| 11. | As carbon rejection is very inefficient and wasteful in most cases, catalytic hydrocracking is preferred in most cases.
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| 12. | Dicoronylene was later discovered to occur as a by-product of the catalytic hydrocracking used in petroleum processing.
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| 13. | Synthetic zeolites are widely used as catalysts in the petrochemical industry, for instance in fluid catalytic cracking and hydrocracking.
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| 14. | The hydrogen produced is often used as an intermediate product for other oil refinery processes such as hydrocracking and hydrodesulfurization.
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| 15. | These include hydrocracking, hydrogenation, alkylation ( S N 2 ), oxidation, metalation and nucleophilic aromatic substitution.
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| 16. | The major products from hydrocracking are jet fuel and diesel, but low sulphur naphtha fractions and LPG are also produced.
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| 17. | Perrhenic acid combined with platinum on a support gives rise to a useful hydrogenation and hydrocracking catalyst for the petroleum industry.
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| 18. | "' Vegetable oil refining "'is a process to transform vegetable oil into biofuel by hydrocracking or hydrogenation.
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| 19. | The 17, 820-barrel-a-day hydrocracking unit will be down about two weeks, according to the filing.
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| 20. | The hydrocracking process depends on the nature of the feedstock and the relative rates of the two competing reactions, hydrogenation and cracking.
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