Abstract：
:Different pre-treatment severities by thermo-alkaline conditions (100°C, Ca(OH)2) on press mud were evaluated for different pre-treatment time and lime loading. COD solubilization and the methane yield enhancement were assessed. The biochemical methane potential was determined in batch assays under mesophilic conditions (37±1°C). The best pre-treatment resulted in a surplus of 72% of methane yield, adding 10g Ca(OH)2 100g(-1)TS(-1) for 1h. Pre-treatment also increased the COD solubilization, but the optimal severity for COD solubilization as determined by response surface methodology did not ensure the highest methane production. Inhibitory effects on anaerobic digestion were noticed when the severity was increased. These results demonstrate the relevance of thermo-alkaline pre-treatment severity in terms of both lime loading and pre-treatment time to obtain optimal anaerobic biodegradability of lignocellulosic biomass from press mud.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
López González LM,Vervaeren H,Pereda Reyes I,Dumoulin A,Romero Romero O,Dewulf Jdoi
10.1016/j.biortech.2012.12.167subject
Has Abstractpub_date
2013-03-01 00:00:00pages
250-7eissn
0960-8524issn
1873-2976pii
S0960-8524(12)02025-1journal_volume
131pub_type
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