alexa Preparation Of The Natural Zeolite Based Catalyst For Hydrocracking Process Of Petroleum Derived Atmospheric Residue
ISSN: 2161-0401

Organic Chemistry: Current Research
Open Access

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3rd International Conference on Organic and Inorganic Chemistry
July 17-19, 2017 Chicago, USA

Tserendorj Tugsuu
National University of Mongolia, Mangolia
Posters & Accepted Abstracts: Organic Chem Curr Res
DOI: 10.4172/2161-0401-C1-020
Abstract
This research is focused to prepare the natural zeolite based catalysts for hydrocracking and to compare their catalytic reactivity. The clinoptilolite type natural zeolite of Tsagaantsav in Dornogobi province and the paraffinic atmospheric residue of Tamsagbulag crude oil in Dornod province were used in this research. The quality of adsorption or the ion exchange capacity of natural zeolite was improved from 0.21 mmol/g to 0.41 mmol/g after washing and thermal activation of natural zeolite. The Ni or Fe ion was loaded into the zeolite sample which was enriched and calcined previously, by ion exchange method. The prepared Ni/zeolite, Fe/zeolite catalysts were identified by the clinoptilolite type zeolite by database in D500 instrument, which was used in X-ray diffraction analysis. It means the structure of natural zeolite was not broken down during the metal loading. The researchers assigned that the thermal stability of Tsagaantsav zeolite is 950oC of temperature. Therefore Ni/zeolite, Fe/zeolite catalysts were possible to use in hydrocracking process, which is carried out at 450оС - 500оС of temperature. The atmospheric residue (AR) conversion, the contents of sulfur were determined after hydrocracking used the prepared zeolite catalyst, the commercial catalyst and without catalyst. The AR conversion in hydrocracking, with prepared zeolite was used which was 22.5% higher than none catalytic process and 8.9% higher than commercial catalyst. It is proved that both of modified zeolite catalysts worked effectively as a catalyst in hydrocracking of AR. Even so the contents of sulfur in middle and heavy fraction were 490-615 ppm after hydrocracking with Ni/zeolite, Fe/zeolite catalysts. This result was evidenced the Ni/zeolite, Fe/zeolite catalysts were inactive at hydrodesulfurization, because the contents of sulfur in middle and heavy fraction were 370-478 ppm after hydrocracking without catalyst. Therefore there is a need for the sulfur removal process for products after hydrocracking with Ni/zeolite or Fe/zeolite catalysts.
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