Follow
Flavio Augusto de Freitas
Flavio Augusto de Freitas
Energy and Materials Department's Head at Amazon Biotechnology Center - CBA
Verified email at fuea.org.br
Title
Cited by
Cited by
Year
New heterogeneous catalyst for biodiesel production from waste tucumã peels (Astrocaryum aculeatum Meyer): Parameters optimization study
IM Mendonça, OARL Paes, PJS Maia, MP Souza, RA Almeida, CC Silva, ...
Renewable Energy 130, 103-110, 2019
1882019
Pineapple (Ananás comosus) leaves ash as a solid base catalyst for biodiesel synthesis
SS Barros, WAGP Junior, ISC Sá, ML Takeno, FX Nobre, W Pinheiro, ...
Bioresource Technology 312, 123569, 2020
972020
Application of calcined waste cupuaçu (Theobroma grandiflorum) seeds as a low-cost solid catalyst in soybean oil ethanolysis: Statistical optimization
IM Mendonça, FL Machado, CC Silva, SD Junior, ML Takeno, ...
Energy conversion and management 200, 112095, 2019
612019
Synthesis and evaluation of the potential of nonionic surfactants/mesoporous silica systems as nanocarriers for surfactant controlled release in enhanced oil recovery
FA De Freitas, D Keils, ER Lachter, CEB Maia, MIP da Silva, ...
Fuel 241, 1184-1194, 2019
492019
Heterogeneous catalysis for the ketalisation of ethyl levulinate with 1, 2-dodecanediol: Opening the way to a new class of bio-degradable surfactants
FA Freitas, D Licursi, ER Lachter, AMR Galletti, C Antonetti, TC Brito, ...
Catalysis Communications 73, 84-87, 2016
442016
Biodiesel production from fatty acids of refined vegetable oils by heterogeneous acid catalysis and microwave irradiation
MC Reis, FA Freitas, ER Lachter, RAS San Gil, RSV Nascimento, ...
Química Nova 38, 1307-1312, 2015
31*2015
Application of water treatment sludge as a low-cost and eco-friendly catalyst in the biodiesel production via fatty acids esterification: Process optimization
WAGP Junior, ML Takeno, FX Nobre, SS Barros, ISC Sá, EP Silva, ...
Energy 213, 118824, 2020
292020
Biological evaluation and quantitative analysis of antioxidant compounds in pulps of the Amazonian fruits bacuri (Platonia insignis Mart.), ingá (Inga edulis Mart.), and uchi …
FA de Freitas, RC Araújo, ER Soares, R Nunomura, F da Silva, ...
Journal of Food Biochemistry, 2017
262017
A novel CaO-based catalyst obtained from silver croaker (Plagioscion squamosissimus) stone for biodiesel synthesis: Waste valorization and process optimization
ML Takeno, IM Mendonça, SS Barros, PJ de Sousa Maia, WAG Pessoa Jr, ...
Renewable Energy 172, 1035-1045, 2021
232021
Photophysical properties of a perylene derivative for use as catalyst in ethanol eletrooxidation
PJS Maia, JF Cruz, FA de Freitas, S de Fátima Freire dos Santos, ...
Research on Chemical Intermediates 45, 5451-5472, 2019
212019
Copper molybdate synthesized by sonochemistry route at room temperature as an efficient solid catalyst for esterification of oleic acid
JLS Junior, FX Nobre, FA de Freitas, TAF de Carvalho, SS de Barros, ...
Ultrasonics Sonochemistry 73, 105541, 2021
182021
Removal of rhodamine 6G from synthetic effluents using Clitoria fairchildiana pods as low-cost biosorbent
AMB da Silva, NO Serrão, G de Gusmão Celestino, ML Takeno, ...
Environmental Science and Pollution Research 27, 2868-2880, 2020
182020
Synthesis and characterization of a perylene derivative and its application as catalyst for ethanol electro-oxidation
PJS Maia, EM Barbosa, ML Vega, HN da Cunha, EA de Souza, ...
Chemical Papers 72, 1021-1030, 2018
172018
Alkyl glyceryl ethers as water-based lubricant additives in mixtures with xanthan gum
FHM de Paula, FA de Freitas, DG Nunes, S Iglauer, AP Gramatges, ...
Colloids and Surfaces A: Physicochemical and Engineering Aspects 634, 127881, 2022
142022
Value aggregation of pine (Araucaria angustifolia) nuts agro-industrial waste by cellulose extraction
S de Sá Barros, WAG Pessoa Jr, AC Júnior, ZV Borges, CM Poffo, ...
Research, Society and Development 10 (10), e270101018836-e270101018836, 2021
72021
Sementes de açaí (Euterpe precatoria Mart.) como uma nova fonte alternativa de celulose: Extração e caracterização
S de Sá Barros, E da Silva Oliveira, WAG Pessoa Jr, ALG Rosas, ...
Research, Society and Development 10 (7), e31110716661-e31110716661, 2021
72021
Characterization and Use of Noni (Morinda citrifolia L.) Seeds for the Removal of Hexavalent Chromium Ions from Aqueous Solutions
CG Sampaio, FA de Freitas, FTC de Souza, ES de Brito, H Becker, ...
International Journal of Civil & Environmental Engineering IJCEE-IJENS 15 (2 …, 2015
72015
Statistical mixture design investigation for extraction and quantitation of aporphine alkaloids from the leaves of Unonopsis duckei R.E. Fr. by HPLC–MS/MS
PRN Rocha, FA de Freitas, CFF Angolini, LSF Vasconcelos, ALB da Silva, ...
Phytochemical analysis 29 (6), 569-576, 2018
62018
Curauá fiber from plants produced by tissue culture: Thermal, mechanical, and morphological characterizations
AEM de Freitas, FJ Padilha, SS Barros, TM Khan, B Pereira, WT Barbosa, ...
Cellulose 30 (5), 2841-2858, 2023
52023
Biodiesel production from tucumã (Astrocaryum aculeatum Meyer) almond oil applying the electrolytic paste of spent batteries as a catalyst
FA de Freitas, IRS Mendonça, SS Barros, WGA Pessoa Jr, ISC Sá, ...
Renewable Energy 191, 919-931, 2022
52022
The system can't perform the operation now. Try again later.
Articles 1–20