Effect of hydrodynamic conditions on the hydrocracking process

Manshilin, V. V.; Vail, Yu. K.; Manakov, N. Kh.; Vasilenko, V. P.; Kheifets, A. E.

doi:10.1007/bf00718044

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(2 citation statements)

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“…They are (1) the acid-treated aluminosilicates, (2) amorphous synthetic silica-alumina combinations, and (3) the crystalline, synthetic silica-alumina combinations better known as zeolites or molecular sieves. All of these are high temperature acids and their catalytic activity is attributed to their acidity (26,109,110,159,167,168,174,183,186,217,229,230,282,284,316).…”

Section: Hydrocracking Catalystmentioning

confidence: 99%

“…This higher activity may be used for increased liquid yields, greater selectivity for midbarrel product, or reduced catalyst inventory (316). Some of the major points of agreement between amorphous and crystalline silica-alumina catalysts are that both owe their activity to their acidity (109,167,174,282,284), show promotional effect of olefins (85, 217), and act through carbonium ion mechanism (186, 229, 229b). The main points of disimilarity between the two lie in the differences in ion-exchange activity and in acidity distribution as mentioned earlier.…”

Section: Hydrocracking Catalystmentioning

confidence: 99%

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Hydrocracking: A Review

Choudhary¹,

Saraf²

1975

Product R&D

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This paper conforms to the usual concept of an embellished literature survey and as such is useful as a review of technology. In an area of such broad scope no authors can be expected to offer a meaningful assessment of differing effects from the so numerous variables. There is value in the paper as an up-dating of events since the notable publications "Advances in . Hydrocracking" (Advan. Petrol. Chem. Refining, 8, 169 (1964)) and "Hydrocracking To-day and Tomorrow" (Petro/Chem Eng., 37, 32-35 (Oct 1965)).

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