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- Gasification of animal fat using dolomite as particle bed in a downdraft fixed bed reactorPublication . Pilão, R.; Araujo, A.L.; Silva, F.T.; Ribeiro, A.M.; Campos, J.B.L.M.One of the wastes generated in the tanning industry is hide fleshings, which contains 40% of animal fat, currently being deposited in landfills. The objective of this work was to study the catalytic capacity of dolomite in the gasification of this waste. The tests were carried out in a downflow fixed bed reactor using steam as gasification agent and used as bed of particles, alumina, dolomite and a mixture of the two mate-rials. Tests were caried out at 750 ºC and 800 ºC and the gas obtained was quantified and analyzed by gas chromatography. The results obtained showed that dolomite improves the performance of the gasification process, with an increase in carbon and hydrogen conversion efficiencies, cold gas efficiency and dry gas yield with the use of dolomite. It was also possible to verify the catalytic capacity of this material in the cracking of hydrocarbons and its potential in promoting the production of H2. In addition, the use of the mixed bed allowed to improve the results of the gasification parameters obtained at 800 ºC without compromising the degradation of the dolomite verified at higher temperatures.