AbstractBiogas is one of the alternative fuel  to decrease the consumption of fossil fuel. Raw materials for biogas production can derive from a wide range of organic wastes including lignocellulosic biomass such as rice straw. Lignocellulosic biomass is abundant and renewable. Biogas production can be processed by solid-state anaerobic digestion. Many factors should be considered on SS-AD, including pretreatment of raw material. Therefore, the purpose of this paper is to provide existing knowledge in SS-AD, factors influencing SS-AD, pretreatment of lignocellulosic biomass and identify the preceding researches on the SS-AD.Key words: biogas, solid-state anerobic digestion, lignocellulose, rice straw
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