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Exhausted fluid catalytic cracking catalysts as raw materials for zeolite synthesis

Paper ID Volume ID Publish Year Pages File Format Full-Text
49097 46549 2006 6 PDF Available
Title
Exhausted fluid catalytic cracking catalysts as raw materials for zeolite synthesis
Abstract

The utilization of exhausted fluid catalytic cracking (FCC) catalysts as raw materials for the zeolite synthesis was analyzed. Samples of the catalysts directly released from FCC units and the corresponding impact grinding pretreated samples were used. Mechanical treatment was observed to decrease catalyst crystallinity and particle size. The catalyst reactivity was analyzed in terms of conversion in zeolite and product properties. Hydrothermal synthesis experiments in NaOH medium were performed. Catalysts conversion in A and X type zeolites was obtained for treated and not treated samples. In particular, high conversion in NaX type were achieved using the more siliceous catalyst, whereas grinding activation produces a decrease of particle size and Al/Si ratio of the zeolites obtained.

Keywords
Exhausted catalysts; Catalysts disposal; Zeolite synthesis; X zeolite; Grinding treatments
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Exhausted fluid catalytic cracking catalysts as raw materials for zeolite synthesis
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 66, Issues 3–4, 20 July 2006, Pages 186–191
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us