Zobrazeno 1 - 10
of 120
pro vyhledávání: '"Maria G. Rasteiro"'
Publikováno v:
Applied Sciences, Vol 13, Iss 8, p 4880 (2023)
The incorporation of carbon nanotubes (CNTs) in the process of chemical stabilization of soft soil is only possible when they are dispersed adequately in the medium. The maximum compressive strength (qu max) and the secant undrained Young’s modulus
Externí odkaz:
https://doaj.org/article/278dbed1de04401f9f10af70693b4e9f
Publikováno v:
Polymers, Vol 14, Iss 16, p 3309 (2022)
Cationic polyacrylamides (CPAMs) are usually used as filler retention agents in papermaking formulations. However, increasing environmental restrictions and their non-renewable origin have driven research into bio-based alternatives. In this context,
Externí odkaz:
https://doaj.org/article/b87477bce284476d890e934ab309ebb5
Publikováno v:
Frontiers in Chemistry, Vol 8 (2020)
In wastewater treatment, flocculation is a widely used solid/liquid separation technique, which typically employs a charged polymer, a polyelectrolyte (PEL). Polyelectrolytes features, such as charge type, charge density and molecular weight, are ess
Externí odkaz:
https://doaj.org/article/45e10b22cd2a456d977ba847bf786dce
Autor:
Solange Magalhães, Alexandra Filipe, Elodie Melro, Catarina Fernandes, Carla Vitorino, Luís Alves, Anabela Romano, Maria G. Rasteiro, Bruno Medronho
Publikováno v:
Polymers, Vol 13, Iss 7, p 1090 (2021)
Lignocellulosic biomass fractionation is typically performed using methods that are somehow harsh to the environment, such as in the case of kraft pulping. In recent years, the development of new sustainable and environmentally friendly alternatives
Externí odkaz:
https://doaj.org/article/49eec1ba24e644079a8b25d960de7934
Autor:
Kinga Grenda, José A. F. Gamelas, Julien Arnold, Lorenzo Pellizzer, Olivier J. Cayre, Maria G. Rasteiro
Publikováno v:
Polymers, Vol 13, Iss 1, p 25 (2020)
Modification of cellulosic-rich materials for the production of cellulose-based polyelectrolytes (PELs) can bring several benefits, such as high biodegradability and low or no toxicity, for numerous applications, when compared with the use of traditi
Externí odkaz:
https://doaj.org/article/4b7c1cc85bac4285825b1c70a4057d1c
Autor:
Eduardo Ferraz, Luís Alves, Pedro Sanguino, Julio Santarén, Maria G. Rasteiro, José A. F. Gamelas
Publikováno v:
Polymers, Vol 13, Iss 1, p 129 (2020)
Palygorskite is a natural fibrous clay mineral that can be used in several applications, for which colloidal stability in aqueous suspensions is a key point to improve its performance. In this study, methods of magnetic stirring, high-speed shearing,
Externí odkaz:
https://doaj.org/article/02be6b73571c4f798edefdee3512c79a
Publikováno v:
Applied Sciences, Vol 10, Iss 22, p 7950 (2020)
Soil “health” is becoming an increasing concern of modern societies, namely, at the European level, considering its importance to the fields of food, clean water, biodiversity, and even climate change control. On the other hand, human activities
Externí odkaz:
https://doaj.org/article/c39271257abd4f0182a8e15b13f2795e
Publikováno v:
Applied Sciences, Vol 10, Iss 7, p 2355 (2020)
Understanding the behaviour of suspension flows continues to be a subject of great interest considering its industrial relevance, regardless of the long time and effort dedicated to it by the scientific and industrial communities. Information about s
Externí odkaz:
https://doaj.org/article/b2110943818644789bdc536e2bb1c192
Publikováno v:
KONA Powder and Particle Journal, Vol 32, Iss 0, Pp 41-56 (2014)
In spite of the widespread application of settling suspensions, their inherent complexity has yet to be properly predicted by a unified numerical model or empirical correlation, and usually industries still possess customized charts or data for their
Externí odkaz:
https://doaj.org/article/716e1b8374b34fefb91d132f1d8c0257
Publikováno v:
KONA Powder and Particle Journal, Vol 29, Iss 0, Pp 67-80 (2014)
Despite decades of research, the study of suspension flows still continues to be a subject of great scientific interest. In the development of accurate models for suspension-related processes, prior knowledge of several flow characteristics is essent
Externí odkaz:
https://doaj.org/article/f681a911162043338e7fc90583948465