Search
Now showing items 21-30 of 676
Metodologia para guiar o desenvolvimento e implementação industrial de novas tecnologias unindo engenharia econômica e Engenharia de (bio)processos e sistemas : aplicação à produção de etanol de segunda geração
(Universidade Federal de São Carlos, 2016-03-18)
Lignocellulosic ethanol, also called second generation ethanol, is a promising alternative for decreasing fossil fuel dependency globally. Nevertheless, its production process still needs further improvements in order to ...
Valoração de resíduos e subprodutos agroindustriais utilizando reatores anaeróbios em fermentação escura para produção de hidrogênio, etanol e ácidos orgânicos
(Universidade Federal de São Carlos, 2015-04-17)
The aim of this work was to evaluate hydrogen, ethanol and organic acids productions
from several substrate, including, agribusiness byproducts, such as cheese whey,
hydrolyzed cellulose and crude glycerol, and simple ...
Estudo da produção de biodiesel utilizando etanol e óleo de soja ou de macaúba, catalisada por lipase de mamona e de Thermomyces lanuginosus
(Universidade Federal de São Carlos, 2015-02-27)
Biodiesel, a fuel produced from renewable sources, is a sustainable substitute to meet the growing global energy demand. The transesterification (alcoholysis) of oils and fats is the route most used in biodiesel synthesis, ...
Estudos de melhorias no processo de hidrólise enzimática de biomassas para produção de etanol
(Universidade Federal de São Carlos, 2016-02-04)
In this work it was evaluated, firstly, the performance of four impellers configurations in the enzymatic hydrolysis of sugarcane bagasse. The configurations evaluated were: (1): Rushton turbine - Rushton turbine; (2): ...
Aplicação de biorreatores anaeróbios em diferentes temperaturas para produção de hidrogênio a partir de águas residuárias agroindustriais
(Universidade Federal de São Carlos, 2016-03-18)
The present evaluated the influence of hydraulic retention time (HRT), cheese whey substrate
concentration, temperature in thermophilic range (55 a 75oC) and cofermentation of sugar
cane stillage and cheese whey in ...
Catalisadores de Co e Pt suportados em La2O3 e SiO2 aplicados na reforma a vapor do etanol
(Universidade Federal de São Carlos, 2015-03-24)
In intense search best environmental conditions, it is necessary to invest in renewable fuels, affordable and low polluting. With the aim to participate in this effort, this work was undertaken to study the steam reforming ...
Produção microbiológica de ácido propiônico, 1,3-propanodiol e hidrogênio a partir de glicerol bruto em reator anaeróbio de leito fluidizado
(Universidade Federal de São Carlos, 2015-04-24)
This study aimed to produce propionic acid, 1,3-propanediol and hydrogen in anaerobic
fluidized bed reactor with grounded tire as support material for immobilization of
biomass. The experiment took place during 278 days ...
Síntese e propriedades de sílicas híbridas contendo surfactantes catiônicos
(Universidade Federal de São Carlos, 2015-09-21)
The control of pore geometry and pore diameter of silica mesoporous materials is
necessary for application of these materials, mainly in industrial process that depends on the shape selectivity. This way, considerable ...
A influência da morfologia do MgO nas propriedades catalíticas do SiO2/MgO para a formação de 1,3-Butadieno a partir de etanol
(Universidade Federal de São Carlos, 2016-05-31)
Ethanol has been largely studied in the past few decades as a substitute to fossil fuels
in the synthesis of a large variety of chemicals. 1,3-Butadiene, one of these compounds, is an important chemical intermediate and ...
Secagem em leito fixo de sementes com mucilagem.
(Universidade Federal de São Carlos, 2004-04-06)
Attempting to contribute with the studies on mucilaginous seeds drying, the objective of this work is to study the simultaneous heat and mass transfer during drying in fixed bed of papaya seeds with and without mucilage. ...