Abstract: Anaerobic digestion of fish waste can be optimized using carbon additives to enhance biogas production and methane content. This study investigated the effects of coconut shell charcoal, rice husk charcoal, metallic compounds (ferric chloride, manganese chloride, cobalt chloride), and metal-impregnated activated carbon on fish waste digestion. Additionally, apple pomace and grape pomace were evaluated as supplemental substrates. Results showed that 5% (w/v).......
Key Word: Anaerobic digestion; Fish waste; Carbon additives; Biogas production; Methane content; Process stability
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