Zobrazeno 1 - 10
of 114
pro vyhledávání: '"Octávio Alves"'
Publikováno v:
Reactions, Vol 5, Iss 1, Pp 77-97 (2024)
The present study aims to test several conditions of the thermochemical pretreatment of torrefaction and carbonization to improve the physical and combustible properties of the Portuguese RDF. Therefore, two different types of RDF were submitted alon
Externí odkaz:
https://doaj.org/article/b28ed58cb6c145ce9cdacf6baccf5f79
Publikováno v:
Recycling, Vol 8, Iss 3, p 49 (2023)
During recent years, gasification technology has gained a high potential and attractiveness to convert biomass and other solid wastes into a valuable syngas for energy production or synthesis of new biofuels. The implementation of real gasification f
Externí odkaz:
https://doaj.org/article/ef98bc04ab9a44078d664736ffe812d2
Autor:
Luís Carmo-Calado, Roberta Mota-Panizio, Ana Carolina Assis, Catarina Nobre, Octávio Alves, Gonçalo Lourinho, Paulo Brito
Publikováno v:
C, Vol 9, Iss 1, p 2 (2022)
Rural areas can benefit from the development of biorefineries for the valorization of endogenous feedstocks. In this study, a pre-feasibility assessment of an integrated multi-product biorefinery to produce essential oils and biomethane is carried ou
Externí odkaz:
https://doaj.org/article/a2b3723e1b7f40299f064fccec6cee98
Autor:
Octávio Alves, Luís Calado, Roberta M. Panizio, Catarina Nobre, Eliseu Monteiro, Paulo Brito, Margarida Gonçalves
Publikováno v:
Energies, Vol 15, Iss 21, p 8139 (2022)
Gasification is a promising thermochemical technology used to convert waste materials into energy with the introduction of low amounts of an oxidant agent, therefore producing an environmental impact that is lower when compared to incineration and la
Externí odkaz:
https://doaj.org/article/ca2430e8d9464efc895c31b0a9929e48
Publikováno v:
Energies, Vol 15, Iss 18, p 6600 (2022)
The water-and-waste sector has shown a marked interest in innovative management practices for dewatered sludge. The need to manage increased sludge volumes at rising disposal costs, coupled with the recognition of the potential for on-site energy pro
Externí odkaz:
https://doaj.org/article/a06f47f69cd64f92a737ec9834e9e1c4
Publikováno v:
Environments, Vol 9, Iss 8, p 95 (2022)
Biochar produced during the thermochemical decomposition of biomass is an environmentally friendly replacement for different carbon materials and can be used for carbon sequestration to mitigate climate change. In this paper, current biochar producti
Externí odkaz:
https://doaj.org/article/6f46b213e0524cb886c80795d03c0282
Publikováno v:
International Journal of Occupational and Environment Safety, Vol 2, Iss 2, Pp 50-63 (2018)
Scope & Goals: This article presents a coupled review of scientific literature on environmental impact, as well as occupational safety and health, of gasification plants using residues of sewage sludge and refuse-derived fuel. Methods: The survey, co
Externí odkaz:
https://doaj.org/article/82f0633780f54c8985ee2f83785fbf6c
Autor:
Roberta Mota-Panizio, Luis F. Carmo-Calado, Octávio Alves, Catarina Nobre, J. L. Silveira, Paulo Sérgio Duque de Brito, Margarida Gonçalves
Publikováno v:
Proceedings, Vol 52, Iss 1, p 4 (2021)
The behavior of chars from the carbonization process were studied when the lignocellulosic biomass was incorporated into the waste of electrical and electronic equipment for chlorine removal. Tests were performed at 300°C with a heating rate of 15°
Externí odkaz:
https://doaj.org/article/f682a071f5b74a928d8f457746c30104
Autor:
Luis F. Carmo-Calado, Roberta Mota-Panizio, Gonçalo Lourinho, Octávio Alves, I. Gato, Paulo Sérgio Duque de Brito
Publikováno v:
Proceedings, Vol 52, Iss 1, p 3 (2021)
The technical-economic analysis was carried out for the production of sludge-derived fuel from a municipal wastewater treatment plant (WWTP). The baseline for the analysis consists of a sludge drying plant, processing 6 m3 of sludge per day and produ
Externí odkaz:
https://doaj.org/article/703d4fc38d8743ea97bdd8839a7f099c
Autor:
Octávio Alves, Luís Calado, Roberta M. Panizio, Santa M. Santos, Maria M. Gonçalves, Eliseu Monteiro, Paulo Brito
Publikováno v:
Proceedings, Vol 38, Iss 1, p 9 (2019)
co-gasification experiments with mixtures in various proportions of waste wood (WW) and sewage sludge (SS) were performed in a downdraft gasifier, in order to evaluate process performance and properties of gas and chars. Addition of SS improved the e
Externí odkaz:
https://doaj.org/article/3960b5ff90f74f06afb2d1170a05ed95