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Pré-tratamento alcalino (NaOH) do bagaço de cana-de açúcar para a produção de etanol e obtenção de xilooligômeros
(Universidade Federal de São Carlos, 2011-03-28)
The aim of this study was to optimize the pretreatment of sugarcane bagasse raw and exploded with diluted sulfuric acid, water and sodium hydroxide in order to obtain Xylooligosaccharides in hemicellulose and production ...
Estudo cinético da hidrólise enzimática de celulose de bagaço de cana-de-açúcar
(Universidade Federal de São Carlos, 2011-03-28)
This work presents a kinetic study of the enzymatic hydrolysis of three cellulosic substrates: filter paper (FP), used as a de-lignified substrate model; sugarcane bagasse (SB) steam exploded; and acid treated SB, the last ...
Isomerização do n-Hexano por platina suportada na zeólita H-ZSM-5 : efeito do teor de alumínio
(Universidade Federal de São Carlos, 2011-08-01)
The objective of this study was to verify the influence of the Si/Al ratio (11.5, 15.0, 25.0, 40.0 and 140.0) in zeolite ZSM-5 in the conversion, activity, selectivity and stability as bifunctional catalysts (Pt/H-ZSM-5) ...
Preparação de derivados de β-glicosidase por imobilização em suportes sólidos derivatizados
(Universidade Federal de São Carlos, 2011-02-25)
B-glucosidase (BG) is an important enzyme for several biotechnological applications. This enzyme plays an important role in hydrolyses of lignocellulosic biomass in order to produce second generation ethanol (2G ethanol). ...
Busca heurística e inferência de parâmetros cinéticos de reações de hidrotratamento de óleo diesel a partir de dados experimentais escassos
(Universidade Federal de São Carlos, 2011-06-30)
Currently, the amount of contaminants (such as sulfur, nitrogen and aromatics) in diesel oil is strictly controlled, due to their impact on pollutant emissions. The most important process used to meet fuel specifications ...
Estudo da alimentação de sólidos em sistemas de transporte pneumático
(Universidade Federal de São Carlos, 2011-03-03)
One of the most important parts in a pneumatic conveying is the solids feeding system due its complexity fluid dynamic, besides affecting the operational stability, economical and technical feasibility and system efficiency. ...
Sistema automático de supervisão e controle de cultivos de alta densidade celular de E. coli recombinante
(Universidade Federal de São Carlos, 2011-12-22)
High cell density cultivations of recombinant E. coli are a fast and economical way to produce recombinant proteins. Through this bioprocess, products with high added value and pharmaceuticals of great importance such as ...
Desenvolvimento de tecnologia para extração e recuperação de polihidroxialcanoatos obtidos a partir da sacarose de cana-de-açúcar
(Universidade Federal de São Carlos, 2011-11-30)
The main objective of this study was to contribute to the development of a competitive and sustainable process to produce polyhydroxyalkanoates (PHA's) from the fermentation substrate sucrose cane sugar. The study involved ...
Aperfeiçoamento de cultivos de alta densidade celular de rE.coli utilizando glicerol como fonte de carbono
(Universidade Federal de São Carlos, 2011-07-20)
Pneumococcal diseases are a major cause of mortality worldwide. New vaccines against Streptococcus pneumoniae are been developed. The pneumococcal surface protein A (PspA) is an important pneumococcal virulence factor and ...
Monitoramento ambiental e higiene ocupacional em uma indústria química da cidade de São Carlos SP: ênfase em qualidade do ar interior
(Universidade Federal de São Carlos, 2011-08-05)
In a workplace, workers are daily exposed to various physical and chemical agents which become health hazards and jeopardize the welfare of the affected individuals. Considering the issue of occupational hygiene and ...