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- W1567124826 abstract "Tetralin and a mixture of 5% phenanthrene in Tetralin were hydrotreated in a two-stage trickle-bed reactor over a commercial Ni-Mo/Alumina catalyst at 350/sup 0/C (662/sup 0/F) and 10.34 MPa (1500 psia). These runs were compared with the runs where 100 ppM of titanium as titanocene dichloride were added to the feedstocks. Both the catalyst and oil samples were analyzed to measure the catalyst activity and coking. An additional run was made to check the reproducibility of experiments. Meanwhile, preliminary studies were conducted on the homogeneous reaction of Tetralin with titanocene dichloride. These studies indicate a slow homogeneous reaction occurring between Tetralin and titanocene dichloride at room temperatures. Hydrotreatment experiments show that the addition of titanocene dichloride to the feedstocks increases the H/C ratio of the products. Similar effects are also observed when the distillation curves of the products are compared. Addition of titanocene dichloride lowers the bubble point curves for both feedstocks. However, the effects on the coke formation depend on the hydrocarbon feedstock used. While the addition of titanocene dichloride decreases the coke formation for Tetralin/phenanthrene feedstock, it gives increased coking when only Tetralin is hydrotreated. Gas chromatographic analyses show that Tetralin is hydrogenated to cis- and trans-decalin, withmore » small amounts of naphthalene formed as by-products of the process. Preliminary analysis of results excludes titanium or chloride as possible reasons of interference. It also indicates that probably the interference originates from some organic intermediates that are generated from titanocene dichloride. Further studies will be conducted to verify these results. 10 figures, 3 tables.« less" @default.
- W1567124826 created "2016-06-24" @default.
- W1567124826 creator A5042268494 @default.
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- W1567124826 date "1984-05-18" @default.
- W1567124826 modified "2023-09-27" @default.
- W1567124826 title "Hydrotreatment catalyst activity enhancement. Quarterly report No. 7, February 1, 1985-April 30, 1985. [Titanocene dichloride]" @default.
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