Chemical Looping Combustion of Petcoke Using Two Natural Ores in a 10 kW_th Continuous Pilot Plant: A Performance Comparison

Chemical looping combustion (CLC) technology has emerged as one of the most important clean fossil fuel technologies, because it allows for sequestration CO2 with a minimal increase in energy requirements and demand comparison to traditional plants. In framework Chinese–European Emission-Reducing Solutions project, core CLC process is being developed 3 MWth system prototype demonstration an operational environment using petcoke fuel. One main objectives selection oxygen carrier will impact design sizing unit well nominal power unit. Two minerals, ilmenite T1 LY Mn ore, high potential well-performing were tested 10 kWth continuous pilot The collected fines analyzed by scanning electron microscopy X-ray fluorescence analysis characterize compositional morphological evolution particles during operation. performance both carriers was compared respect solid conversion, capacity transfer, particle lifetime circulation. A higher methane conversion can be obtained ilmenite, while better at converting petcoke. Where reduction concerned, observed that ore initial R0?X value (R0?X = 0.8), which leads shorter activation period T1, requires longer reach its full potential. however more sensitive attrition than under similar operating conditions, critical characteristic large-scale deployment. Finally, key parameters identified operation, including reactor temperature, flow rate, rate.