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Applied Food Science Journal

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Biological pretreatment of lignocellulosic material for increased biogas production by Anaerobic digestion

3rd International Conference on Food Science and Technology

November 11-12, 2019 | London, UK

Jaron C Hansen

Brigham Young University, USA

Posters & Accepted Abstracts: Appl Food Sci J

Abstract :

Without pretreatment, anaerobic digestion of lignocellulosic material typically converts only one-third of the carbon into biogas which is typically only 60% methane. Physical and chemical pretreatments to increase biogas production from biomass have proven to be uneconomical. The anaerobic thermophile, Caldicellulosiruptor bescii, has been shown to be capable of solubilizing up to 90% of lignocellulose, thus making the carbon accessible for anaerobic digestion. Preliminary experiments show C. bescii is capable of solubilizing a wide range of lignocellulosic materials. Anaerobic digestion readily and rapidly converts the soluble products into biogas with 70-80% methane. Isothermal microbiocalorimetry measurements have provided a thermodynamic understanding of the process. We have applied the pretreatment/anaerobic digestion process to giant king grass, corn mash, corn stover, waste activated sludge (WAS), almond shells and algae and found the biogas yield significantly improved. Results from experiments conducted using isothermal microbiocalorimetry as well as larger-scale 30L and 60L reactor pretreatment/anaerobic digestion experiments will be presented.

 
Google Scholar citation report
Citations : 13

Applied Food Science Journal received 13 citations as per Google Scholar report

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