Integration of a hot oxygen burner with pyrolysis processes

Integrating pyrolysis with a hot oxygen burner gasification system optimizes syngas production by increasing char loading, reducing liquid yield, and handling contaminants, addressing inefficiencies in existing systems for enhanced economic and environmental performance.

WO2026136072A1PCT designated stage Publication Date: 2026-06-25PRAXAIR TECH INC +1

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
PRAXAIR TECH INC
Filing Date
2025-12-10
Publication Date
2026-06-25

AI Technical Summary

Technical Problem

Existing pyrolysis and gasification systems fail to maximize the yield of syngas per mass of biomass fed, are inefficient with lower quality feedstocks, and struggle with contaminants and fines, leading to suboptimal economic and environmental performance.

Method used

Integrate a pyrolysis process with a hot oxygen burner (HOB) gasification system, optimizing pyrolysis to increase char loading, reduce liquid yield, and bypass fines, while tolerating contaminants, to enhance syngas production.

Benefits of technology

Significantly increases syngas yield per mass of biomass, improves economic efficiency by utilizing lower quality feedstocks, and reduces greenhouse gas emissions, offering a more sustainable and profitable biofuel production process.

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Abstract

The present invention relates to a method and system for integration pyrolysis with gasification to increase the yield of saleable products from biomass feedstocks. By modifying the pyrolysis system to produce byproducts and reduce liquid yield, in conjunction with a hot-oxygen burner gasifier, the overall conversion efficiency of syngas per mass of biomass fed into the system is increased.
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