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Registro Completo |
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
01/09/2023 |
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Data da última atualização: |
15/01/2024 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SCHNEIDER, R.; TANDEL, A. M.; DENGA, E.; CORREA, D. S. |
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Afiliação: |
Nanotechnology National Laboratory for Agriculture (LNNA); Department of Chemical and Biological Engineering, University at Buffalo; Department of Chemical and Biological Engineering, University at Buffalo; DANIEL SOUZA CORREA, CNPDIA. |
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Título: |
Scalable synthesis of ultrathin MoS2 membranes for dye desalination. |
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Ano de publicação: |
2023 |
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Fonte/Imprenta: |
Journal of Membrane Science Letters, v. 3, 100058, 2023. |
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Páginas: |
7 p. |
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ISSN: |
2772-4212 |
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DOI: |
doi.org/10.1016/j.memlet.2023.100058 |
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Idioma: |
Inglês |
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Conteúdo: |
Molybdenum disulfide (MoS2) has been fabricated into thin-film composite (TFC) membranes for dye desalination due to its excellent underwater stability and tunable interlay spacing. However, it remains challenging to synthesize thin layers of MoS2 with high water permeance and high dye rejection due to the difficulty in fabricating large crystalline sheets or exfoliation. Herein, we report a scalable method coupling bottom-up hydrothermal synthesis and top-down ultrasonic exfoliation to obtain well-dispersed MoS2 nanosheets and a vacuum filtration method to prepare ultrathin membranes (thickness: 30 ? 60 nm) for dye desalination. The MoS2 nanosheets and membranes are thoroughly characterized for their chemistries and nanostructures. The membrane with 60-nm MoS2 exhibits water permeance of 32 LMH/bar, Na2SO4 rejection of 2.3%, and Direct Red-80 rejection of 99.0%. The MoS2 membranes exhibit dye desalination performance superior to state-of-the-art commercial polyamide membranes and many leading membranes based on two-dimensional materials. |
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Palavras-Chave: |
Dye desalination; Hydrothermal reaction; Membranes; MoS2; Ultrasonic exfoliation. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1156320/1/P-Scalable-synthesis-of-ultrathin-MoS2-membranes-for-dye-desalination.pdf
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Marc: |
LEADER 01773naa a2200253 a 4500
001 2156320
005 2024-01-15
008 2023 bl uuuu u00u1 u #d
022 $a2772-4212
024 7 $adoi.org/10.1016/j.memlet.2023.100058$2DOI
100 1 $aSCHNEIDER, R.
245 $aScalable synthesis of ultrathin MoS2 membranes for dye desalination.$h[electronic resource]
260 $c2023
300 $a7 p.
520 $aMolybdenum disulfide (MoS2) has been fabricated into thin-film composite (TFC) membranes for dye desalination due to its excellent underwater stability and tunable interlay spacing. However, it remains challenging to synthesize thin layers of MoS2 with high water permeance and high dye rejection due to the difficulty in fabricating large crystalline sheets or exfoliation. Herein, we report a scalable method coupling bottom-up hydrothermal synthesis and top-down ultrasonic exfoliation to obtain well-dispersed MoS2 nanosheets and a vacuum filtration method to prepare ultrathin membranes (thickness: 30 ? 60 nm) for dye desalination. The MoS2 nanosheets and membranes are thoroughly characterized for their chemistries and nanostructures. The membrane with 60-nm MoS2 exhibits water permeance of 32 LMH/bar, Na2SO4 rejection of 2.3%, and Direct Red-80 rejection of 99.0%. The MoS2 membranes exhibit dye desalination performance superior to state-of-the-art commercial polyamide membranes and many leading membranes based on two-dimensional materials.
653 $aDye desalination
653 $aHydrothermal reaction
653 $aMembranes
653 $aMoS2
653 $aUltrasonic exfoliation
700 1 $aTANDEL, A. M.
700 1 $aDENGA, E.
700 1 $aCORREA, D. S.
773 $tJournal of Membrane Science Letters$gv. 3, 100058, 2023.
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Registro original: |
Embrapa Instrumentação (CNPDIA) |
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Biblioteca |
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Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
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URL |
Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Agroindústria de Alimentos; Embrapa Suínos e Aves. |
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Data corrente: |
04/02/2010 |
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Data da última atualização: |
26/02/2010 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 3 |
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Autoria: |
ROSA, P. M.; ANTONIASSI, R.; FREITAS, S. C.; BIZZO, H. R.; ZANOTTO, D. L.; OLIVEIRA, M. F.; CASTIGLIONI, V. B. R. |
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Afiliação: |
P. M. ROSA, UFRRJ; ROSEMAR ANTONIASSI, CTAA; SIDINEA CORDEIRO DE FREITAS, CTAA; HUMBERTO RIBEIRO BIZZO, CTAA; DIRCEU LUIZ ZANOTTO, CNPSA; MARCELO FERNANDES DE OLIVEIRA, CNPSo; VANIA BEATRIZ RODRIGUES CASTIGLIONI, SEP. |
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Título: |
Chemical composition of brazilian sunflower varieties. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Helia, Novi Sad, v. 32, n. 50, p. 145-156, 2009. |
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DOI: |
10.2298/HEL0950145R |
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Idioma: |
Inglês |
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Conteúdo: |
Sunflower is the world fourth most important source of edible oil, after palm oil, soybean and rapeseed/canola. Sunflower acreage in Brazil has been consolidated due to the constant efforts in genetic and agronomical studies carried out by Brazilian research institutions. Although easily adapted to many Brazilian regions, genetic and agronomical improvements were needed so that economically viable crops could be harvested. Sunflower varieties with interesting oil composition as well as noteworthy protein quality were obtained. As part of these efforts, two new varieties were developed by Embrapa Soybean, Embrapa 122 V2000 and Embrapa F2 BRS 191. This work was aimed at evaluating the chemical composition of the seeds, defatted meal and oil quality of these varieties. The oil content varied from 44 to 52% in F2 BRS and from 36 to 47% in E 122. Linoleic (62-69%) and oleic (20-25%) were the major fatty acids in both varieties. The protein content of the defatted meal ranged from 28 to 32%. Slight differences were observed in amino acids profile, sterols and chlorogenic acid content. |
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Palavras-Chave: |
Esterol; Oil; Seed; Sunflower. |
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Thesagro: |
Ácido Graxo; Composição Química; Girassol; Óleo; Semente. |
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Thesaurus NAL: |
chemical composition; fatty acids; sterols. |
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Categoria do assunto: |
--
X Pesquisa, Tecnologia e Engenharia |
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URL: |
https://www.doiserbia.nb.rs/img/doi/1018-1806/2009/1018-18060950145R.pdf
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Marc: |
LEADER 01970naa a2200349 a 4500
001 1658666
005 2010-02-26
008 2009 bl --- 0-- u #d
024 7 $a10.2298/HEL0950145R$2DOI
100 1 $aROSA, P. M.
245 $aChemical composition of brazilian sunflower varieties.
260 $c2009
520 $aSunflower is the world fourth most important source of edible oil, after palm oil, soybean and rapeseed/canola. Sunflower acreage in Brazil has been consolidated due to the constant efforts in genetic and agronomical studies carried out by Brazilian research institutions. Although easily adapted to many Brazilian regions, genetic and agronomical improvements were needed so that economically viable crops could be harvested. Sunflower varieties with interesting oil composition as well as noteworthy protein quality were obtained. As part of these efforts, two new varieties were developed by Embrapa Soybean, Embrapa 122 V2000 and Embrapa F2 BRS 191. This work was aimed at evaluating the chemical composition of the seeds, defatted meal and oil quality of these varieties. The oil content varied from 44 to 52% in F2 BRS and from 36 to 47% in E 122. Linoleic (62-69%) and oleic (20-25%) were the major fatty acids in both varieties. The protein content of the defatted meal ranged from 28 to 32%. Slight differences were observed in amino acids profile, sterols and chlorogenic acid content.
650 $achemical composition
650 $afatty acids
650 $asterols
650 $aÁcido Graxo
650 $aComposição Química
650 $aGirassol
650 $aÓleo
650 $aSemente
653 $aEsterol
653 $aOil
653 $aSeed
653 $aSunflower
700 1 $aANTONIASSI, R.
700 1 $aFREITAS, S. C.
700 1 $aBIZZO, H. R.
700 1 $aZANOTTO, D. L.
700 1 $aOLIVEIRA, M. F.
700 1 $aCASTIGLIONI, V. B. R.
773 $tHelia, Novi Sad$gv. 32, n. 50, p. 145-156, 2009.
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Registro original: |
Embrapa Agroindústria de Alimentos (CTAA) |
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