Journal
PETROLEUM CHEMISTRY
Volume 57, Issue 12, Pages 1151-1155Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0965544117060226
Keywords
hydrogenation; hydrodearomatization; hydrotreating; sulfide catalysts; Ni-W; zeolites; micro/mesoporous supports; ZSM-5/SBA-15
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Funding
- Ministry of Education and Science of the Russian Federation under the federal target program Research and Development in Priority Fields of Science and Engineering in Russia [14.576.21.0087, RFMEFI57617X0087]
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The effect of the impregnation stage on the synthesis of NiW sulfide catalysts supported on the ZSM-5 zeolite has been studied. The hydrodearomatization (HDA) of light cycle oil (LCO) in the presence of a catalyst containing nickel and tungsten sulfides as an active phase impregnated onto a micro/mesoporous ZSM-5/SBA-15 support has been conducted. The catalyst has been compared with a commercial AGKD-400 diesel hydrotreating catalyst. It has been found that the impregnation of the supports with a solution containing an oxalic acid additive leads to an improvement in the morphology and composition of the active phase. The deepest hydrogenation is observed at 360A degrees C, 6 MPa H-2, and a LHSV = 0.5 h(-1). The amount of diaromatic hydrocarbons decreases 12-fold, and the sulfur content decreases by 90%.
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