July 23, 2025WasteOpen Access

A Review of Pretreatment Strategies for Anaerobic Digestion: Unlocking the Biogas Generation Potential of Wastes in Ghana

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Narrative review evaluates biogas yield improvements via pretreatment types in waste management, suggesting pathways for Ghana's AD systems.

Anaerobic digestion is effective for converting organic waste into methane-rich biogas.
Mechanical and thermal pretreatments significantly enhance substrate availability and biogas production.
Chemical pretreatments can degrade lignin and hemicellulose, yielding over 100% increases in methane.
Hybrid approaches show promise for optimizing anaerobic digestion in resource-limited settings like Ghana.

Darmey et al. (2025) studied this question.

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Narrative review evaluates biogas yield improvements via pretreatment types in waste management, suggesting pathways for Ghana's AD systems.