Biochar has shown to be an effective adsorbent for environmental heavy metal remediation. Modifying the surface of biochar with negatively charged functional groups improves the electrostatic adsorption of the positively charged heavy metal ions. In the present research we have used three distinct methods to introduce thiol groups on the surface of biochar samples derived from different sources of biomass. We will present the physicochemical, electronic microscope, and X-ray photoelectron surface analysis data of all the thiolated biochar samples. Our study evaluates the effect of chemical methods and experimental conditions on the extent of surface functionalization of the biochar.

Studying the effect of different thiolation methods on functionalizing biochar surface from various sources

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