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Characterization of biomasses in the southern Italy regions for their use in thermal processes

TitoloCharacterization of biomasses in the southern Italy regions for their use in thermal processes
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2014
AutoriMolino, Antonio, Nanna F., and Villone A.
RivistaApplied Energy
Volume131
Paginazione180-188
ISSN03062619
Parole chiavealternative fuel, Alternative to fossil fuels, Aluminum chloride, ash, Ash handling, bioenergy, Biomass, Calcium, carbon, Characterization, Chemical composition, Chemical compositions, Climatic conditions, Energy mix, Fly ash, Gasification, Global warming, heavy metal, Heavy metal contents, Heavy metals, Hydrogen, Italy, Magnesium, Manganese, Mixtures, Moisture, moisture content, Nitrogen, nutrient cycling, Physical-chemical properties, Physicochemical property, Potassium, quantitative analysis, renewable resource, silicon, Sodium, soil profile, Soils, sulfur, Sustainable resources, Syn-gas
Abstract

The attention regarding bioenergy sources, such as biomass, as an alternative to fossil fuels has increased tremendously over the past few years consequently to the problems related to global warming. For the using of biomass as fuel is very important the basic knowledge of its physical-chemical properties for the using of the sustainable resource. The identification of biomasses in terms of both quantification and characterization of the chemical composition of biomass is a fundamental step for the use of this fuel for energy purposes. There are many differences between the various types of biomass; firstly, the moisture, the chemical composition and in particular that of the ashes, and the content of inorganic substances. The elements mainly present in biomass, in decreasing order of abundance are: carbon, oxygen, hydrogen, nitrogen, calcium, potassium, silicon, magnesium, aluminum, sulfur, iron, potassium, chloride, sodium and manganese. In addition, compared to coal, the chemical composition of biomass is significantly different, in particular the biomasses are highly enriched in hydrogen, manganese, potassium, phosphorus, chlorine, calcium, sodium and magnesium, as well as in terms of moisture and volatile substances compared to coal, while result with a lower ash content, iron, carbon, nitrogen, sulfur, and silicon. The purpose of this work is the quantification and characterization of different types of biomass found in the regions of the southern Italy with similar soil and same climatic conditions, at the end of their use in mixtures in an optical of build several ultrashort bioenergetical chains. Experimental results have shown that the heavy metal content is significantly lower in the fly ash than the bottom ash, and therefore, their mixture may be used as a soil improver to maintain the cycle of nutrients in soils. © 2014 Elsevier Ltd.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-84903885766&doi=10.1016%2fj.apenergy.2014.06.013&partnerID=40&md5=0a8e35b789248af2762b8f50b86dab5c
DOI10.1016/j.apenergy.2014.06.013
Citation KeyMolino2014180