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Now showing items 641-650 of 650
On the drag coefficient in particle agglomerates: a CFD approach to propose a new drag correlation
(Universidade Federal de São Carlos, 2023-07-31)
In particle-laden flows, it is essential to model the fluid-particle interaction. However, depending on effects such as friction and attraction, surface properties, and collisions, particles can agglomerate, generating new ...
Encapsulamento de Trichoderma harzianum em matrizes à base de nanocelulose e carboximetilcelulose para aplicação na agricultura
(Universidade Federal de São Carlos, 2023-06-21)
Microbial inoculants are a sustainable alternative to increase agricultural productivity and reduce environmental and health problems caused by the exacerbated use of agrochemicals. These bio-based products are formulations ...
Influência de agentes de ativação na geração de espécies ativas em zeólitas Cu-ZSM-5 – aplicação na conversão de metano a metanol
(Universidade Federal de São Carlos, 2023-12-01)
Climate change is a current topic of much debate around the world and is a consequence of the impact of the intensification of the greenhouse effect caused by the accumulation in the atmosphere of gases such as carbon ...
Photocatalytic degradation of organic pollutants through peroxymonosulfate activation: photocatalysts and reaction mechanisms
(Universidade Federal de São Carlos, 2023-06-30)
Water pollution from organic compounds has become a growing concern worldwide due to the risks imposed on human health and the environment. The rapid advancements in the pharmaceutical and agricultural industries have ...
Previsão da composição e dos volumes das fases durante a cinética enzimática do biodiesel etílico com lipase líquida utilizando modelo UNIFAC
(Universidade Federal de São Carlos, 2023-06-29)
The production of biodiesel catalyzed by lipases, especially by transesterification of vegetable oils, has been gaining importance in recent decades because it is an efficient and sustainable process. The main differential ...
Cultivo de Streptococcus zooepidemicus: modelagem e produção de ácido hialurônico
(Universidade Federal de São Carlos, 2018-03-01)
Hyaluronic acid is a biopolymer found in many organisms, which has several biomedical applications, like viscosupplementation and aesthetic procedures. Such applications are associated with its rheological properties, that ...
Precoating em filtro de mangas para remoção de material particulado e potencial redução da emissão de SO2 na dessulfurização
(Universidade Federal de São Carlos, 2023-05-25)
The steel industry is responsible for generating pollutants that need to be treated before being released into the atmosphere, various gases such as ammonia, benzene, carbon monoxide, sulfur dioxide and particulate matter. ...
Método para alocação de métricas de impacto ambiental em unidades industriais multiproduto
(Universidade Federal de São Carlos, 2023-05-24)
Life cycle assessment is an environmental, economic, and social evaluation technique focused on understanding and quantifying the impacts related to a particular product, good, or service. This assessment considers all ...
Síntese de catalisadores básicos na presença de surfactantes hexadeciltrimetilamônio
(Universidade Federal de São Carlos, 2023-06-12)
The synthesis of two basic catalysts — CTA-MCM-41 and ZIF-8 — were studied in the presence of the surfactant hexadecyltrimethylammonium bromide (CTAB), which forms micelles in aqueous dispersions. The catalysts were ...
Emprego de agente complexante e irradiações por feixe de elétrons e laser femtosegundos como estratégias para alterações da propriedade fotoluminescente do α-Ag2WO4
(Universidade Federal de São Carlos, 2023-06-22)
The discovery of room temperature photoluminescence has driven the development of various optical-electronic devices, motivated the search for new photoluminescent materials, and stimulated the modeling of this property ...