Heterogeneous photocatalysis is a technology that can be used for the treatment of wastewater and one of the interesting aspects of this technique is the possibility of using visible light (solar) to activate the photocatalyst. ...

Metal nanoparticles may exhibit distinct catalytic behavior when there are particle size variations at nanometric scale. Cu nanoparticles supported on SiO2 and CAB-O-SIL® were synthesized with different metal loadings by ...

This work aims to contribute to the development of the ethanol production process from xylooligomers (XO) extracted from sugarcane bagasse hemicellulose through the hydrolysis of XO to xylose, xylose isomerization catalyzed ...

The inhibitory effect of ethanol on yeast and the temperature rise during the fermentation are the major drawbacks of the conventional ethanol production process. The use of extractive alcoholic fermentation with CO2 ...

The CO oxidation is considered one of the most studied reactions in heterogeneous catalysis. Although several studies have been developed in this field, the impact of some properties of catalysts, such as the oxygen mobility, ...

Nowadays, people spend considerable part of their time indoors with air conditioners on. Even at work, in a car or at home, they expose themselves to what is known as indoor air pollution. The market offers a variety of ...

Zeolites are microporous, crystalline aluminosilicates that have numerous advantages due to their intrinsic properties such as acidity, hydrothermal stability and shape selectivity. However, the presence of micropores ...

Soybean seed is a renewable feedstock and the production process of soybean meal and soybean refined oil generates residues that can be exploited, in such a way that the biorefinery concept can be applied to this production ...

Typical hydrometallurgical processes for metal production such as zinc, copper, nickel and cobalt, among others, are carried out in huge electrochemical tankhouses since only low current densities can be applied in order ...

The use of eucalyptus kraft as biomass for an integrated production of sugars and new added-value products such as nanocellulose, stands out a potential strategy for the implementation of a forest biorefinary, that can ...