RAFAEL LUQUE ALVAREZ DE SOTOMAYOR2026-01-292026-01-29202010.1039/d0gc01701a2-s2.0-85094950226https://www.scopus.com/inward/record.uri?eid=2-s2.https://ucocris.uco.es/handle/123456789/32510Environmental ChemistryPollutionEnvironmental ChemistryPollutionHydrothermal carbonization of activated sewage sludge over ammonia-treated Fenton sludge to produce hydrochar for clean fuel useresearch article