Enhancement of forest residues for carbon storage
The Res4carbo project was born with the aim of solving the problem of the disposal of residues and waste generated by the wood energy chain. Specifically, the residual wood residue from the sieving of the wood chips, the combustion ash and the gasification char of the wood. Today these elements are a problem for the quality of the fuel on the one hand and a waste that must be disposed of on the other.
Given the chemical-physical characteristics of these elements of interest for the composting and fertilization sector, the feasibility of being able to direct them to composting will be studied.
The project foresees three macro-periods of activity.
The first, "Plan and Do" provides for a period of discussion between partners, sponsoring entities and companies in the supply chain to plan the basic architecture of the platform.
The second, "Check and Action", foresees the planning and execution phase of the woodland construction sites, the experimental activities of material separation, the collection of residues and the study (analysis) of their use as compost.
The third, "Dissemination Activities", provides for the dissemination and presentation of results together with the control, coordination and reporting of the project progress of the phase.
The Res4carbon project is built around the design idea that sees as a general objective the enhancement, from an environmental and economic point of view, of the consumption of the utilizations of the mountain forest areas and of the lowland arboreal belts, as well as of the by-products of the wood-energy chain. The valorisation of the residues is aimed at making an improvement contribution to the soil thanks to the processing of the same residues through the contribution of organic carbon and nutrients.
Along the path of the forest-wood and wood-energy supply chains, waste or residues are generated which currently present a difficult location on the market or consistently constituted by a disposal problem, but which, due to their chemical-physical properties, are used to be valued as a fertilizer / soil conditioner product; specifically these are the following elements:
- Residue from the separation / sieving (of the sieving) of the shredded or chipped material from forest use and river cleaning and management of wooded areas and plantations, mainly whole broad-leaved plants mixed in the lowland context and coniferous cymes in the mountain context;
- Biochar as a residue from the gasification of virgin wood biomass in pellet or wood chip gasification plants;
- unburnt ash as a residue from the combustion of virgin wood biomass in wood chip boilers.
The innovation of the design proposal, presented by the GO, consists in the development of a new management of the operational processes that can lead to the creation of a new product, the result of the characterization and enhancement of by-products and residues / waste generated at multiple levels of the wood-based supply chain. power.
The general objective of innovation is to create an innovative soil conditioner product, obtained by intercepting the various residues available at various levels in the production chain. Product innovation will allow to enhance - from an environmental and economic point of view - the chemical-physical characteristics of the intercepted elements, thanks to the processing, conditioning and mixing of the same. The actions will translate into greater carbon conservation and sequestration, better soil fertility and increased carbon stock capacity which will then be reintroduced in subsequent vegetative cycles in the agro-forest context.
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Sito web del progetto
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Video Youtube progetto Res4carbon
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La Meccanica
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Confagricoltura Treviso
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PEFC
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TESAF - UNIPD
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