Zobrazeno 1 - 10
of 29
pro vyhledávání: '"João Carvalheiras"'
Autor:
Inês Silveirinha Vilarinho, Tânia Gameiro, Marinélia N. Capela, João Carvalheiras, Ana P. F. Caetano, Catarina Novo, Rui M. Novais, Maria Paula Seabra, João António Labrincha
Publikováno v:
Frontiers in Materials, Vol 9 (2022)
The demand for products derived from the pulp and paper industry has been increasing over the past years and is projected to further increase over the coming decades. Although being one of Portugal’s most relevant industrial activities, contributin
Externí odkaz:
https://doaj.org/article/0adcef0975ae420ba2ae048f523d04e6
Autor:
Elena Surra, João Sousa, Manuela Correia, João Carvalheiras, João A. Labrincha, José C. Marques, Nuno Lapa, Cristina Delerue-Matos
Publikováno v:
Applied Sciences, Vol 13, Iss 7, p 4513 (2023)
The granite sludge (GS) produced during block sawing can be exploited as alternative raw material in ceramic and concrete industries. Based on the case study of a Portuguese granite processing plant, this work analysed, by experimental tests and Envi
Externí odkaz:
https://doaj.org/article/aa3bd76ee793457caafb359907df22aa
Publikováno v:
Applied Sciences, Vol 10, Iss 9, p 2995 (2020)
Reduction of the energy consumption and CO2 emissions by the building sector might be a huge driver to mitigate climate change. One promising approach to mitigate energy consumption is the use of lightweight and low thermal-conductivity materials tha
Externí odkaz:
https://doaj.org/article/d2d59bd72f2e4c1998800b074ec5af87
Publikováno v:
Materials; Volume 15; Issue 21; Pages: 7486
The chemical foaming technique is possibly the most common method of producing porous geopolymers. Despite this, to date, the role of the content and type of surfactant on the pore size distribution of porous geopolymers is not fully perceived, as co
Autor:
Luís A.C. Tarelho, Rui M. Novais, João Carvalheiras, Catarina L. Correia, João A. Labrincha, Maria Paula Seabra, Isabel Capela, Tânia Gameiro
Publikováno v:
Bioprocess and Biosystems Engineering. 44:1167-1183
In anaerobic digestion processes, pH has a vital role due to the direct impacts on the microbial community. An eco-friendly approach has been applied to control pH in anaerobic bioreactors, using waste-containing fly ash geopolymer spheres (GS) inste
Autor:
Robert C. Pullar, Maria Paula Seabra, João Carvalheiras, João A. Labrincha, Rui M. Novais, Farzin Mohseni, João S. Amaral
Publikováno v:
Ceramics International. 46:5757-5764
Hexagonal ferrites can be employed in a multitude of applications, the most common hexaferrites are the M ferrites such as BaFe12O19 (barium hexaferrite, BaM). It is known that if Fe3+ is substituted with a combination of Ti4+/Co2+ the coercivity of
Publikováno v:
Applied Clay Science. 232:106770
Autor:
Rui M. Novais, Robert C. Pullar, Maria Paula Seabra, David M. Tobaldi, João A. Labrincha, João Carvalheiras
Publikováno v:
Journal of Cleaner Production. 207:350-362
In this work, and for the first time, fly ash (FA)-based geopolymer (d = 2.6 mm) spheres were used to extract methylene blue from synthetic wastewaters. The influence of sorption time, dye initial concentration and adsorbent amount on the dye removal
Autor:
Daniela Carolina Paz-Gómez, Inês Silveirinha Vilarinho, Silvia M. Pérez-Moreno, João Carvalheiras, José Luis Guerrero, Rui Miguel Novais, Maria Paula Seabra, Guillermos Ríos, Juan Pedro Bolívar, João António Labrincha
Publikováno v:
Sustainability; Volume 13; Issue 23; Pages: 13455
Arias Montano. Repositorio Institucional de la Universidad de Huelva
instname
Sustainability, Vol 13, Iss 13455, p 13455 (2021)
Arias Montano. Repositorio Institucional de la Universidad de Huelva
instname
Sustainability, Vol 13, Iss 13455, p 13455 (2021)
The immobilization of hazardous wastes in ordinary Portland cement (OPC)-based materials has been widely studied and implemented. OPC-based materials have a high carbon footprint associated with their production and geopolymer materials are a sustain
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d1712c151bba4fb9e66a1df4ba2737f
https://hdl.handle.net/10272/20352
https://hdl.handle.net/10272/20352
Autor:
Tânia, Gameiro, Rui M, Novais, Catarina L, Correia, João, Carvalheiras, Maria P, Seabra, Luís A C, Tarelho, João A, Labrincha, Isabel, Capela
Publikováno v:
Bioprocess and biosystems engineering. 44(6)
In anaerobic digestion processes, pH has a vital role due to the direct impacts on the microbial community. An eco-friendly approach has been applied to control pH in anaerobic bioreactors, using waste-containing fly ash geopolymer spheres (GS) inste