Continuous synthesis process of nanosized y zeolite
AssigneeSaudi Arabian Oil Company
InventorsLianhui DING, Faisal M. ALOTAIBI, Mohammad ALJISHI
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Abstract
A method of producing a zeolite catalyst comprises mixing a basic solution with an aluminum/silicon mixture to form a basic aluminum solution, the aluminum/silicon mixture comprising a silicon source and an aluminum source; feeding the basic aluminum solution into a first reactor to form a hydrogel, at a temperature from 20° C. to 40° C. for a residence time from 1 hour to 30 hours; crystallizing the hydrogel in a second reactor to form zeolite crystals at a temperature from 50° C. to 70° C. for a residence time of 12 hours to 24 hours; and transferring the zeolite crystals to a third reactor having a third reaction temperature of 80° C. to 100° C. for a residence time of 12 hours to 24 hours.
Claims18
A method of producing a zeolite catalyst, comprising:
- mixing a basic solution with an aluminum/silicon mixture to form a basic aluminum solution, the aluminum/silicon mixture comprising a silicon source and an aluminum source;
- feeding the basic aluminum solution into a first reactor to form a hydrogel, at a temperature from 20° C. to 40° C. for a residence time from 1 hour to 30 hours;
- crystallizing the hydrogel in a second reactor to form zeolite crystals at a temperature from 50° C. to 70° C. for a residence time of 12 hours to 24 hours;
- and
- transferring the zeolite crystals to a third reactor having a third reaction temperature of 80° C. to 100° C. for a residence time of 12 hours to 24 hours.
Dependencies are inferred from the claim text.