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Journal Article

Journal article

Enhancement of biomethane production from cattle manure with codigestion of dilute acid pretreated lignocellulosic biomass  [2017]

Abdul; Saboor; Samiullah; Khan; et al.

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It is well known that dilute sulfuric acid pretreatment of the lignicellulosisc biomass is an effective approach used for the production of the ethanol. However, there are less studies on the biogas production from the pretreated lignocellulosics and hardly data available on the codigestion of cattle manure with the pretreated lignocellulosisc material. The aim of this study was to evaluate biomethane production potential of codigestion of cattle manure with dilute acid pretreated lignocellulosic biomass. Sugarcane bagasse and rice husk was pretreated with dilute sulfuric acid or phosphoric acid at 121°C for 20 minutes and subsequently subjected to anaerobic digestion alone or codigested with cattle manure. The results showed that codigestion of 1% phosphoric acid pretreated rice husk with cattle manure led to the highest methane production of 115 Nmlg ⁻¹VS while monodigestion of cattle manure and phosphoric acid pretreated rice husk produced 98 and 87 Nmlg ⁻¹VS, respectively. An inhibition was observed in anaerobic digestion of sulfuric acid pretreated rice husk and sugarcane bagasse during monodigestion and codigestion with cattle manure. The study concludes that dilute phosphoric acid pretreated lignocellulosics like sugarcane bagasse and rice husk can be used as a cosubstrate with cattle manure in anaerobic digestion for enhanced methane production. Dilute sulfuric acid pretreatment, which is effective method for the bioethanol production, ca
uses inhibition during anaerobic digestion of the pretreated lignocellulosics.

From the journal

International journal of green energy

ISSN : 1543-5083