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Yayınlanmış 1 Ocak 2025 | Sürüm v1
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Characterization of the ash samples before and after thermal processing aiming phosphorus extraction and residues valorization

Oluşturanlar

  • 1. Natl Univ Sci & Technol, Fac Chem Engn & Biotechnol, Res Ctr Environm Protect & Ecofriendly Technol UN, POLITEHN Bucharest, 1 Polizu St,1, Bucharest 011061, Romania
  • 2. Univ Porto, Earth Sci Inst Porto Pole, Fac Sci, Dept Geosci Environm & Spatial Plannings, Rua Campo Alegre S-N, P-4169007 Porto, Portugal
  • 3. Constantin Brancusi Univ Targu Jiu, 4 Tineretului St, Targu Jiu, Gorj County, Romania
  • 4. Natl Res Inst GIG PIB, Cent Min Inst, Plac Gwarkow 1, PL-40166 Katowice, Poland
  • 5. Ege Univ, Solar Energy Inst, TR-35100 Bornova, Izmir, Turkiye
  • 6. Swerim AB, Aronstorpsvagen 1, S-97437 Lulea, Sweden

Açıklama

This paper presents the prospect of phosphorus (P) - rich poultry litter manure ash (PLA) used to recover P through microwave heating methods, aiming for residual slag recycling in constructions. The results show the complex composition of the ashes characterized by X-ray fluorescence (XRF), reflected light optical microscopy, X-ray microanalysis (SEM/EDS) and X-ray diffraction (XRD), which explains the differences between the ash types and the operation temperature in the combustion chamber. At the same time, the results present a novel approach of using microwave heating by reducing energy consumption to extract/enrich P from PLA and forming a by-product/residual slag used as a supplementary cementing material. Samples of fly ash (FA) and bottom ash (BA) were collected from two fluidized bed incinerators (G & uuml;res and Beypi in T & uuml;rkiye) operating at 750 degrees C and 850 degrees C within the PHIGO project funded by the 3rd ERA-MIN Program of the European Union Commission.

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