Biomass gasifiers used during the Second World War suffered from major drawbacks, particularly tar-rich gas production. Modern multi-stage systems address these issues but are complex and require high-quality fuels such as wood, limiting their use for waste biomass like hay or straw. We developed a simple gasifier based on fundamental physical principles, characterized by high power density and operation at relatively low temperatures (400--500 ∘C). This enables the gasification of low-quality biomass without ash melting or sintering, producing a gas similar to town gas. A computational fluid dynamics (CFD) model was developed to support the experimental analysis, focusing on flow behavior and overall biomass conversion trends.
Compact high-density gasifier for waste biomass
Botsula, Daria
;Grassmann, Hans
;Cobal, Marina
;Sharma, Parsu Ram
2026-01-01
Abstract
Biomass gasifiers used during the Second World War suffered from major drawbacks, particularly tar-rich gas production. Modern multi-stage systems address these issues but are complex and require high-quality fuels such as wood, limiting their use for waste biomass like hay or straw. We developed a simple gasifier based on fundamental physical principles, characterized by high power density and operation at relatively low temperatures (400--500 ∘C). This enables the gasification of low-quality biomass without ash melting or sintering, producing a gas similar to town gas. A computational fluid dynamics (CFD) model was developed to support the experimental analysis, focusing on flow behavior and overall biomass conversion trends.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
