Search Results - "Geraldo Narciso da Rocha Filho"
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Preparation of sulfonated carbon-based catalysts from murumuru kernel shell and their performance in the esterification reaction
Published in RSC advances (27-05-2020)“…In the present study, heterogeneous acid catalysts for fatty acid esterification reactions were synthesized using agro-industrial waste from murumuru kernel…”
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Optimization of biodiesel production using sulfonated carbon-based catalyst from an amazon agro-industrial waste
Published in Energy conversion and management (01-02-2020)“…[Display omitted] •Murumuru kernel shell was used as precursor biomass for synthesis of sulfonated catalyst.•The optimization of biodiesel production resulted…”
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Tungsten oxide supported on copper ferrite: a novel magnetic acid heterogeneous catalyst for biodiesel production from low quality feedstock
Published in RSC advances (29-11-2022)“…This study aims to synthesize a WO 3 /CuFe 2 O 4 catalyst through a wet impregnation method and use it as a new magnetic acid catalyst in the…”
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Lipid profile analysis of three new Amazonian cyanobacteria as potential sources of biodiesel
Published in Fuel (Guildford) (15-12-2018)“…•Microbial lipids as possible fossil fuel substitutes.•Lipid profiles of Amazon Cyanobium sp., Limnothrix sp. and Nostoc sp.•Limnothrix sp. had a better lipid…”
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Catalytic conversion of residual raw material into biodiesel using a superior magnetic solid acid catalyst based on Zn-Fe ferrite: thermodynamic and kinetic studies
Published in RSC advances (27-06-2024)“…This study investigates the potential and applicability of a novel solid magnetic catalyst constructed by incorporating molybdenum oxide (MoO 3 ) into zinc…”
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Zeolites: A Theoretical and Practical Approach with Uses in (Bio)Chemical Processes
Published in Applied sciences (01-02-2023)“…This review provides a state-of-the-art summary of distributed zeolite technology, as well as identifying strategies to further promote the absorption of these…”
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Advances in the Biotechnological Potential of Brazilian Marine Microalgae and Cyanobacteria
Published in Molecules (Basel, Switzerland) (24-06-2020)“…Due the worldwide need to improve care for the environment and people, there is a great demand for the development of new renewable, sustainable, and less…”
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Biological activities from andiroba (Carapa guianensis Aublet.) and its biotechnological applications: A systematic review
Published in Arabian journal of chemistry (01-04-2023)“…Carapa guianensis is a tree from Meliaceae family traditionally known as andiroba that has a wide range of biological properties, including therapeutic…”
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Glycerol and Catalysis by Waste/Low-Cost Materials—A Review
Published in Catalysts (01-05-2022)“…The growing global demand for renewable energy sources can be reached using biofuels such as biodiesel, for example. The most used route to produce biodiesel…”
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High-Quality Biodiesel Production from Buriti ( Mauritia flexuosa ) Oil Soapstock
Published in Molecules (Basel, Switzerland) (28-12-2018)“…The buriti palm ( ) is a palm tree widely distributed throughout tropical South America. The oil extracted from the fruits of this palm tree is rich in natural…”
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Acetylation of Eugenol over 12-Molybdophosphoric Acid Anchored in Mesoporous Silicate Support Synthesized from Flint Kaolin
Published in Materials (16-09-2019)“…A new prepared catalyst, 12-molybdophosphoric acid (HPMo) anchored to the mesoporous aluminosilicate AlSiM, synthesized from Amazon kaolin, was characterized…”
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Synthesis of Mesoporous Zn1−xMxAl2O4 Substituted by Co2+ and Ni2+ Ions and Application in the Photodegradation of Rhodamine B
Published in Materials (06-05-2020)“…A new mesoporous Zn1-xMxAl2O4 photocatalyst was prepared using the metal-chitosan complexation method with different degrees of Zn2+ cation substitution with…”
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13
Synthesis of biochar modified with 12-tungstophosphoric acid for the selective conversion of isoeugenol to vanillin
Published in Arabian journal of chemistry (01-12-2023)“…A heterogeneous acid catalyst was synthesized by anchoring 12–tungstophosphoric acid (HPW) onto biochar derived from Brazil nut shells (Bertholletia excelsa)…”
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14
The potential of third-generation biodiesel from Tolypothrix sp. CACIAM22 as a feedstock
Published in Heliyon (30-08-2024)“…Renewable energy has been recognized as an alternative to fossil fuels as a step to transform the energy produced and consumed worldwide. Cyanobacteria and…”
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15
High Photocatalytic Activity under Visible Light for a New Morphology of Bi2WO6 Microcrystals
Published in Catalysts (01-08-2019)“…In this work, a new morphology was obtained for bismuth tungstate (Bi2WO6-glyc) using a hydrothermal method with the addition of glycerol as a surfactant. In…”
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Potential of agro-industrial residues from the Amazon region to produce activated carbon
Published in Heliyon (01-07-2023)“…Thousands of tons of residual lignocellulosic biomass are produced and discarded by agroindustries in the Amazon. These biomasses could be harnessed and used…”
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Study of the Antioxidant Power of the Waste Oil from Palm Oil Bleaching Clay
Published in Energies (Basel) (12-02-2020)“…Palm oil is one of the most consumed oils, one of whose refining steps is the removal of pigments and other substances using bleaching clay as adsorbent…”
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An Efficient Catalyst Prepared from Residual Kaolin for the Esterification of Distillate from the Deodorization of Palm Oil
Published in Catalysts (01-05-2021)“…The distillate from the deodorization of palm oil (DDPO) is an agro-industrial residue, approximately 84% of which consists of free fatty acids (FFAs), which…”
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Statistical optimization of biodiesel production from waste cooking oil using magnetic acid heterogeneous catalyst MoO3/SrFe2O4
Published in Fuel (Guildford) (15-11-2021)“…[Display omitted] •Heterogeneous magnetic acid catalyst was prepared for biodiesel production.•Well-dispersed MoO3 oxide in the SrFe2O4 promotes the…”
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A proposal of electrical power supply to Brazilian Amazon remote communities
Published in Biomass & bioenergy (01-09-2010)“…This paper focuses on supplying electrical power for remote communities of the Brazilian Amazon using regional biomass, specifically palm oil biomass, as a…”
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