Processes and systems for conversion of animal manure to thermal gas and biochar

A process for converting animal manure into purified thermal gas and biochar addresses inefficiencies in existing technologies by utilizing thermal and catalytic reactions, achieving efficient energy and material production with reduced emissions.

WO2026096439A1 Publication Date: 2026-05-07W2E RENEWABLE SOLUTIONS INC
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Patent Information

Application Number
PCT/US2025/052804
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-10-27
Filing Date
2025-10-28
Publication Date
2026-05-07

AI Technical Summary

Technical Problem

Existing technologies struggle to efficiently convert animal manure into useful energy and materials due to challenges such as unhydrolyzed lignocellulosic components, difficult microorganism environments, and stoichiometric imbalances, leading to incomplete degradation and high greenhouse gas emissions.

Method used

A process involving drying, pelletizing, thermal reacting, and catalytic conversion of animal manure to produce a purified thermal gas, biochar, and other valuable products, including electricity and hydrogen, through a series of thermal and catalytic reactions.

Benefits of technology

The process efficiently converts animal manure into useful energy and materials, reducing greenhouse gas emissions and producing multiple revenue streams, while being more efficient and environmentally friendly than anaerobic digestion.

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Abstract

Processes and systems are disclosed for converting animal manure into useful energy and materials. Some variations provide a process for converting animal manure into a purified thermal gas, comprising: drying a starting animal manure in a manure dryer; pelletizing the dried animal manure to generate manure pellets; thermally reacting the manure pellets in a thermal reactor to generate an intermediate thermal gas and a solid biochar; separating out the solid biochar; condensing the intermediate thermal gas to generate a cooled thermal gas; compressing the cooled thermal gas to generate a compressed thermal gas; catalytically reacting the compressed thermal gas in a water-gas shift reactor to generate a shifted thermal gas having an adjusted H2 / CO ratio; treating the shifted thermal gas using an acid-gas removal unit to generate a purified thermal gas; removing water and / or light gases from the purified thermal gas; and recovering or further processing the purified thermal gas.
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