{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,7]],"date-time":"2026-03-07T04:05:57Z","timestamp":1772856357424,"version":"3.50.1"},"reference-count":138,"publisher":"MDPI AG","issue":"16","license":[{"start":{"date-parts":[[2025,8,21]],"date-time":"2025-08-21T00:00:00Z","timestamp":1755734400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Energies"],"abstract":"<jats:p>Portugal\u2019s commitment to carbon neutrality by 2050 has intensified the search for renewable energy alternatives, with biomass gasification emerging as a promising pathway for hydrogen production. This comprehensive review analyzes the potential of 39 Portuguese biomass species for gasification processes, based on extensive laboratory characterization data including proximate analysis, ultimate analysis, heating values, and metal content. The studied biomasses encompass woody shrubland species (matos arbustivos lenhosos), forest residues, and energy crops representative of Portugal\u2019s diverse biomass resources. Results indicate significant variability in gasification potential, with moisture content ranging from 0.5% to 14.9%, ash content from 0.5% to 5.5%, and higher heating values between 16.8 and 21.2 MJ\/kg. Theoretical hydrogen yield calculations suggest that Portuguese biomasses could produce between 85 and 120 kg H2 per ton of dry biomass, with species such as Eucalyptus globulus, Pinus pinaster, and Cytisus multiflorus showing the highest potential. Statistical analysis reveals strong negative correlations between moisture content and hydrogen yield potential (r = \u22120.63), while carbon content shows positive correlation with gasification efficiency. The comprehensive characterization provides essential data for optimizing gasification processes and establishing Portugal\u2019s biomass-to-hydrogen production capacity, contributing to the national hydrogen strategy and renewable energy transition.<\/jats:p>","DOI":"10.3390\/en18164453","type":"journal-article","created":{"date-parts":[[2025,8,21]],"date-time":"2025-08-21T15:19:02Z","timestamp":1755789542000},"page":"4453","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Gasification Processes of Portuguese Biomass: Theoretical Analysis of Hydrogen Production Potential"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5404-8163","authenticated-orcid":false,"given":"Leonel J. R.","family":"Nunes","sequence":"first","affiliation":[{"name":"proMetheus, Unidade de Investiga\u00e7\u00e3o em Materiais, Energia e Ambiente Para a Sustentabilidade, Instituto Polit\u00e9cnico de Viana do Castelo, Rua da Escola Industrial e Comercial de Nun\u2019Alvares, 4900-347 Viana do Castelo, Portugal"}]}],"member":"1968","published-online":{"date-parts":[[2025,8,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"116950","DOI":"10.1016\/j.enconman.2023.116950","article-title":"New paradigms in sustainable energy systems with hydrogen","volume":"283","author":"Dincer","year":"2023","journal-title":"Energy Convers. 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