Estudo das condições de estocagem do bagaço de cana-de-açúcar por análise térmica

Autor: Moacyr L. dos Santos, Omar J. de Lima, Eduardo J. Nassar, Katia J. Ciuffi, Paulo S. Calefi

Publikováno v: Química Nova, Vol 34, Iss 3, Pp 507-511 (2011)

An evaluation was made of the properties of sugarcane bagasse during the storage process for subsequent burning in a boiler. Samples of bagasse were collected over a period of 150 days from the Caeté sugar mill (MG) at various points of the stockpil

Externí odkaz: https://doaj.org/article/9af9f0bca99846d4b5e71852b9194650

Óxido misto de ítrio-alumínio dopado com Eu(III) Eu(III)-doped aluminium yttrium oxide

Autor: Eduardo J. Nassar, Lilian R. Avila, Paula F. S. Pereira, Omar J. de Lima, Lucas A. Rocha, Cesar Mello, Katia J. Ciuffi, Luis D. Carlos

Publikováno v: Química Nova, Vol 28, Iss 2, Pp 238-243 (2005)

In this work, we report the synthesis and the photoluminescence features of Eu(III)-doped yttrium-aluminium oxide obtained by non-hydrolytic sol-gel routes. After heating the powders above 600 ºC the XRD patterns show the presence of the Y4Al2O9 (YA

Externí odkaz: https://doaj.org/article/c8dd036ab61e42b5af9632e7ce135be4

Cr3+ doped Al2O3 obtained by non-hydrolytic sol-gel methodology

Autor: Geraldo R. Friedermann, Younes Messaddeq, Sidney José Lima Ribeiro, Omar J. de Lima, Lucas A. Rocha, Eduardo J. Nassar, Nolwen Floch, José Maurício Almeida Caiut, Katia J. Ciuffi

Publikováno v: Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
Journal of the Brazilian Chemical Society v.30 n.4 2019
Journal of the Brazilian Chemical Society
Sociedade Brasileira de Química (SBQ)
instacron:SBQ
Journal of the Brazilian Chemical Society, Volume: 30, Issue: 4, Pages: 744-751, Published: APR 2019
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

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Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::927acf8732d50a18b168150d60a1b0e6

Cationic and anionic metalloporphyrins simultaneously immobilized onto raw halloysite nanoscrolls catalyze oxidation reactions

Autor: Guilherme Sippel Machado, Omar J. de Lima, Shirley Nakagaki, Fernando Wypych, Geani Maria Ucoski, Katia J. Ciuffi

Publikováno v: Applied Catalysis A: General. :124-131

We simultaneously immobilized an anionic iron(III) porphyrin (FePor) and a cationic manganese(III) porphyrin (MnPor) onto raw halloysite nanoscrolls. The positive and negative residual charges at the edges of the halloysite nanoscrolls and the negati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dfd85f81a7db8fb154f4acabc4164358
https://doi.org/10.1016/j.apcata.2013.04.014

Aluminosilicate obtained by sol–gel process as support for an anionic iron porphyrin: Development of a selective and reusable catalyst for oxidation reactions

Autor: Kelly Aparecida Dias de Freitas Castro, Shirley Nakagaki, Katia J. Ciuffi, Guilherme Sippel Machado, Omar J. de Lima, Eduardo J. Nassar

Publikováno v: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 349:162-169

An anionic iron(III) porphyrin was immobilized on a synthetic aluminosilicate obtained by the sol–gel process and used as catalyst in the oxidation of organic substrates. Aluminosilicate was prepared by modification of a method previously described

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e7a9152c3c40b2a09193b18744bedfb
https://doi.org/10.1016/j.colsurfa.2009.08.013