ArticleNature communications2026
Electrochemical artificial humification for sustainable waste biomass valorization and soil remediation.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
Waste biomass valorization is critical for sustainability. In nature, biomass is converted into humic substances via humification, a key component of global biogeochemical cycles. Here, authors develop a rapid electrochemical artificial humification (EAH) method: unlike natural and microbially mediated humification which take days to years, EAH matures in 60 minutes. Mechanistically, biomass degrades, with quinone-like radicals generated at the anode and H* at the cathode driving primary amine formation, and these intermediates undergo polymerization to form macromolecular artificial humic-like substances (AHLS) whose molecular, elemental and physicochemical traits resemble natural humic substances (NHS). AHLS shows potential as slow-release fertilizers and oxidizing agents, with uses in saline-alkali soil remediation, pollutant removal and nutrient slow release. Techno-economic analysis highlights EAH's advantages in land use efficiency and short-distance transportation which makes it particularly suitable for land-scarce megacities, while life cycle assessment shows it outperforms landfilling and composting in mitigating greenhouse effects and acidification. This work advances waste-to-resource tech, offers soil fertility and environmental strategies, and meets the core need for scalable, circular sustainability solutions.
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