Fecha de publicación: -- Fuente: WIPO "tomato" The present provides a process for upgrading carbonaceous waste material for producing one or more humic substances and extracting one or more inorganic components, which process comprises: mixing a feedstock in an aqueous medium in a weight ratio from 01:1.0 to 1:1; processing the aqueous mixture at a selected temperature and pressure for a predefined time, in the presence of an oxidizing agent, to achieve partial cracking, oxidation and polymerization of carbon components of the waste material to obtain a processed mixture comprising the one or more humic substances dissolved/solubilized in the aqueous medium, and the one or more inorganic materials; and separating the processed mixture into a liquid fraction comprising the dissolved/solubilized humic substances and a solid fraction comprising the one or more inorganic components.