Abstract
Experimental work on oxygen–steam based entrained flow gasification of Torrefied Karanja Press Seed Cake (TKPSC) has been carried out in order to evaluate the effect of temperature, Equivalence Ratio (ER), Steam to Biomass Ratio (SBR) and Particle Size (Dp) on the syngas composition also, Lower Heating Value (LHV), Cold Gas Efficiency (CGE) and Carbon Conversion (CC). The experimental work was conducted in an entrained flow gasification unit of 1 kg/h federate designed and installed at Indian Institute of Chemical Technology, India. In this work, the temperature was varied from 600 °C to 1100 °C. The ER and SBR values were varied between 0.1 and 1 while, Dp was changed from 0.5 to 3.0 mm. The aim here was to understand the effect of different process parameters and derive relative optimum operating conditions for the entrained flow gasification of the TKPSC. The results obtained show that operating conditions such as temperature of 1100 °C, ER of 0.3, SBR of 0.4 and 0.5 mm Dp were found to be the most relative optimum operating parameters. The highest values of LHV around ∼12 MJ/Nm3, CGE around ∼90% and CC up to 98% were obtained for TKPSC. These values are in agreement with the results reported in the literature on the other biomass waste materials that pocess similar properties to TKPSC.
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