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Title | Digestate potential to substitute mineral fertilizers: Engineering approaches |
Authors |
Ablieieva, Iryna Yuriivna
![]() Geletukha, G.G. Kucheruk, P.P. Enrich-Prast, A. Carraro, G. Berezhna, Iryna Oleksiivna ![]() Berezhnyi, Dmytrii Mykhailovych ![]() |
ORCID |
http://orcid.org/0000-0002-2333-0024 http://orcid.org/0000-0001-9606-4241 http://orcid.org/0000-0002-0751-4835 |
Keywords |
anaerobic digestion climate change life cycle assessment soil degradation sustainable land management waste utilization industrial diversification |
Type | Article |
Date of Issue | 2022 |
URI | https://essuir.sumdu.edu.ua/handle/123456789/87882 |
Publisher | Sumy State University |
License | Creative Commons Attribution 4.0 International License |
Citation | Ablieieva I. Yu., Geletukha G. G., Kucheruk P. P., Enrich-Prast A., Carraro G., Berezhna I. O., Berezhnyi D. M. (2022). Digestate potential to substitute mineral fertilizers: Engineering approaches. Journal of Engineering Sciences, Vol. 9(1), pp. H1–H10, doi: 10.21272/jes.2022.9(1).h1 |
Abstract |
The study aims to define the potential and technological aspects of the digestate treatment for its
application as a biofertilizer. Life cycle assessment methodology was used in terms of digestate quality management.
The potential of nutrients, organic carbon, and useful microelements in the digestate allows for its consideration as a
mineral fertilizer substitute and soil improver. The valorization of digestate as fertilizer requires quality management
and quality control. Based on the research focus, the successful soil application of digestate post-treatment technologies
was analyzed. Among the different commercial options for digestate treatment and nutrient recovery, the most relevant
are drying, struvite precipitation, stripping, evaporation, and membranes technology. Comparing the physical and
chemical properties of the whole digestate, separated liquid, and solid liquor fractions showed that in the case of soil
application of granular fertilizer, nutrients from the digestate are released more slowly than digestate application
without granulation. However, realizing this potential in an economically feasible way requires improving the quality
of digestate products through appropriate technologies and quality control of digestate products. To support the
manufacture of quality digestate across Europe, the European Compost Network developed a concept for a panEuropean quality assurance scheme. |
Appears in Collections: |
Journal of Engineering Sciences / Журнал інженерних наук |
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