Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Jefferson Santos da Silva"'
Publikováno v:
Anais dos III Simpósio Amazônico em Educação Profissional e Tecnológica ISBN: 9786558662242
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7e5fb7e69790a3a6bc715ef91fa6ec2d
https://doi.org/10.36229/978-65-5866-224-2.ac.5
https://doi.org/10.36229/978-65-5866-224-2.ac.5
Autor:
Jardel Pereira Gonçalves, Jefferson Santos da Silva, Kelly Rodrigues dos Santos, Heloysa Martins Carvalho Andrade
Publikováno v:
Water, Air, & Soil Pollution. 232
Huge amounts of spent fluid catalytic cracking (FCC) catalysts, also called Ecat, are produced worldwide, every year. Alternatives to the traditional landfill disposal are imperative to reduce the environmental contamination and the production of haz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec21320c0bc12ff347d582a8fbd16e44
https://doi.org/10.1007/s11270-021-05015-4
https://doi.org/10.1007/s11270-021-05015-4
Autor:
Jardel Pereira Gonçalves, Jefferson Santos da Silva, Lucas Ribeiro de Sousa, Cleice Lins Machado, Heloysa Martins Carvalho Andrade
Publikováno v:
Matéria (Rio de Janeiro) v.25 n.1 2020
Matéria (Rio de Janeiro. Online)
instacron:RLAM
Matéria (Rio de Janeiro. Online)
instacron:RLAM
O catalisador residual (CR), oriundo do Craqueamento Catalitico Fluido (FCC) em refinarias de petroleo, tem sido estudado como pozolana em materiais cimenticios para avaliacao do desenvolvimento de propriedades mecânicas e durabilidade. Contudo, est
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8f6be66683f69c8cde743a7fa40ce67c
https://doi.org/10.1590/s1517-707620200001.0899
https://doi.org/10.1590/s1517-707620200001.0899
Autor:
Artur J.S. Mascarenhas, Murilo L. Alcântara, Heloysa Martins Carvalho Andrade, Luciana A. Silva, Jefferson Santos da Silva, Renan O. Soares
Publikováno v:
Materials Research Bulletin. 103:166-172
Bismuth niobates were obtained by hydrothermal synthesis using bismuth (III) nitrate pentahydrate [Bi(NO3)3·5H2O] and a Lindqvist potassium hexaniobate [K8-xHxNb6O19.nH2O] as soluble precursors. Pure crystalline Bi5Nb3O15, β-BiNbO4 and α- BiNbO4 w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::444a2d1b5e330284f8c1ed443d6fd916
https://doi.org/10.1016/j.materresbull.2018.03.033
https://doi.org/10.1016/j.materresbull.2018.03.033
Autor:
Heloysa Martins Carvalho Andrade, Jo Dweck, Rodrigo Henrique Geraldo, Gladis Camarini, Sayonara Maria de Moraes Pinheiro, Jefferson Santos da Silva, Jardel Pereira Gonçalves
Publikováno v:
Journal of Cleaner Production. 164:288-300
Gypsum plaster waste (GPW) represents a large fraction of the total construction and demolition wastes generated by society, which may contaminate the soil and water resources. Although previous studies have indicated the possibility of recycling GPW
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33ceb914a7a689321b14c0cc9042e4a0
https://doi.org/10.1016/j.jclepro.2017.06.188
https://doi.org/10.1016/j.jclepro.2017.06.188
Autor:
Heloysa Martins Carvalho Andrade, Jardel Pereira Gonçalves, Artur J.S. Mascarenhas, Raildo A. Fiuza, Jefferson Santos da Silva, Raimundo Medeiros de Jesus-Neto
Publikováno v:
Microporous and Mesoporous Materials. 232:1-12
Residual USY phase in waste fluid craking catalysts were used as zeolitic building blocks to prepare zeolite materials by activation with NaOH solutions and the prepared materials were characterized (XRD, EDX, SEM, FTIR and N 2 physisorption) and fur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df61979629541386df217afec225d0dc
https://doi.org/10.1016/j.micromeso.2016.06.005
https://doi.org/10.1016/j.micromeso.2016.06.005
Autor:
Patricia Stella Pucharelli Fontanini, Rodrigo Henrique Geraldo, Janaina Souza, Ana Rita Damasceno Costa, Jardel Pereira Gonçalves, Heloysa Martins Carvalho Andrade, Julia Kanai, Gladis Camarini, Jefferson Santos da Silva
Publikováno v:
Construction and Building Materials. 256:119406
The calcination at low temperatures transforms phosphogypsum (PG) waste in a material with binder properties. This study evaluated two parameters of PG calcination: kiln residence time (1 h, 2 h, and 5 h) and temperature (120 °C, 150 °C, and 200 °
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::998ae6fec1c84aebff4d077c5ec40dbd
https://doi.org/10.1016/j.conbuildmat.2020.119406
https://doi.org/10.1016/j.conbuildmat.2020.119406
Autor:
Heloysa Martins Carvalho Andrade, Kamilla Wanderley Pinto, Jefferson Santos da Silva, Francisco Gabriel Santos Silva, Jo Dweck, Raildo Alves Fiuza Junior, Jardel Pereira Gonçalves
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 120:1089-1098
The pozzolanic properties of an equilibrium catalyst (Ecat), a waste produced worldwide at fluidized catalytic cracking units of oil refineries, have been studied in cementitious matrices. The consumption of calcium hydroxide is usually taken as a me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b59bc440df96ecb9fce98abfdd24f0cc
https://doi.org/10.1007/s10973-015-4449-8
https://doi.org/10.1007/s10973-015-4449-8
Autor:
Heloysa Martins Carvalho Andrade, Jefferson Santos da Silva, Francisco Gabriel Santos Silva, Carlos Magno S. R. de Brito, Jardel Pereira Gonçalves, Raildo Alves Fiuza Junior
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 116:287-293
The pozzolanic properties of the equilibrium catalyst (Ecat), an abundant waste from fluid catalytic cracking units of oil refineries, have been studied in cementitious matrices. The consumption of calcium hydroxide is usually taken as a means to ass
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca6abeac8b4f792500eec8e807f99adb
https://doi.org/10.1007/s10973-013-3546-9
https://doi.org/10.1007/s10973-013-3546-9