Efficiency of biological and mechanical-biological treatment plants for MSW: The case of Spain
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Title
Efficiency of biological and mechanical-biological treatment plants for MSW: The case of SpainAuthor (s)
Date
2024Publisher
ElsevierISSN
2405-8440Bibliographic citation
Edo-Alcón N, Gallardo A, Colomer-Mendoza FJ, Lobo A. Efficiency of biological and mechanical-biological treatment plants for MSW: The case of Spain. Heliyon. 2024 Feb 15;10(4):e26353. doi: 10.1016/j.heliyon.2024.e26353. PMID: 38404851; PMCID: PMC10884472.Type
info:eu-repo/semantics/articleVersion
info:eu-repo/semantics/publishedVersionSubject
Abstract
Biological and mechanical biological treatment plants combine mechanical and biological
treatments to recover the greatest possible amount of materials from municipal solid waste
(MSW) and biostabilize the organic ... [+]
Biological and mechanical biological treatment plants combine mechanical and biological
treatments to recover the greatest possible amount of materials from municipal solid waste
(MSW) and biostabilize the organic fraction to be landfilled or applied in land. These plants
handle a high percentage of the MSW generated in Europe. This work presents an exhaustive
analysis of the existing plants in Spain which evaluates their typology as well as their performance. In Spain, 137 plants, which receive 13 Mt/year of waste, provide the country with total
coverage. Twenty-two types of plants have been identified and grouped into six categories. There
are four categories that receive mixed MSW: 1) sorting plants; 2) recovery and composting plants;
3) biodrying and recovery plants; and 4) recovery, biomethanation and composting plants and
two that receive separately collected biowaste: 5) composting plants, and 6) biomethanation and
composting plants. In plants that receive mixed waste, around 5% of the total input is recovered
as recyclable materials (662,182 t/year), of which 29% corresponds to plastics, 27% to metals,
and 27% to paper and cardboard. In addition, biostabilized material and/or biogas, and rejects
(45–77% of the input) are obtained. In the biowaste plants, high-quality compost (more than
105,000 t/year), a higher biogas yield (43.60 Nm3
/t⋅year) and a lower proportion of rejects
(around 29%) are obtained. [-]
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