The paper presents a waste to energy conversion solution using a pyro-air-gasification process applied to biodegradable residues
from meat processing industry integrated with small scale thermodynamic cycle for power generation. The solution of airgasification
at atmospheric pressure is based on experimental research and engineering computation developed during the study.
The input data, such as: waste chemical composition, low/high heating value and proximate analysis, correspond to real waste
products, sampled directly from the industrial processing line. Separate drying as first stage pre-treatment and integrated partial
drying inside the reactor was used. The syngas low heating value of about 4.3 MJ/Nm3
is insured by its combustible fraction (H2
– 12.2%, CO – 19.2%, CH4 – 1.6%). According to syngas composition the thermodynamic cycle was chosen – Otto gas engine.
For a given waste feed-in flow considered in our computation of about 110 kg/h the power output obtained is about 50 kWel. The
global energy efficiency of the unit is about 15%. The results offer answers to energy recovery waste disposal for residues with
characteristics that are not suitable for classic incineration or limit the energy efficiency of the process making it non-economical
(the average humidity of the raw waste is about 42% in mass). The research focused on waste to energy conversion process
energy efficiency, waste neutralization and power generation.