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Performance of a fixed-bed reactor packed with carbon felt during anaerobic digestion of cellulose [An article from: Bioresource Technology]
Book Details
PublisherElsevier
ISBN / ASINB000RQZTHG
ISBN-13978B000RQZTH2
AvailabilityAvailable for download now
MarketplaceUnited States 🇺🇸
Description
This digital document is a journal article from Bioresource Technology, published by Elsevier in 2004. The article is delivered in HTML format and is available in your Amazon.com Media Library immediately after purchase. You can view it with any web browser.
Description:
The anaerobic digestion of cellulose was assessed in batch and semi-continuous studies using a carbon felt fixed-bed reactor. In the batch operation, the volatile solids reduction (%) and the cumulative methane production during the mesophilic and thermophilic digestion were 52.2% and 15.9%, 96.7 and 49.2 ml/g-total solid fed, respectively. After 99 days of semi-continuous mesophilic digestion, the degradation of cellulose reached its highest level of 67.6% at the hydraulic retention time of 9 days. The methane production and methane concentration of biogas from the bioreactor were maintained at a steady state. The fixed-bed reactor with carbon felt would be suitable for the efficient anaerobic digestion of cellulose. The biomass distribution in the reactor was, in the liquid phase 0.73 g/l-reactor, in the felt 1.59 g/l-reactor, and on the felt surface 9.86 g/l-reactor, which indicated that most of the microbes were immobilized on the carbon felt fixed-bed in the reactor.
Description:
The anaerobic digestion of cellulose was assessed in batch and semi-continuous studies using a carbon felt fixed-bed reactor. In the batch operation, the volatile solids reduction (%) and the cumulative methane production during the mesophilic and thermophilic digestion were 52.2% and 15.9%, 96.7 and 49.2 ml/g-total solid fed, respectively. After 99 days of semi-continuous mesophilic digestion, the degradation of cellulose reached its highest level of 67.6% at the hydraulic retention time of 9 days. The methane production and methane concentration of biogas from the bioreactor were maintained at a steady state. The fixed-bed reactor with carbon felt would be suitable for the efficient anaerobic digestion of cellulose. The biomass distribution in the reactor was, in the liquid phase 0.73 g/l-reactor, in the felt 1.59 g/l-reactor, and on the felt surface 9.86 g/l-reactor, which indicated that most of the microbes were immobilized on the carbon felt fixed-bed in the reactor.
