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PREPARATION AND CHARACTERIZATION OF ZnO/CuO SEMICONDUCTOR AND PHOTOCATALYTIC ACTIVITY ON THE DECOLORIZATION OF DIRECT RED 80 AZODYE
(Soc Chilena Quimica, 2015-12-01)
Zinc oxide, an n-type semiconductor, has been used as photocatalyst for contaminated water purification by organic compounds. The addition of a p-type semiconductor as copper oxide could increase the catalytic efficiency ...
Avaliação oxidativa do biodiesel de pinhão manso em diferentes processos de purificação
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em QuímicaFísico-Química; Química, 2013-07-18)
The objective of this study was to analyze the oxidative stability of biodiesel from jatropha
obtained from different purification processes, three wet processes with different drying (in a
vacuum oven, conventional oven ...
Análise da influência da variabilidade da composição do efluente de abatedouro e frigorífico na otimização do seu tratamento por eletrocoagulação
(Universidade Tecnológica Federal do ParanáMedianeiraBrasilEngenharia AmbientalUTFPR, 2018-11-22)
The growth of industrial activities is constant, but tied to this the environmental impacts also increase. The animal slaughter and meat processing sector is a potential consumer of water, consequently generating a large ...
Cu/MnOxeCeO2 and Ni/MnOxeCeO2 catalysts for the water-gas shift reaction: Metal-support interaction
(Pergamon-elsevier Science Ltd, 2014-05-27)
Monometallic copper and nickel catalysts supported on cerium-manganese mixed oxides are prepared, characterized and evaluated for the WatereGas Shift (WGS) reaction. Active metal loading of 2.5 wt% and 7.5 wt% are used ...
CO removal for hydrogen purification via Water Gas Shift and COPROX reactions with monolithic catalysts
(Elsevier, 2022-02)
A combination of Water Gas Shift (WGS) and CO preferential oxidation (COPROX) reactions is considered a promising approach for CO removal in an H2 feed employed for PEM fuel cells. Honeycomb monolithic catalysts were studied ...
Improving selectivity to dinitrogen using Palladium-Indium coated on activated carbon fibers: Preparation, characterization and application in water-phase nitrate reduction using formic acid as an alternative reductant source
(Elsevier Ltd, 2018-08)
This work reports results on the preparation, characterization and application of activated carbon fibers as structured catalysts used in the decontamination of water containing nitrates. Activated carbon fibers were coated ...
Estudo da variação de concentração de cloreto de sódio no processo de eletrocoagulação aplicado ao tratamento de água
(Universidade Tecnológica Federal do ParanáLondrinaBrasilEngenharia AmbientalUTFPR, 2017-06-12)
The availability and quality of water intended for human consumption, is one of the main concerns in the present days, which has intensified the search for alternative water treatment process. Electrocoagulation, which ...
Influência da sanitização e do armazenamento nos compostos bioativos de manga 'palmer' in natura e processada
(Universidade Estadual Paulista (Unesp), 2015-12-09)
The aim of this study was to investigate the influence of sanitizers (ozone and sodium hypochlorite) in the bioactive compounds content and antioxidant activity during cold storage and marketing simulation grown in mango ...