1. Comprehensive biomass characterization in preparation for conversion 2. Biomass carbonization technologies 3. Physicochemical characterization of biochar derived from 4. Biochar characterization for water and wastewater treatments 5. Biochar adsorption system designs 6. Techno-economic analysis of biochar in wastewater treatment 7. Retention of oxyanions on biochar surface 8. Arsenic removal from household drinking water by biochar and biochar composites: A focus on scale-up 9. Application of biochar for the removal of actinides and lanthanides from aqueous solutions 10. Microplastic removal from water and wastewater by carbon-supported materials 11. Sorptive removal of pharmaceuticals using sustainable biochars 12. Dye removal using biochars 13. Biochar as a potential agent for the remediation of microbial contaminated water 14. Biochar-based constructed wetland for contaminants removal from manure wastewater 15. Biochar and biochar composites for oil sorption 16. Biochar and biochar composites for poly- and perfluoroalkyl substances (PFAS) sorption 17. Simple modeling approaches to monitor and predict organic contaminant adsorption by biochar 18. Nanoscale zero-valent iron-decorated biochar for aqueous contaminant removal 19. An insight into the sorptive interactions between aqueous contaminants and biochar 20. Nanobiochar for aqueous contaminant removal 21. Life cycle analysis of biochar use in water treatment plants 22. Optimizing biochar adsorption relative to activated carbon in water treatment 23. Biochar-assisted advanced oxidation processes for wastewater treatment