Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Rogério Simões"'
Autor:
Josivaldo Satiro, Antonio G. dos Santos Neto, Talita Marinho, Marcos Sales, Idayana Marinho, Mário T. Kato, Rogério Simões, Antonio Albuquerque, Lourdinha Florencio
Publikováno v:
Applied Sciences, Vol 14, Iss 14, p 6083 (2024)
The optimization of wastewater treatment technologies using biological processes is no longer limited to improving the removal of organic matter and nutrients, as it is possible to reduce area and energy consumption, and recover value-added by-produc
Externí odkaz:
https://doaj.org/article/06f7ee4095494572914d3f1fe730fc08
Autor:
Álvaro Vaz, João Coelho, Vera Costa, Thaddeus Maloney, Josphat Phiri, Paula Pinto, António Mendes de Sousa, Rogério Simões
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-12 (2023)
Abstract Hardwood vessel elements generate problems in industrial uncoated wood-free printing paper operation, causing vessel picking and ink refusal. These problems are mitigated using mechanical refining at the cost of paper quality. Vessel enzymat
Externí odkaz:
https://doaj.org/article/73d1342425964db1aadfe90ebb339c53
Publikováno v:
Marine Drugs, Vol 21, Iss 11, p 589 (2023)
Crude polysaccharides extracted from the Codium sp. and Osmundea sp. macroalgae collected in different seasons (winter, spring and summer) from the Galician and North Portugal coasts were characterised, aiming to support their biomedical application
Externí odkaz:
https://doaj.org/article/4e5b64c276a0494ca437f85bbba42e0b
Publikováno v:
Applied Sciences, Vol 12, Iss 12, p 5799 (2022)
The microalgae–bacteria consortium is a promising and sustainable alternative for industrial wastewater treatment, since it may allow good removal of organic matter and nutrients, as well as the possibility of producing products with added value fr
Externí odkaz:
https://doaj.org/article/831faf66189443e2afb2f871a2004988
Autor:
Esperanza García-Gonzalo, António J. A. Santos, Javier Martínez-Torres, Helena Pereira, Rogério Simões, Paulino José García-Nieto, Ofélia Anjos
Publikováno v:
BioResources, Vol 11, Iss 1, Pp 1892-1904 (2016)
Predicting paper properties based on a limited number of measured variables can be an important tool for the industry. Mathematical models were developed to predict mechanical and optical properties from the corresponding paper density for some softw
Externí odkaz:
https://doaj.org/article/1a719db8fb7741868929a695e57dab86
Autor:
Jorge Gominho, Ana Lourenço, Duarte Neiva, Luís Fernandes, Maria Emília Amaral, Ana Paula Duarte, Rogério Simões, Helena Pereira
Publikováno v:
BioResources, Vol 10, Iss 4, Pp 7808-7816 (2015)
The wood of a mature (40-year-old) Eucalyptus globulus Labill tree was characterized at different stem height levels (0%, 10%, 35%, and 50% of total height) regarding pulping, bleaching, and paper properties. Pulp yields increased upwards from 46% to
Externí odkaz:
https://doaj.org/article/a704d59b49864c02ab5542f2eab6e3b0
Autor:
Ofélia Anjos, Esperanza García-Gonzalo, António J. A. Santos, Rogério Simões, Javier Martínez-Torres, Helena Pereira, Paulino José García-Nieto
Publikováno v:
BioResources, Vol 10, Iss 3, Pp 5920-5931 (2015)
Paper properties determine the product application potential and depend on the raw material, pulping conditions, and pulp refining. The aim of this study was to construct mathematical models that predict quantitative relations between the paper densi
Externí odkaz:
https://doaj.org/article/b741570340074ef69bc32f9853f654c0
Publikováno v:
BioResources, Vol 9, Iss 4, Pp 6735-6744 (2014)
A total of 120 Acacia melanoxylon R. Br. (Australian blackwood) stem discs, belonging to 20 trees from four sites in Portugal, were used in this study. The samples were kraft pulped under standard identical conditions targeted to a Kappa number of 15
Externí odkaz:
https://doaj.org/article/294b4b5312b64b1bb82c582005a05b5a
Autor:
António J. A. Santos, Ofélia Anjos, Maria Cristina Morais, Graça Diogo, Rogério Simões, Helena Pereira
Publikováno v:
BioResources, Vol 9, Iss 3, Pp 4764-4774 (2014)
Wood samples of Cupressus arizonica, C. lusitanica, and C. sempervirens were evaluated for chemical, anatomical, and pulp characteristics as raw material for pulp production. Two 17-year-old trees per species were harvested, and wood samples were tak
Externí odkaz:
https://doaj.org/article/85f884e96e354814b5a99948f1cf02ef
Publikováno v:
BioResources, Vol 9, Iss 3, Pp 4038-4049 (2014)
In this study, Eucalyptus globulus stumpwood samples collected from six different sites in Portugal were evaluated for their ease of pulping, using two delignification processes (kraft and alkaline sulfite-anthraquinone-methanol (ASAM)). Morphologica
Externí odkaz:
https://doaj.org/article/06cb7d2601274189b88bdea79e95cf84