(cest2017_00935) Air gasification of paper, cardboard and plastic waste

摘要

The research presents the results of paper, cardboard andplastics waste mixture air gasification. The experimentswere carry out in a lab-scale rotary kiln reactor. The mainoperating process parameters were: feeding rate 1 kg/h,operating temperatures 800°C and 900 °C using air asgasifying agent, Equivalent Ratio (ER) ranging between0.2-0.3. The gas yields increases with the increasing oftemperature and gasifying agent (ER=0.3), reaching up to1.99 m3N/kg, at 800°C, and 2.1 m3N/kg, at 900 °Crespectively. The syngas composition was analyzed withboth Testo instrument and GS-MS. Considering theoperating conditions, the main composition of thecombustible gas was: N2 (48-56%), CO_2(13-16%),CO (11-14%), CH4(5-8%), H2 (9-10%). The solid yields, decreasewith the increase of temperature and ER, varying between14-17% from the initial feedstock. The minimum energyconversion efficiency is achieved at ER=0.25 while themaximum one is achieved at ER=0.3 for bothtemperatures.