Thermochemical Transformation of Municipal Household Solid Waste Fractions into Bio-Oils and Bio-Adsorbents

Version 1 : Received: 28 March 2024 / Approved: 1 April 2024 / Online: 2 April 2024 (12:25:15 CEST)
Version 2 : Received: 16 August 2024 / Approved: 16 August 2024 / Online: 16 August 2024 (17:14:02 CEST)

How to cite: Borges, H. R.; Assunção, F. P. D. C.; Pereira, D. O.; Hamoy Guerreiro, L. H.; Da Paz, S. P. A.; Santos, M. C.; Corrêa, O. A.; Ferreira, J. F. H.; De Castro, D. A. R.; De Sousa Brandão, I. W.; Mendonça, N. M.; Pereira, J. A. R.; Monteiro, M. C.; Duvoisin, Jr., S.; Menezes, A. O.; Borges, L. E. P.; Machado, N. T. Thermochemical Transformation of Municipal Household Solid Waste Fractions into Bio-Oils and Bio-Adsorbents. Preprints 2024, 2024040084. https://doi.org/10.20944/preprints202404.0084.v2 Borges, H. R.; Assunção, F. P. D. C.; Pereira, D. O.; Hamoy Guerreiro, L. H.; Da Paz, S. P. A.; Santos, M. C.; Corrêa, O. A.; Ferreira, J. F. H.; De Castro, D. A. R.; De Sousa Brandão, I. W.; Mendonça, N. M.; Pereira, J. A. R.; Monteiro, M. C.; Duvoisin, Jr., S.; Menezes, A. O.; Borges, L. E. P.; Machado, N. T. Thermochemical Transformation of Municipal Household Solid Waste Fractions into Bio-Oils and Bio-Adsorbents. Preprints 2024, 2024040084. https://doi.org/10.20944/preprints202404.0084.v2

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MDPI and ACS Style

Borges, H. R.; Assunção, F. P. D. C.; Pereira, D. O.; Hamoy Guerreiro, L. H.; Da Paz, S. P. A.; Santos, M. C.; Corrêa, O. A.; Ferreira, J. F. H.; De Castro, D. A. R.; De Sousa Brandão, I. W.; Mendonça, N. M.; Pereira, J. A. R.; Monteiro, M. C.; Duvoisin, Jr., S.; Menezes, A. O.; Borges, L. E. P.; Machado, N. T. Thermochemical Transformation of Municipal Household Solid Waste Fractions into Bio-Oils and Bio-Adsorbents. Preprints 2024, 2024040084. https://doi.org/10.20944/preprints202404.0084.v2

APA Style

Borges, H. R., Assunção, F. P. D. C., Pereira, D. O., Hamoy Guerreiro, L. H., Da Paz, S. P. A., Santos, M. C., Corrêa, O. A., Ferreira, J. F. H., De Castro, D. A. R., De Sousa Brandão, I. W., Mendonça, N. M., Pereira, J. A. R., Monteiro, M. C., Duvoisin, Jr., S., Menezes, A. O., Borges, L. E. P., & Machado, N. T. (2024). Thermochemical Transformation of Municipal Household Solid Waste Fractions into Bio-Oils and Bio-Adsorbents. Preprints. https://doi.org/10.20944/preprints202404.0084.v2

Chicago/Turabian Style

Borges, H. R., Luiz Eduardo Pizarro Borges and Nélio Teixeira Machado. 2024 "Thermochemical Transformation of Municipal Household Solid Waste Fractions into Bio-Oils and Bio-Adsorbents" Preprints. https://doi.org/10.20944/preprints202404.0084.v2

Abstract

This work aims to investigate the effect of process temperature and catalyst content by thermochemical degradation of municipal solid waste (MSW) fraction (organic matter + paper + plastic) on the yield of reaction products (bio-oil, biochar, H2O and gas), physi-cochemical properties and chemical composition of bio-oils, as well as on the morphol-ogy and crystalline phases of biochar in laboratory scale. The organic matter, paper and plastic segregated from the gravimetric composition of total waste sample were subject-ed to the pre-treatments of drying, crushing and sieving. Thermal pyrolysis was per-formed at 400, 450 and 475 °C and 1.0 atmosphere, and catalytic pyrolysis at 450°C and 1.0 atmosphere, using 5.0, 10.0 and 15.0% (wt.) of FCC zeolite, bath mode, using a laboratory-scale borosilicate glass reactor. The bio-oil was characterized for acidic val-ue. The chemical functions present in the bio-oil identified by FT-IR and the composi-tion by GC-MS. Biochar was characterized by SEM/EDS and XRD. Thermal pyrolysis of the MSW fraction shows bio-oil yields between 9.44 and 9.24% (wt), aqueous phase yields between 21.93 and 18.78% (wt), solid phase yields between 67.97 and 40.34% (wt) and gas yields between 28.27 and 5.92% (wt). The bio-oil yield decreased with in-creasing process temperature. For the experiments using FCC, the biochar and gas yields slightly increased with increasing FCC content, while that of bio-oil decreased and the H2O phase remained constant. GC-MS of bio-oils identified the presence of hy-drocarbons and oxygenates, as well as nitrogen-containing compounds including am-ides and amines. The acidity of the bio-oil increased with increasing temperature and with the aid of FCC as a catalyst. The presence of hydrocarbons in bio-oil was identified by the addition of FCC catalyst due to the deoxygenation of carboxylic acids, followed by decarboxylation and decarbonylation reactions, producing aliphatic and aromatic hydrocarbons.

Keywords

MSW; Organic fractions of MSW, Thermochemical process; Characterization of biochar and bio-oil

Subject

Environmental and Earth Sciences, Waste Management and Disposal

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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