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Title: Sulfur removal from model fuel by Zn impregnated retorted shale and with assistance of design of experiments
Authors: Martinelli, Antonio Eduardo
Lima, Flávia Melo de
Borges, Talitha de Andrade
Braga, Renata Martins
Melo, Dulce Maria de Araújo
Keywords: Adsorption;Retorted shale;Fuel;Sulfur;Factorial design;Statistic
Issue Date: 5-Mar-2018
Publisher: Springer
Citation: LIMA, Flávia Melo de; BORGES, Talitha de Andrade; BRAGA, Renata Martins; MELO, Dulce Maria de Araújo; MARTINELLI, Antônio Eduardo. Sulfur removal from model fuel by Zn impregnated retorted shale and with assistance of design of experiments. Environmental Science And Pollution Research, [S.L.], v. 25, n. 14, p. 13760-13774, 5 mar. 2018. Springer Science and Business Media LLC. Disponível em: Acesso em: 11 jan. 2021.
Portuguese Abstract: There is global concern about acid rain and other pollution which is caused by the consumption of oil. By decreasing sulfur content in the oil, we can reduce unwanted emissions and acid rain. Shale was used which is a solid waste generated in the pyrolysis of shale, impregnated with Zn as an adsorbent which removes sulfur present in fuels from the hexane/toluene model solution. An influence of the agitation time (60–180 min), temperature (25–35 °C), adsorbent mass (0.1–0.25 g), and initial sulfur concentration (100–250 ppm) factorial 24 with three central points totaling 19 experiments was applied to investigate the effect of the variables on the efficiency of sulfur removal in fuels. The values of the parameters tested for maximum sulfur removal were obtained as follows: contact time = 180 min, temperature = 35 °C, adsorbent mass = 0.25 g, and initial sulfur concentration = 100 ppm. The mathematical model proposed with R2 99.97% satisfied the experimental data. This may provide a theoretical basis for new research and alternative uses for tailings of schist industrialization in order to evaluate its potential
ISSN: 1614-7499
Appears in Collections:CT - DEMAT - Artigos publicados em periódicos
EAJ - Artigos publicados em periódicos
IQ - Artigos publicados em periódicos

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