Abstract
The PRIN (Research Project with Relevant National Interest) project “Biocheaper—biomasses circular holistic economy approach to energy equipments” started in September 2019 and involves several universities: Palermo as the university coordinator, Perugia, Cassino, Enna, Pavia and Bolzano. The main goal of the project is to increase the energy efficiency and reduce the pollutants emissions in small-scale biomass plant for energy (heat and power) production. The project focuses on residual lignocellulosic feedstocks from the agriculture and forestry sector, from energy crops in marginal lands and residues from rivers maintenance. Starting from the selection and characterization of potential feedstocks, the project aims at developing some prototypes for retrofit applications in existing biomass boilers, like a mini-cyclone for the reduction of particulate emissions and an exhaust air-water condensing system for the recovery of water and the reuse in agriculture. This work presents the first results of the project, in particular regarding the selection and the chemical–physical characterization of different biomass, available in different zones of Italy; in particular the authors investigated cardoon chips, carthamus chips, olive and wine pruning, residues from rivers maintenance. Each biomass sample was characterized in terms of moisture content, ashes content, volatile substances, fixed carbon, low and high heating value, content of carbon, nitrogen, hydrogen and main metals.
Highlights
The main target of the PRIN project “Biocheaper—biomasses circular holistic economy approach to energy equipments” is the study of sustainable solid-biomass energy pathways for small-size plants, in order to select the best technologies for the reduction of emissions and for the reuse of byproducts of the energy conversion processes, in the perspective of a circular economy
The characterization of residual biomasses will play an important role in bioenergy production
The first activities of the “Biocheaper” project were performed through the selection and collection of four lignocellulosic biomass typologies and the characterization of the samples to determine their possible applications in small-scale energy plants
Summary
The main target of the PRIN project “Biocheaper—biomasses circular holistic economy approach to energy equipments” is the study of sustainable solid-biomass energy pathways for small-size plants, in order to select the best technologies for the reduction of emissions and for the reuse of byproducts of the energy conversion processes (in agriculture and other sectors), in the perspective of a circular economy. The use of lignocellulosic feedstocks and in particular the residues from agriculture and forestry sectors can reduce greenhouse gas emission and improve the environmental performance of bioenergy conversion systems. Models have been developed for the management of the forest biomass growing in riverbeds, in order to achieve the objective of risk prevention and to plan the production of biomass available for bioenergy production [3]
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