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Contribuições da engenharia de sistemas em bioprocessos à transição para a economia neutra em carbono: análise tecno-econômica-ambiental de biorrefinarias
(Universidade Federal de São Carlos, 2020-03-16)
R&D of (bio)chemical processes should include economic analysis and environmental assessment since the early stages of research, to improve the chance of successful industrial implementation. Process Systems Engineering ...
Catalisadores de Ni suportados em óxidos sintetizados com líquido iônico: atividade catalítica na tri-reforma do metano
(Universidade Federal de São Carlos, 2019-04-11)
Tri-reforming reaction is a new method to use and convert CO2 from industrial plants effluents. The tri-reforming involved reactions are two endothermic reactions, the steam and dry reforming and the partial methane oxidation ...
Catalisadores à base de Ni/(CeZr)O2/MgAl2O4 e Ni/(X2O3+ZrO2)/MgAl2O4 (X=La, Sm e Y) aplicados à tri-reforma do metano visando produção de hidrogênio e gás de síntese
(Universidade Federal de São Carlos, 2019-03-26)
The Methane Tri-Reforming (MTR) is a combination of Methane Dry Reforming (MDR) and Methane Steam Reforming (MSR) coupled with the Partial Oxidation of Methane (POM). In the present work, nickel catalysts supported on ...
Fermentação alcoólica extrativa com remoção de etanol por arraste com CO2 e recuperação por absorção
(Universidade Federal de São Carlos, 2019-02-28)
Ethanol removal by CO2 stripping during alcoholic fermentation is one way of overcoming the problem of inhibition by the ethanol. However, the lack of efficient methods to recover the removed ethanol still makes the use ...
Preparação e caracterização de sílicas híbridas com surfactantes catiônicos
(Universidade Federal de São Carlos, 2018-02-16)
The silica with structure MCM-41 has a hexagonal mesoporous arrangement with one dimensional pore system. This silica as synthesized contains cations (usually the CTA+) in your pores and catalytic sites with basic character ...
Niobium-based oxides for oxidative and reductive photocatalytic reactions
(Universidade Federal de São Carlos, 2020-02-21)
It is growing the number of studies related to alternative technologies allowing both, environmental remediation and clean energy production. In this sense, photocatalysis is a promising process, since it is sustainable ...
Esterificação de glicerol com ácido benzoico sobre zeólitas H-ZSM-5 hierárquicas incorporadas com Zr ou Nb
(Universidade Federal de São Carlos, 2020-03-19)
Acid zeolites are microporous aluminosilicates, which exhibit negative charged AlO4- tetrahedrons in its lattice balanced by protons (H+), generating Brønsted acid sites (BAS). The Lewis acidity of zeolites is commonly ...
Estudo integrado das etapas de pré-tratamento e hidrólise enzimática da palha de cana-de-açúcar
(Universidade Federal de São Carlos, 2017-10-20)
The use of lignocellulosic biomass for ethanol production, such as, the sugarcane straw, suggests that additional steps should be included aiming the sugars release, that will be converted to ethanol via fermentative route. ...
Sacarificação e isomerização simultâneas de dextrina na produção de xarope de frutose por ação sinérgica de CLEAs magnéticos de amiloglicosidase e Sweetzyme®
(Universidade Federal de São Carlos, 2019-07-25)
High fructose syrup is a sweetener widely used as a substitute for sucrose by the food and beverage industry. It has many advantages such as relative sweetness superior to sucrose, high solubility, crystallization resistance ...
Estudo da produção de etanol a partir de xilose e xilooligômeros usando xilanases, xilose isomerase e levedura co-imobilizadas
(Universidade Federal de São Carlos, 2019-04-24)
The production of ethanol from xylose with the yeast Saccharomyces cerevisiae was initiated in the group with the SIF process (simultaneous isomerization and fermentation). This process allows total conversion of xylose, ...