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Avaliação da dolomita funcionalizada para remoção de H2S em gás naturalAvaliação da dolomita funcionalizada para remoção de H2S em gás natural
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em Ciência e Engenharia de MateriaisProcessamento de Materiais a partir do Pó; Polímeros e Compósitos; Processamento de Materiais a part, 2008-05-02)
The natural gas is an alternative source of energy which is found underground in porous and permeable rocks and being associated or not to the oil. Its basic composition includes methane, other hydrocarbon and compounds ...
Energetic features of copper and lead sorption by innovative aminoalcohol-functionalized cobalt phyllosilicates
(Royal Soc ChemistryCambridgeInglaterra, 2010)
Mecanismos de degradação de materiais em uma refinaria de petróleo
(Universidade Federal de Minas GeraisBrasilENG - DEPARTAMENTO DE ENGENHARIA MECÂNICAPrograma de Pós-Graduação em Engenharia MecanicaUFMG, 2022-09-01)
This thesis addressed four mechanisms of damage in the oil refining industry, as well as alternatives for their mitigation. The first mechanism addressed involves corrosion by ammonium disulfide in acidic water units. The ...
Química computacional aplicada ao estudo de estrutura e reatividade de quinoxalinas biologicamente relevantes
(BrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM QUÍMICA, 2017-08-18)
Quinoxaline are part of a family of heterocyclic compounds with a wide spectra of applications in many subjects, for instance biological activities. Nowadays, quantum chemistry methods has been proving of particular ...
A sensitivity analysis and a comparison of two simulators performance for the process of natural gas sweetening
(Elsevier, 2016-04)
Chemical processes simulation is an important instrument for the design, optimization and control of industrial plants. Simulation cases can be accomplished with relatively low costs and the absence of risks for the ...
Simulación del Proceso de Absorción Química con soluciones de Aminas para la purificación de biogás
(Centro de Información Tecnologica, 2013-01)
The influence of some key operating parameters and of different types of amines in biogas purification is analyzed. For this a conventional single-loop absorber-stripper process configuration was simulated using four ...
Comparação entre métodos cromatográficos, empregando GC-ECD, GC-FPD e GC-MS, e espectrofotométrico para determinação de ditiocarbamatos em alface
(Universidade Federal de Santa MariaBRQuímicaUFSMPrograma de Pós-Graduação em Química, 2005-08-03)
Brazil is the third largest market for pesticide sales in the world, with almost 400 active ingredients registered in the country, including five dithiocarbamates. This pesticide class consists of very important protective ...
Optimization of post-combustion CO2 process using DEA-MDEA mixtures
(Elsevier, 2011-09)
This paper presents optimal operating conditions for the post-combustion CO2 capture process utilizing aqueous amine solutions obtained using a process simulator (HYSYS). Three alkanolamine solutions (Methyldiethanolamine ...