THIOPHENE CRACKING USING MAGNESIUM MODIFIED BETA ZEOLITE

Ronaldo Costa Santos, Daniel Freire Almeida, Fernanda Silva Costa Fonseca, Diego Santana da Silva, Angelica Amaral de Oliveira, Danilo de Aguiar Pontes, Luiz Antônio Magalhães Pontes

Resumo


The development of additives for FCC catalysts aiming at a greater sulfur removal in the gasoline fraction has been a priority with tougher environmental legislation demands. In this context, this study has evaluated the effect of magnesium modified beta zeolite on n-hexane cracking, and the catalytic conversion of thiophene added as contaminant. Catalytic tests’ results, performed at low conversion at 400 ºC with a WHSV of 0.83 s-1 indicate that magnesium addition increased n-hexane cracking from 37.7 to 53.6% in mols, but favored the formation of alkylated sulfur compounds over H2S production.

Palavras-chave


Catalytic cracking; Beta zeolites; Thiophene

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DOI: https://doi.org/10.18540/jcecvl4iss4pp0378-0382

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Direitos autorais 2018 The Journal of Engineering and Exact Sciences

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