Production of humic substances from cotton stalks biochar by fungal treatment with Ceriporiopsis subvermispora. (February 2016)

• Record Type: Journal Article
• Authors: Placido, Jersson; Capareda, Sergio; Karthikeyan, Raghuparty
• Is Part Of: Sustainable energy technologies and assessments. Volume 13(2016)
• Page Start: 31
• Page End: 37
• Publication Date: 2016-02
• Subjects: Biochar -- Biodepolymerization -- Ceriporiopsis subvermispora -- Ligninolytic enzymes -- Humic substances; Renewable energy sources -- Periodicals; Energy development -- Technological innovations -- Periodicals; Electric power production -- Periodicals; Energy storage -- Periodicals; 333.79
• DOI: 10.1016/j.seta.2015.11.004
• Languages: English
• ISSNs: 2213-1388

Abstract

Abstract: This study evaluated the biodepolymerization of biochar from cotton stalks gasification using four fungal strains Phanerochaete chrysosporium, Ceriporiopsis subvermispora, Postia placenta, and Bjerkandera adusta . After the biological treatment, the liquid and solid phases were analyzed using UV–Vis and FT-IR spectroscopy. The biochar's largest depolymerization was obtained by C. subvermispora . The depolymerization kinetic of C. subvermispora showed the production of laccase and manganese peroxidase and a correlation between the depolymerization and the production of ligninolytic enzymes. The highest production of ligninolytic enzymes and depolymerization was observed after 24 days. The modifications in the UV–Vis and FT-IR spectra exhibited the presence of functional groups related with humic substances from cultures with C. subvermispora and cotton stalks biochar.