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Demonstration of circular biofertilisers and implementation of optimized fertiliser strategies and value chains in rural communities

Project description

Turning food waste into fertiliser

Studies show that food waste is one of the least recovered materials in a community’s solid waste stream. Unfortunately, food waste that decomposes in landfills creates methane, which contributes to climate change. One solution is to turn this waste into fertiliser. With this in mind, the EU-funded RUSTICA project is focussing on fruits and vegetables, aiming to develop the technology to convert organic residues from this sector into novel bio-based fertiliser products. The technical solution consists of five conversion processes (carboxylic acid production, microbial biomass production, electrodialysis, insect breeding and biochar production), which can be combined depending on the available waste streams and integrated with state-of-the-art technologies such as composting.

Objective

The RUSTICA projects provides a technical solution to convert organic residues from the fruit and vegetable sector into
novel bio-based fertiliser products of high quality that address the needs of modern (organic) agriculture. The project’s
ambition goes beyond the simple recovery of nutrients, and also includes the developments of economically viable and
environmentally sustainable alternatives to mineral fertilisers with the same or improved agronomic value. The technical
solution consists of 5 conversion processes (carboxylic acid platform, microbial biomass production, electrodialysis, insect
breeding and biochar production) which can be combined depending on the available waste streams, and integrated with
state-of-the-art technologies such as composting. Synergies between the individual conversion processes will be sought and
optimized to maximize economic and environmental benefits, and the processes will be demonstrated at TRL7. The resulting
ingredients (microbial biomass, mineral nutrient concentrates, insect biomass, insect frass, insect chitin, biochar) will be
combined to obtain tailor made fertiliser products adapted to specific crop needs.
Parallel with this technological innovation and integration, a multi-actor approach guarantees the implementation potential of
the technologies in the agro-food chain, and will lead to sound business models. Several non-technical aspects
(environmental and social LCA, legal framework, expected market developments...) will be evaluated in 4 European regions
and 1 region in Colombia. Stakeholder involvement at each step guarantees the development of marketable end-products
for the fruit and vegetable sector, with a high replication potential to other agricultural sectors. Cooperation with other EUfunded
projects working on nutrient recovery from other waste products will stimulate a joint solution to evolve towards a
sustainable and circular fertiliser management to close nutrient cycles within and between regions

Call for proposal

H2020-RUR-2018-2020

See other projects for this call

Sub call

H2020-RUR-2020-1

Coordinator

KATHOLIEKE UNIVERSITEIT LEUVEN
Net EU contribution
€ 824 000,00
Address
OUDE MARKT 13
3000 Leuven
Belgium

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Region
Vlaams Gewest Prov. Vlaams-Brabant Arr. Leuven
Activity type
Higher or Secondary Education Establishments
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Total cost
€ 824 000,00

Participants (17)