Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Gian Paulo Giovanni, Freschi"'
Publikováno v:
Acta Brasiliensis, Vol 2, Iss 3, Pp 100-105 (2018)
Electroless mercury discharge lamp (Hg-EDL) was applied in photolytic and photocatalytic degradation studies, to evaluate the degradation potential of a solution of Paracetamol 10 mg L-1. The photodegradation (photolysis and photocatalysis) was condu
Externí odkaz:
https://doaj.org/article/f5f1ea10b1834566bf6f248d33b5b4e3
Autor:
Dyovani Coelho, Gian Paulo Giovanni Freschi, Ailton José Moreira, Ernesto C. Pereira, Lucia H. Mascaro, Sherlan G. Lemos
Publikováno v:
Environmental Science and Pollution Research. 29:24010-24023
In this study, a spectrophotometric-chemometric (Spec-Chem) approach was applied as an alternative to chromatography to monitor ATZ and by-products after photolytic and photocatalytic oxidation aiming to unveil the ATZ degradation mechanism. Spec-Che
Autor:
Carolina Sinabucro DAKUZAKU, Gian Paulo Giovanni FRESCHI, Mercedes de MORAES, José Anchieta GOMES NETO
Publikováno v:
Eclética Química, Vol 26, Iss 1 (2018)
A influência de digeridos e suspensões de açúcar no comportamento térmico de As usando Pd(NO3)2, Pd(NO3)2 + Mg(NO3)2, and Ni(NO3)2 como modificadores químicos foi investigada. Influência de 0,2%, 5%, 10% e 35% (v/v) HNO3 na calibração (1,00
Externí odkaz:
https://doaj.org/article/5d91e466610e4374bad2c8459a1130fa
Autor:
Luiz Ferreira Neves Junior, Marcia Tsuyama Escote, Elaine C. Paris, C. R. Sciena, Ailton José Moreira, Alessandra Zenatti, Gian Paulo Giovanni Freschi, João O.D. Malafatti
Publikováno v:
Environmental Science and Pollution Research. 28:23731-23741
Nanotechnology has been studied on environmental remediation processes to foster greater photocatalysts efficiency and reuse in wastewater. This study investigated the photocatalytic efficiency and viability of niobium pentoxide (Nb2O5) nanoparticles
Autor:
Ailton José Moreira, C.G. Renda, Fred Jochen Litterst, Gian Paulo Giovanni Freschi, Elisa Maria Baggio Saitovitch, A. J. Gualdi, Roberto Bertholdo, Leonardo José Dalla Costa, Cláudio José Magon, Cynthia Paola Contreras Medrano, Tiago Venâncio, Alessandra de Almeida Lucas
Publikováno v:
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Universidade de São Paulo (USP)
instacron:USP
Catalytic graphitization has been used since years, normally by heating from room temperature to 2227 or 3027 °C. Ferrocene was used to induce the graphitization in modified novolak phenolic resins synthesized in laboratory (PR). In this study, the
Autor:
Jeferson Almeida Dias, Elaine C. Paris, Lilian Oliveira Campos, Caroline Piza Maldi, Ailton José Moreira, Tania R. Giraldi, Gian Paulo Giovanni Freschi
Publikováno v:
Environmental Science and Pollution Research. 27:27032-27047
Three different synthesis methods were applied to obtain TiO2 nanoparticles: microwave-assisted hydrothermal (TiO2-MW), sonochemical (TiO2-US), and polymeric precursor (TiO2-PP). The nanoparticles thus obtained presented 93% (TiO2-MW) and 92% (TiO2-U
Autor:
Vagner R. de Mendonça, Tania R. Giraldi, Elaine C. Paris, Shena Rafaela Rebouças Padilha, Gian Paulo Giovanni Freschi, Caue Ribeiro, Ailton José Moreira
Publikováno v:
DESALINATION AND WATER TREATMENT. 205:252-263
Autor:
Adriana Paiva de Oliveira, Gian Paulo Giovanni Freschi, Carolina Sinabucro Dakuzaku, Mercedes de Moraes, Marisa Spirandeli Crespi, José Anchieta Gomes Neto
Publikováno v:
Química Nova, Vol 24, Iss 6, Pp 743-747 (2001)
Externí odkaz:
https://doaj.org/article/1d138bd1a2b34fb187a3202732a85e89
Autor:
Carolina Dakuzaku Freschi, Ailton José Moreira, Gian Paulo Giovanni Freschi, Ernesto C. Pereira
Publikováno v:
Environmental Monitoring and Assessment. 193
A fast, efficient, and non-chromatographic method was presented in this study for nitrite, nitrate, and p-nitrophenol (N-compounds) extraction and speciation analysis of environmental samples. By applying ultrasound-assisted solid–liquid extraction
Autor:
Edson Tobias, de Jesus, Ailton José, Moreira, Mayara Coelho, Sá, Gian Paulo Giovanni, Freschi, Miryam Rincón, Joya, Maximo Siu, Li, Elaine Cristina, Paris
Publikováno v:
Environmental science and pollution research international. 28(48)
Various photocatalytic nanomaterials for environmental remediation have been promoted due to the pollution caused by different organic pollutants. In this study, Nb