Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Jhessica M. Fonseca"'
Autor:
Jhessica M. Fonseca, Lucas Spessato, Lucas H.S. Crespo, Marcela C. Silva, Camila da Silva, Taís L. Silva, André L. Cazetta, Vitor C. Almeida
Publikováno v:
Green Technologies and Sustainability, Vol 2, Iss 3, Pp 100109- (2024)
The sulfonated-carbon based catalyst obtained from crambe meal was successfully applied in the esterification reaction of oleic acid. The chemometric tools allowed to evaluate the significance of the parameters: time, catalyst dosage and ethanol-to-o
Externí odkaz:
https://doaj.org/article/8f306621f07b481a83f212ea3bcf358c
Autor:
Greice K.P. Lopes, Heloisa G. Zanella, Lucas Spessato, Amanda Ronix, Patrícia Viero, Jhessica M. Fonseca, Jéssica T.C. Yokoyama, André L. Cazetta, Vitor C. Almeida
Publikováno v:
Arabian Journal of Chemistry, Vol 14, Iss 3, Pp 103001- (2021)
In this work the malt bagasse was used as precursor for preparation of activated carbon (AC) via physical activation with steam. The variables involved in the preparation process as temperature and time of activation, and steam flow, were evaluated a
Externí odkaz:
https://doaj.org/article/bc907070f7b14e2da8cac18c0176433b
Autor:
Patrícia S. Carraro, Amanda Ronix, Vitor C. Almeida, Karen C. Bedin, Marcela C. Silva, Jhessica M. Fonseca, André L. Cazetta, Jéssica T.C. Yokoyama, Taís L. Silva, Lucas Spessato
Publikováno v:
Ecotoxicology and Environmental Safety. 172:403-410
The present work reports the preparation of CO2-activated carbon (AC) using Stevia rebaudiana (Bertoni) residue as a new carbon precursor. The experimental parameters were optimized via chemometrics tools to obtain an AC with high BET surface area (S
Publikováno v:
Energy Conversion and Management. 184:205-218
Waste frying oils (WFO) are a promising source in terms of feedstock for biodiesel production, and have a lower cost than the typical refined vegetable oils. In addition, the use of WFO is an environmentally correct way to use this residue; it also d
Autor:
Fabiano Bisinella Scheufele, Jhessica M. Fonseca, Aline Bavaresco, Camila da Silva, Joel Gustavo Teleken
Publikováno v:
Acta Scientiarum. Technology; Vol 43 (2021): Publicação contínua; e51303
Acta Scientiarum. Technology; v. 43 (2021): Publicação contínua; e51303
Acta scientiarum. Technology
Universidade Estadual de Maringá (UEM)
instacron:UEM
Acta Scientiarum. Technology; v. 43 (2021): Publicação contínua; e51303
Acta scientiarum. Technology
Universidade Estadual de Maringá (UEM)
instacron:UEM
The objective of this work was to evaluate the ability of CCC as an adsorbent material for the acidity removal of RFO, aiming at the application of the oil in biodiesel production. For that, a RCCD was used for FFA removal by applying the CCC and CAC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a0e7e496e3ae62e9e7afbc49132155b2
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/51303
http://www.periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/51303
Publikováno v:
Chemical Engineering and Processing - Process Intensification. 170:108668
Heterogeneous acid catalysts have been reported as potential substitutes of homogeneous catalysts for biodiesel production, mainly due to their abilities to simultaneously perform esterification and transesterification reactions, besides the ease of
Publikováno v:
Journal of Environmental Chemical Engineering. 6:4988-4996
The reaction data of hydroesterification of waste oil, under pressurized conditions, were collected and the adsorption of compounds from ester mixture by sugarcane bagasse ash was evaluated. The reactions were conducted in a continuous reactor to eva
Autor:
Jhessica M. Fonseca, Ralpho Rinaldo dos Reis, Camila da Silva, Lúcio Cardozo-Filho, Caroline Portilho Trentini, Silvio César Sampaio
Publikováno v:
The Journal of Supercritical Fluids. 136:157-163
Continuous production of fatty acid ethyl esters (FAEE) from grease trap waste (GTW) in a catalyst-free medium and using pressurized ethanol was evaluated. For this purpose, the lipid fraction was previously separated from GTW, characterized, and use
Autor:
Marcela C. Silva, Vitor C. Almeida, Amanda Ronix, Jhessica M. Fonseca, Lucas Spessato, Gabriel R. Ximenez, André L. Cazetta, Jéssica T.C. Yokoyama, Greice K.P. Lopes, Heloisa G. Zanella
Publikováno v:
Bioresource Technology Reports. 15:100800
The use of biochars (BC) in soils is considered an emerging technological. In this work, a BC was prepared from the mixture of poultry litter (PL) and charcoal fines (CF), and its application as soil conditioner was evaluated. Additionally, experimen
Autor:
Lucas Spessato, Vitor C. Almeida, Patrícia Viero, Pedro Augusto Arroyo, Jhessica M. Fonseca, Vitor A. Duarte, Heloisa G. Zanella
Publikováno v:
Journal of Hazardous Materials. 411:125166
The present paper reports the application of augmented simplex-centroid mixture design to obtain a high BET surface area activated carbon using as reactants KOH, K2CO3 and K2C2O4. The optimum mixture composition was 2.51 g of KOH, 0.49 g of K2CO3 and