Chemistry of inorganic compounds – Zeolite – Seed used
Reexamination Certificate
2011-06-28
2011-06-28
Brunsman, David M (Department: 1732)
Chemistry of inorganic compounds
Zeolite
Seed used
C423S700000
Reexamination Certificate
active
07968079
ABSTRACT:
The present disclosure provides a ready-to-use seed composition water, a source of silica, a source of alumina, and Na20, wherein the molar ratio of H20:Na20 ranges from 5 to 20, Na20:SiO2 ranges from 0.4 to 5 and SiO2:Al203 ranges from 1.3 to 5 used in the preparation of a synthetic faujasite zeolite which has high thermal stability and higher crystallite size. It further provides a process for preparing the ready-to-use seed composition for preparation of synthetic faujasite zeolite that requires lower crystallization time. The present disclosure provides a seed composition that does not require maturing time and a reaction gel composition that has low water and soda content. The present disclosure further provides a process for the preparation of synthetic faujasite zeolite by blending seed and reaction gel reaction composition to form a seed gel composition and subjecting it to crystallization.
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Arya Kapil
Choudhury Shiba Prasad
Christopher Jayaraj
Krishnan Venkatachalam
Kuvettu Mohan Prabhu
Brunsman David M
Indian Oil Corporation Limited
Lowe Hauptman & Ham & Berner, LLP
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