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Hidrodessulfurização do dibenzotiofeno
Paperback
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ISBN10: 620783092X
ISBN13: 9786207830923
Publisher: Edicoes Nosso Conhecimento
Published: May 27 2025
Pages: 100
Weight: 0.32
Height: 0.24 Width: 6.00 Depth: 9.00
Language: Portuguese
ISBN13: 9786207830923
Publisher: Edicoes Nosso Conhecimento
Published: May 27 2025
Pages: 100
Weight: 0.32
Height: 0.24 Width: 6.00 Depth: 9.00
Language: Portuguese
A indústria petrolÃfera está sujeita ao cumprimento de regulamentos governamentais que exigem a produção e utilização de combustÃveis mais amigos do ambiente, com menor teor de enxofre. Além disso, o nÃvel de enxofre em combustÃveis como a gasolina e o gasóleo deve ser reduzido para 0,01 ppm. Por este motivo, o desenvolvimento de catalisadores com elevada atividade e seletividade para o processo de hidrodessulfurização (HDS) é um dos problemas mais prementes da indústria petrolÃfera.O objetivo desta investigação foi orientado para o desenvolvimento de catalisadores sólidos mesoporosos como o MCM-48 com incorporação de MoS2 e NiMoSx gerados in situ, por duas vias de sÃntese: Decomposição de hexacarbonilo de molibdénio mais enxofre durante a impregnação e impregnação incipiente com heptamolibdato de amónio com ou sem Ni mais H2/H2S. Foi também avaliado o comportamento e o desempenho catalÃtico destes sólidos na reação de desidrodessulfurização do dibenzotiofeno.
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