Biogas — Biogas Technology Reference

Quick-reference skill for biogas production, anaerobic digestion processes, and plant design.

When to Use

• Designing or sizing an anaerobic digester
• Selecting and mixing feedstocks for optimal C:N ratio
• Troubleshooting digester performance issues
• Evaluating biogas upgrading to biomethane
• Calculating methane yield from organic waste

Commands

intro

scripts/script.sh intro

Overview of biogas — production process, composition, and applications.

feedstocks

scripts/script.sh feedstocks

Feedstock types, methane potential, and C:N ratios for common substrates.

digester

scripts/script.sh digester

Digester types: CSTR, plug-flow, batch, UASB — design parameters and selection.

process

scripts/script.sh process

Four stages of anaerobic digestion: hydrolysis, acidogenesis, acetogenesis, methanogenesis.

parameters

scripts/script.sh parameters

Critical operating parameters: temperature, pH, OLR, HRT, VFA/alkalinity.

upgrading

scripts/script.sh upgrading

Biogas upgrading technologies: PSA, water scrubbing, membrane, amine scrubbing.

troubleshoot

scripts/script.sh troubleshoot

Common digester problems: foaming, acidification, low yield — causes and fixes.

economics

scripts/script.sh economics

Biogas plant economics: CAPEX, OPEX, revenue streams, payback calculations.

help

scripts/script.sh help

version

scripts/script.sh version

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