Abstract

This article presents the thermophysical properties and adsorption characteristics of high grade activated carbons (ACs) derived from waste biomass. The thermophysical properties include surface area, pore volume, pore size distribution, and thermal conductivity. The adsorption characteristics of ethanol and CO2 onto biomass-derived ACs are experimentally investigated for a wide range of temperatures and pressures for adsorption heat pump and CO2 capture applications. The porous properties and adsorption performance analysis confirmed that these ACs are superior to any other ACs reported in open literature. Moreover, these ACs are low-cost and made from renewable precursor materials, namely waste palm trunk (WPT) and mangrove (M). The presented information is an invaluable resource for the students, academics and industrial scientist interested in characterizing new ACs for various energy conversion and conservation applications.

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