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- W4232714184 abstract "An investigation of the role of paraffin wax in the catalytic cracking of wax-bearing petroleum distillates has been carried out in a fixed-bed reactor containing La-Y catalyst over a temperature range from 482° to 524°C. By using the concept of initial product selectivity derived from the time-on-stream theory of catalyst decay, it was found that increasing the wax content of the feedstocks resulted in an increase in the yield of C5+ gasoline and a decrease in the yields of most of the gaseous products and of coke. Ethane and propylene and the olefin content of the gasoline increased in yield with the addition of wax. The mixing of cracking feedstocks has only a linear effect on the reactivity and no synergistic effects in any of the observed properties of the reaction are in fact observed. On a fait une étude du rǒle de la cire de paraffine dans le craquage catalytique de distillats de pétrole qui contiennent de la cire; cette étude a été fait dans un réacteur à lit fixe contenant un catalyseur à base de lanthaue et d'yttrium et à des températures comprises entre 482° et 524°C. En utilisant le concept de la sélectivité du produit initial, qui provient de la théorie de la désintégration du catalyseur basée sur son temps en service, on a trouvé que l'augmentation de la teneur en cire des charges d'alimentation produisait us accroissement dans le rendement de la gazoline C5+ et une diminution dans les rendements de la plupart des produits gazeux et du coke. L'éthane et le propylène ainsi que la teneur de la gazoline en oléfines ont manifesté un rendement accru avec l'addition de cire. Le mélange des charges d'alimentation n'a eu qu'un effet linéaire sur la réactivité et l'on n'a effectivement noté aucun effet synergistique dans n'importe laquelle des caractéristiques de la réaction observées." @default.
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- W4232714184 date "1976-12-01" @default.
- W4232714184 modified "2023-10-14" @default.
- W4232714184 title "The role of paraffin wax in the formation of minor products in the catalytic cracking of petroleum distillates over La-Y" @default.
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- W4232714184 doi "https://doi.org/10.1002/cjce.5450540618" @default.
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