A combined experimental evaluation of methane production (obtained by anaerobic digestion) and detailed digestate characterization (with physical-chemical, thermo-gravimetric and mineralogical approaches) was conducted on two organic substrates, which are specific to Italy (at regional and national levels). One of the substrates was grape seeds, which have an agricultural origin, whereas the other substrate was vegetable-tanned leather dust, which has an industrial origin. Under the assumed experimental conditions of the performed lab-scale test series, the grape seed substrate exhibited a resulting net methane production of 175.0NmLg volatile solids (VS)−1; hence, it can be considered as a potential energy source via anaerobic digestion. Conversely, the net methane production obtained from the anaerobic digestion of the vegetable-tanned leather dust substrate was limited to 16.1NmLgVS−1. A detailed characterization of the obtained digestates showed that there were both nitrogen-containing compounds and complex organic compounds present in the digestate that was obtained from the mixture of leather dust and inoculum. As a general perspective of this experimental study, the application of diversified characterization analyzes could facilitate (1) a better understanding of the main properties of the obtained digestates to evaluate their potential valorization, and (2) a combination of the digestate characteristics with the corresponding methane productions to comprehensively evaluate the bioconversion process.
Anaerobic digestion of selected Italian agricultural and industrial residues (grape seeds and leather dust): combined methane production and digestate characterization / C., Caramiello; Lancellotti, Isabella; F., Righi; F., Tatàno; Taurino, Rosa; Barbieri, Luisa. - In: ENVIRONMENTAL TECHNOLOGY. - ISSN 1479-487X. - STAMPA. - 34:10(2013), pp. 1225-1237. [10.1080/09593330.2012.743597]
Data di pubblicazione: | 2013 | |
Titolo: | Anaerobic digestion of selected Italian agricultural and industrial residues (grape seeds and leather dust): combined methane production and digestate characterization | |
Autore/i: | C., Caramiello; Lancellotti, Isabella; F., Righi; F., Tatàno; Taurino, Rosa; Barbieri, Luisa | |
Autore/i UNIMORE: | ||
Digital Object Identifier (DOI): | http://dx.doi.org/10.1080/09593330.2012.743597 | |
Rivista: | ||
Volume: | 34 | |
Fascicolo: | 10 | |
Pagina iniziale: | 1225 | |
Pagina finale: | 1237 | |
Codice identificativo ISI: | WOS:000319652200002 | |
Codice identificativo Scopus: | 2-s2.0-84878608963 | |
Codice identificativo Pubmed: | 24191456 | |
Citazione: | Anaerobic digestion of selected Italian agricultural and industrial residues (grape seeds and leather dust): combined methane production and digestate characterization / C., Caramiello; Lancellotti, Isabella; F., Righi; F., Tatàno; Taurino, Rosa; Barbieri, Luisa. - In: ENVIRONMENTAL TECHNOLOGY. - ISSN 1479-487X. - STAMPA. - 34:10(2013), pp. 1225-1237. [10.1080/09593330.2012.743597] | |
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