mesophilic phase. Moreover, the performance of TPAD processes was comparedwith those from single-stage digesters operating at similar SRT (i.e., mesophilic and thermophilic reactorsoperating at 15 days SRT and thermophilic reactor operating at 10 days).The results showed that achievement reached in TPAD 4:10 was better than the corresponding one inTPAD 3:6, obtaining higher productivity of methane (35–45%) and removal of organic matter (6–19%).Moreover, the results indicate that TPAD processes reach higher efficiencies for organic matter removal(16%, 10% and 30% for DOC, CODsoluble and VS, respectively) and higher methane yields (26–60%) thansingle-stage systems operating at similar SRT.
PB ELSEVIER
SN 1385-8947
YR 2016
FD 2016
LK http://hdl.handle.net/10498/22459
UL http://hdl.handle.net/10498/22459
LA eng
DS Repositorio Institucional de la Universidad de Cádiz
RD 12-nov-2026