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Hidrogenação de CO2 sobre catalisadores à base de elementos não-nobres: a influência da composição química do catalisador e de condições reacionais na produção de álcoois
(Universidade Federal de São Carlos, 2022-11-30)
Strategies to reduce CO2 emissions and control the increase in atmospheric levels of this gas are urgent. A promising approach to help minimize the accumulation of CO2 in the atmosphere and the corresponding negative ...
Modelagem matemática aplicada ao estudo de células a combustível a etanol direto
(Universidade Federal de São Carlos, 2022-03-09)
The current fuel cell market is dominated by Hydrogen cells. Nevertheless, due to Hydrogen’s high reactivity, the difficulty in storage and the lack of infrastructure to distribute it, Hydrogen cells might not be the most ...
Estudo da reação de hidrogenação de CO2 em materiais à base de Cu via catálise heterogênea
(Universidade Federal de São Carlos, 2022-07-07)
CO2 is a greenhouse gas whose production has intensified in recent decades, generating its accumulation in the Earth’s atmosphere. Thereby, numerous negative environmental changes, such as the aggravation of the greenhouse ...
Aplicação de redes neurais artificiais no sinal FBRM para monitorar a cristalização de Paracetamol
(Universidade Federal de São Carlos, 2022-02-23)
Obtaining high added value products in the chemical industry is directly related to separation operations carried out to achieve the specifications required by regulatory agencies. The crystallization, one of the most used ...
Comparação da eletroxidação de compostos orgânicos usando eletrodos plano e tela considerando a área eletroativa e a transferência de massa
(Universidade Federal de São Carlos, 2022-02-22)
Toxic organic compounds present in industrial effluents have their concentration limits for disposal determined by increasingly strict environmental and sanitary laws, as they can cause serious problems to the environment ...
Otimização da produção de ácido 3-hidroxipropiônico por Escherichia coli via engenharia metabólica e de processos
(Universidade Federal de São Carlos, 2022-10-14)
The integration of substrates from bioprocesses is of great interest due to the need of destination
for them and the possibility of converting them into value-added products. Among these
substrates, the hydrolysates ...
CuOx-RHO aplicados para conversão de metano em metanol
(Universidade Federal de São Carlos, 2022-05-25)
The direct oxidation of methane (CH4) into higher value-added products, such as
methanol, has recently gained tremendous interest. The challenge is an over-oxidation of
methanol to CO2 and water due to the difficulty in ...
Análise do desempenho de máscaras na retenção de nanopartículas de acordo com as normas técnicas
(Universidade Federal de São Carlos, 2022-05-31)
In early 2020, the SARS-CoV-2 virus caused a disease known as COVID-19 that caused a worldwide pandemic. As a result, there was an increase in the demand for PPE (masks, aprons, gown, etc.) in the hospital environment. ...
Produção integrada de etanol de cana-de-açúcar e milho em usinas flex: simulação e análises tecno-econômica e ambiental
(Universidade Federal de São Carlos, 2022-03-03)
Liquid biofuels are important alternatives to traditional fossil fuels, not only environmentally, but also socially and from an energy security standpoint. Brazil has a consolidated infrastructure for the production, ...
Estudo da transferência de calor e de massa em um leito fixo espesso de grãos de sorgo com reversão de sentido do escoamento de ar
(Universidade Federal de São Carlos, 2022-03-31)
Drying is one of the highest cost unit operations in the chemical industry, with complex momentum, heat and mass transfer mechanisms. The main objective of this work was to develop a systematic study on thick layer drying, ...