Abstract：
:The role of the hydrolytic stage in high solids temperature phased anaerobic digestion was investigated with a mixture of cattle slurry and maize silage with variable ratios (100, 70 and 30% volatile solids coming from cattle slurry). It was incubated for 48 h at 37, 55, 65 and 72 °C. Soluble chemical oxygen demand and biochemical methane potential were measured at 0, 24 and 48 h. Higher temperatures improved the amount of solubilized COD, which confirmed previously reported results. Nevertheless, solubilization mostly took place during the first 24 h. The rate of methane production in post-hydrolysis BMPs increased after 48 h hydrolysis time, but not after 24 h. The first order kinetic constant rose by 40% on average. No correlation was observed between soluble COD and downstream methane production rate, indicating a possible modification of the physical structure of the particulate solids during the hydrolytic stage.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Buffière P,Dooms M,Hattou S,Benbelkacem Hdoi
10.1016/j.biortech.2018.03.037subject
Has Abstractpub_date
2018-07-01 00:00:00pages
111-118eissn
0960-8524issn
1873-2976pii
S0960-8524(18)30375-4journal_volume
259pub_type
杂志文章abstract：:The aim of this study was to investigate the salinity uptake by natural zeolite when used as an ingredient during the composting process. The amounts of 5% and 10% of natural zeolite were applied to poultry litter as volume and compared with the compost made with no amendment. The results clearly showed that the salin...
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