Abstract
The research done in this paper is focused on the properties of eight char samples that were produced by a pilot scale reactor: Spirajoule® located in France. This reactor converted different biomass and waste feedstock into three phase’s products: syngas, tars, and chars. In some cases, chars are considered as co-products without added value. However, they present numerous potential applications. Thus, this research is conducted precisely on the characterization of eight chars originating from biomass (waste wood, sawdust, miscanthus wood, and grape marc) and from waste (tires, municipal, and industrial RDF). Four property domains were studied in this research: physicochemical properties (moisture content, pH, skeletal density, and TGA), texture and morphology (SEM/EDX and BET specific surface area), surface chemistry (FTIR), and structure (XRD). Our results showed that the properties of these chars match the properties required in some applications such as soil amendment, catalyst, and water and gas treatment.
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