Abstract：
:The effect of starch addition on the microbial composition and the biological conversion was investigated using two upflow anaerobic sludge bracket (UASB) reactors treating methanolic wastewater: one reactor was operated with starch addition, and another reactor was operated without starch addition. Approximately 300 days of operation were performed at 30 kg COD/m(3)/d, and then, the organic load of the reactors was gradually increased to 120 kg COD/m(3)/d. Successful operation was achieved at 30 kg COD/m(3)/d in both reactors; however, the methanol-fed reactor did not perform well at 120 kg COD/m(3)/d while the methanol-starch-fed reactor did. The granule analysis revealed the granule developed further only in the methanol-starch-fed reactor. The results of the microbial community analysis revealed more Methanosaeta cells were present in the methanol-starch-fed reactor, suggesting the degradation of starch produced acetate as an intermediate, which stimulated the growth of Methanosaeta cells responsible for the extension of granules.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Kobayashi T,Yan F,Takahashi S,Li YYdoi
10.1016/j.biortech.2011.05.084subject
Has Abstractpub_date
2011-09-01 00:00:00pages
7713-9issue
17eissn
0960-8524issn
1873-2976pii
S0960-8524(11)00791-7journal_volume
102pub_type
杂志文章abstract：:Rice hulls (RH) and bean hulls (BH) were subjected to prehydrolysis treatments, to define the optimum conditions for producing a high percentage of hydrolyzed hemicellulose with a small or moderate degradation of the cellulosic portion. The hydrolysis experiments were performed using hydrochloric and sulfuric acids in...
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