Journal
CHEMSUSCHEM
Volume 10, Issue 5, Pages 912-920Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cssc.201601555
Keywords
circular economy; municipal solid waste; residue derived fuel; urea; waste prevention
Funding
- Maire Tecnimont group
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The economics and environmental impact of a new technology for the production of urea from municipal solid waste, particularly the residue-derived fuel (RdF) fraction, is analyzed. Estimates indicate a cost of production of approximately is an element of 135 per ton of urea (internal rate of return more than 10%) and savings of approximately 0.113 tons of CH4 and approximately 0.78 tons of CO2 per ton of urea produced. Thus, the results show that this waste-to-urea (WtU) technology is both economically valuable and environmentally advantageous (in terms of saving resources and limiting carbon footprint) for the production of chemicals from municipal solid waste in comparison with both the production of urea with conventional technology (starting from natural gas) and the use of RdF to produce electrical energy (waste-to-energy). A further benefit is the lower environmental impact of the solid residue produced from RdF conversion. The further benefit of this technology is the possibility to realize distributed fertilizer production.
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