Zobrazeno 1 - 10
of 209
pro vyhledávání: '"Douglas Alberto"'
Autor:
Wagner Monteiro Lucena, Fernanda Paula da Costa Assunção, Douglas Alberto Rocha de Castro, Lauro Henrique Hamoy Guerreiro, Nélio Teixeira Machado
Publikováno v:
Revista DAE, Vol 245, Pp 01-17 (2024)
Neste trabalho se investigou a produção de biochar (biocarvão) oriundo do processo de pirólise dos caroços de açaí (Euterpe oleracea), utilizando as temperaturas de 400°C e 450°C. Observou-se que a temperatura do processo influencia o rend
Externí odkaz:
https://doaj.org/article/a283204628a84a86ade43a6738b6ca79
Autor:
Haroldo Jorge da Silva Ribeiro, Armando Costa Ferreira, Caio Campos Ferreira, Lia Martins Pereira, Marcelo Costa Santos, Lauro Henrique Hamoy Guerreiro, Fernanda Paula da Costa Assunção, Sílvio Alex Pereira da Mota, Douglas Alberto Rocha de Castro, Sergio Duvoisin, Luiz Eduardo Pizarro Borges, Nélio Teixeira Machado, Lucas Pinto Bernar
Publikováno v:
Energies, Vol 17, Iss 5, p 1196 (2024)
This research explores the depolymerization of waste polymethyl methacrylate (PMMAW) from dental material in fixed bed semi-batch reactors, focusing on three production scales: laboratory, technical and pilot. The study investigates the thermal degra
Externí odkaz:
https://doaj.org/article/84690eaa1e9d4a779c428f4b5d531752
Autor:
Benedito Franciano Ferreira Rodrigues, Anderson Rocha Amaral, Fernanda Paula da Costa Assunção, Lucas Pinto Bernar, Marcelo Costa Santos, Neyson Martins Mendonça, José Almir Rodrigues Pereira, Douglas Alberto Rocha de Castro, Sergio Duvoisin, Pablo Henrique Ataide Oliveira, Luiz Eduardo Pizarro Borges, Nélio Teixeira Machado
Publikováno v:
Energies, Vol 17, Iss 1, p 269 (2024)
The objective of this study is to analyze the economic viability of municipal household solid waste (organic matter + paper) for the production of gas, coke and biofuel through the pyrolysis and distillation process. The waste was collected in the ci
Externí odkaz:
https://doaj.org/article/9ff59efc838c4cb689f0576d0e52cd10
Autor:
Flávio Pinheiro Valois, Kelly Christina Alves Bezerra, Fernanda Paula da Costa Assunção, Lucas Pinto Bernar, Simone Patrícia Aranha da Paz, Marcelo Costa Santos, Waldeci Paraguassu Feio, Renan Marcelo Pereira Silva, Neyson Martins Mendonça, Douglas Alberto Rocha de Castro, Sergio Duvoisin Jr., Antônio Rafael Quadros Gomes, Victor Ricardo Costa Sousa, Marta Chagas Monteiro, Nélio Teixeira Machado
Publikováno v:
Catalysts, Vol 14, Iss 1, p 44 (2024)
Biomass-derived products are a promising way to substitute the necessity for petroleum-derived products, since lignocellulosic material is widely available in our atmosphere and contributes to the reduction of greenhouse gases (GHGs), due to zero net
Externí odkaz:
https://doaj.org/article/ddd7333afd8e4233bead7685b433f4e8
Contaminación del agua del río Durazno, Costa Rica: más allá del índice holandés de calidad del agua
Autor:
Douglas Alberto Venegas González, Eric Morales Mora, Kenia Barrantes Jiménez, Eddy Gómez Ramírez, Paola Fuentes-Schweizer, Andrea Irías Mata
Publikováno v:
Cuadernos de investigación UNED, Vol 15, Iss 1 (2023)
RESUMEN. Introducción: La microcuenca del río Durazno en Costa Rica es fuente de agua para consumo humano, pero se sospecha de contaminación microbiológica por varios usos del suelo. Objetivo: Evaluar la calidad del agua de la microcuenca del Dur
Externí odkaz:
https://doaj.org/article/0feb031513364c55b3deae139839b786
Autor:
Alan Cézar Bezerra, Jhon Lennon Bezerra da Silva, Douglas Alberto de Oliveira Silva, Cristina Rodrigues Nascimento, Eberson Pessoa Ribeiro, Josiclêda Domiciano Galvincio, Marcos Vinícius da Silva, Henrique Fonseca Elias de Oliveira, Márcio Mesquita, José Francisco de Oliveira-Júnior, Alexsandro Claudio dos Santos Almeida, Pabrício Marcos Oliveira Lopes, Geber Barbosa de Albuquerque Moura
Publikováno v:
Atmosphere, Vol 14, Iss 12, p 1712 (2023)
This study analyzed the seasonality of biophysical parameters in the extreme years of precipitation and the relationship with the monthly precipitation of the state of Pernambuco at the regional level (Pernambuco) and homogeneous precipitation zones:
Externí odkaz:
https://doaj.org/article/60f3d6bf8fa24be0bd05d65a6e928769
Autor:
Tiago Teribele, Maria Elizabeth Gemaque Costa, Conceição de Maria Sales da Silva, Lia Martins Pereira, Lucas Pinto Bernar, Douglas Alberto Rocha de Castro, Fernanda Paula da Costa Assunção, Marcelo Costa Santos, Isaque Wilkson de Sousa Brandão, Clícia Joana Neves Fonseca, Maja Shultze, Thomas Hofmann, Sammy Jonatan Bremer, Nélio Teixeira Machado
Publikováno v:
Energies, Vol 16, Iss 7, p 3217 (2023)
Hydrothermal processing of biomass may be able to overcome a series of problems associated with the thermochemical conversion of lignocellulosic material into energy and fuels. Investigating the process parameters and an adequate process description
Externí odkaz:
https://doaj.org/article/ae1a163427b54ea39bd9dc506cdfe043
Autor:
Gérson Daniel Valdez, Flávio Pinheiro Valois, Sammy Jonatan Bremer, Kelly Christina Alves Bezerra, Lauro Henrique Hamoy Guerreiro, Marcelo Costa Santos, Lucas Pinto Bernar, Waldeci Paraguassu Feio, Luiz Gabriel Santos Moreira, Neyson Martins Mendonça, Douglas Alberto Rocha de Castro, Sergio Duvoisin, Luiz Eduardo Pizarro Borges, Nélio Teixeira Machado
Publikováno v:
Energies, Vol 16, Iss 7, p 3162 (2023)
In this study, we investigated the acid (HCl) and alkali (KOH) chemical activation of açaí seeds (Euterpe Oleraceae, Mart.) pre-treatment before pyrolysis at temperatures of 350–450 °C in order to assess how reactions proceed when affected by te
Externí odkaz:
https://doaj.org/article/4846635f6edc4365b13434c5d65a2309
Autor:
Anderson Rocha Amaral, Lucas Pinto Bernar, Caio Campos Ferreira, Anderson Mathias Pereira, Wenderson Gomes Dos Santos, Lia Martins Pereira, Marcelo Costa Santos, Fernanda Paula da Costa Assunção, Neyson Martins Mendonça, José Almir Rodrigues Pereira, Sílvio Alex Pereira da Mota, Andréia de Andrade Mâncio, Sergio Duvoisin Junior, Luiz Eduardo Pizarro Borges, Nélio Teixeira Machado, Douglas Alberto Rocha de Castro
Publikováno v:
Energies, Vol 16, Iss 1, p 492 (2023)
Palm oil is, from an economic, environmental, and social point of view, a vegetable oil with great potential and the state of Pará-Brazil is Brazil’s great producer. In addition, soap phase residue or palm oil neutralization sludge (PONS), a bypro
Externí odkaz:
https://doaj.org/article/54093e8a1c454661941fd4ba8b0abdb0
Autor:
Augusto Fernando de Freitas Costa, Caio Campos Ferreira, Simone Patrícia Aranha da Paz, Marcelo Costa Santos, Luiz Gabriel Santos Moreira, Neyson Martins Mendonça, Fernanda Paula da Costa Assunção, Ana Carolina Gomes de Albuquerque de Freitas, Roseane Maria Ribeiro Costa, Isaque Wilkson de Sousa Brandão, Carlos Emmerson Ferreira da Costa, Sílvio Alex Pereira da Mota, Douglas Alberto Rocha de Castro, Sergio Duvoisin, Luiz Eduardo Pizarro Borges, Nélio Teixeira Machado, Lucas Pinto Bernar
Publikováno v:
Energies, Vol 16, Iss 1, p 541 (2023)
This study investigated thermal cracking and catalytic upgrading of waste from electric and electronic equipment (WEEE) plastics on a semi-batch reactor coupled to a heated catalyst fixed bed (2-stage vapor cracking). The catalyst used is a Si–Al a
Externí odkaz:
https://doaj.org/article/440f9222b02f4b69b1d86cae84368c90