Synergy effects during the co-gasification of coal and biomass were assessed via a congress-mass TGA mode.
Potassium species in biomass ash is a direct consequence of synergy during co-gasification.
Potassium transfer from biomass to coal surface occurs during co-pyrolysis/gasification.
No inhibition effect was observed in this study.
Low-ash coal and K-rich biomass was the best combination to achieve synergy.