EUBCE 2026 - Luís TARELHO - Producer Gas Characteristics from Gasification of Biomass and Plastic in Fluidized Bed Reactor.

Producer Gas Characteristics from Gasification of Biomass and Plastic in Fluidized Bed Reactor.

Short Introductive summary

The present study compares the characteristics of the producer gas obtained from the gasification of chips from residual biomass from pine (PC), low-density polyethylene (LDPE), and high-density polyethylene (HDPE). Experiments were carried out in a bench-scale bubbling fluidized bed reactor (2 kWth), using air as the gasifying agent, an equivalence ratio of 0.25, and varying both the temperature (800 and 850 °C) and the type and proportion of feedstock. The composition of the resulting producer gas varied significantly depending on the feedstock type and process conditions. In general, increasing temperature enhanced the production of H2 and CO while reducing the concentrations of light hydrocarbons and CO2. The use of plastic as the sole feedstock promoted higher H2 production, reaching up to 16.40 vol.%, thus generating a higher-quality gas . Co-gasification led to the production of a gas with intermediate properties, highlighting the potential of combining residues of different origins to simultaneously optimize process performance and gas quality, thereby promoting an efficient and sustainable conversion of residual materials into useful energy.

M.C. Santos, Universidade de Aveiro, PORTUGAL
L.A.C. Tarelho, Universidade de Aveiro, PORTUGAL
J.P.S. Ameida, Universidade de Aveiro, PORTUGAL
M. Shevchenko, Universidade de Aveiro, PORTUGAL
M.A.A. Matos, Universidade de Aveiro, PORTUGAL