Zobrazeno 1 - 10
of 45
pro vyhledávání: '"Luciana S. Spinelli"'
Autor:
Silas R. Ferreira, Fabio R. Barreira, Luciana S. Spinelli, Katia Z. Leal, Peter Seidl, Elizabete F. Lucas
Publikováno v:
Química Nova, Vol 39, Iss 1, Pp 26-31 (2016)
Asphaltenes are blamed for various problems in the petroleum industry, especially formation of solid deposits and stabilization of water-in-oil emulsions. Many studies have been conducted to characterize chemical structures of asphaltenes and assess
Externí odkaz:
https://doaj.org/article/bfbc2f06db89432982b9cbc9c9e0d13c
Publikováno v:
Química Nova, Vol 33, Iss 2, Pp 295-300 (2010)
The objective of this work was to use the high-pressure homogenizer (HPH) to prepare stable oil/water nanoemulsions presenting narrow particle size distribution. The dispersions were prepared using nonionic surfactants based on ethoxylated ether. The
Externí odkaz:
https://doaj.org/article/c70a640ec35a4b0b93e25fffdbc3bb9c
Autor:
Jaciene J. F. Cardoso, Eduardo Ricci-Júnior, Denise Gentili, Luciana S. Spinelli, Elizabete F. Lucas
Publikováno v:
Química Nova, Vol 41, Iss 3, Pp 273-283
In this study, microparticles of poly(lactic acid) (PLA) were produced to encapsulate cardanol, varying molar mass of the polymer matrix, concentration of the emulsifier (PVA) and concentration of the chemical additive (cardanol). The droplet size di
Externí odkaz:
https://doaj.org/article/895dbb0cec584d05a8e1a08747e7d4de
Autor:
Giovanna F. Santos, Daniela Hartmann, Luciana S. Spinelli, Marcia C. K. Oliveira, Elizabete F. Lucas
Publikováno v:
Industrial & Engineering Chemistry Research. 61:10631-10639
Autor:
Luiz Antonio d' Avila, Luciana S. Spinelli, Cristiane Gimenes de Souza, Luiz Carlos Bertolino, Rafael Cavalcante dos Santos, Débora França de Andrade, Lívia Melo Bomfim, Tammy Caroline Lima de Jesus
Publikováno v:
Clay Minerals. 56:55-64
This work presents the results of the physical characterization of palygorskite and its adsorptive behaviour for three solvatochromic dyes (Nile blue chloride (NBC), methylene blue (MTB) and dithizone (DTZ)). Adsorption isotherms were used to determi
Publikováno v:
Brazilian Journal of Chemical Engineering. 38:155-163
Oilsands are suspended fine solids in bitumen in which asphaltenes become adsorbed on the surfaces of these particles, reducing the quality of the oil and hence generating higher costs for the oil industry. Since some polymers containing specific fun
Comparative Analysis of Palygorskite Samples From Different Occurrences in Guadalupe (Piauí, Brazil)
Autor:
Nathalia Oliveira Almeida dos Anjos, Marcelle Cerqueda, Bruna de Lemos Novo, Luciana S. Spinelli, Victor Matheus Joaquim Salgado Campos, Luana Caroline da Silveira Nascimento, Luiz Carlos Bertolino, Fernanda Veronesi Marinho Pontes, Giullia Bertrand Marçano, Lídia Yokoyama, Rayssa Paula Paz Furlanetto, Tainara Cristina de Assis, Carla Napoli Barbato, Karla Mayara Arguelles Simões, Fernanda Arruda Nogueira Gomes da Silva, Viviane G. Teixeira, Cristiane Gimenes de Souza, Patrícia Viana Rodrigues, Francisco Manoel dos Santos Garrido, Tammy Caroline Lima de Jesus
Publikováno v:
Journal of Aerospace Technology and Management. :62-65
Palygorskite is a clay mineral that has several industrial and environmental applications. Palygorskite main deposits in Brazil are located in the municipality of Guadalupe, Piauí. A comparative study was performed with five samples of palygorskite
Autor:
Grazielle Lopes, Ingryd Vieira, Daniele Cristina De Amorim, Jorge Castro, Ângelo Marinho Vianna, Luciana S. Spinelli
Publikováno v:
Anais do 11º Congresso Brasileiro de Petróleo e Gás.
Autor:
Raíssa Ferreira Brasil, Grazielle Lopes, Daniele Cristina De Amorim, Luciana S. Spinelli, Elen B. A. V. Pacheco
Publikováno v:
Anais do 11º Congresso Brasileiro de Petróleo e Gás.
Autor:
Erick Lorenzato Ferreira Vianna, Bruna de Lemos Novo, Luciana S. Spinelli, Luiz Carlos Bertolino, Vlademir Vitaliano de Figueiredo
Publikováno v:
Anais do X Encontro Técnico de Materiais e Química.