Crossed reaction networks in the catalytic hydrodenitrogenation of synthetic liquid fuels. Quarterly report, February 1, 1983-April 30, 1983. [Effects of small quantities of H/sub 2/O, H/sub 2/S generated by adding CS/sub 2/; sometimes small quantities of decanol were present]
1983
Studies at 375/sup 0/C and 6.9 MPa revealed complex interactions between H/sub 2/O and H/sub 2/S which significantly affect the rate of overall hydrodenitrogenation. In the absence of H/sub 2/S, addition of H/sub 2/O (generated in situ from decanol) produces an increase in the overall HDN rate that is rapidly reversible. When H/sub 2/S is present, a comparable increase in overall rate is observed upon the addition of H/sub 2/O; however, most of this increase is maintained for a long period after the H/sub 2/O is removed. A standard resulfiding procedure reduces the catalyst activity to the level it had before addition of water.
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