Abstract：
:The aim of the present research work was to boost biogas production from cattle manure (CM) by adding food waste (FW) and crude glycerin (Gly) from the biodiesel industry as co-substrates. For this purpose, different quantities of FW and Gly were added to CM and co-digested in an induced bed reactor (IBR) at 55 °C. Sonication pre-treatment was implemented in the CM+Gly mixture, applying 550 kJ/kg TS to enhance the biodegradability of these co-substrates. The best results were obtained with mixtures of 87/10/3 (CM/FW/Gly) (w/w) operating at an organic loading rate of 7 g COD/L day, obtaining 92% COD removal, a specific methane yield of 640 L CH4/kg VS and a methane production rate of 2.6L CH4/L day. These results doubled those obtained in the co-digestion of CM and FW without the addition of Gly (330 L CH4/kg VS and 1.2L CH4/L day).
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Castrillón L,Marañón E,Fernández-Nava Y,Ormaechea P,Quiroga Gdoi
10.1016/j.biortech.2013.02.076subject
Has Abstractpub_date
2013-05-01 00:00:00pages
73-7eissn
0960-8524issn
1873-2976pii
S0960-8524(13)00311-8journal_volume
136pub_type
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