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buffaloli

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[×ÊÔ´] ¡¾×ÊÔ´¡¿Zeolite related materials in organic syntheses Bronsted-Lewis Catalysis ÒÑÓÐ2È˲ÎÓë

Present-day main applications of synthetic zeolites include the use as cation exchangers in
detergent formulations, as selective adsorbents in drying and separations, and as catalysts in oil
refining and petrochemistry.
In the latter areas by far the greatest use is in catalytic cracking, other important areas being
hydrocracking, hydroisomerization and aromatics processing
In a not too far
future the methanol-to-lower-olefins (MTO) process may constitute another important
application.
Compared to the successful use of zeolites in hydrocarbon processing, their use in the
synthesis of organic intermediates and fine chemicals is in a relatively early state of development.
Two reasons for this are
- many of the target organic systems to be synthesized are too bulky to be built in or to desorb
from the zeolite pore systems
- the average synthetic organic chemist is not sufficiently acquainted with zeolites, their
handling and tuning and their potential, other than their use as drying agent.



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        http://www.163pan.com/files/80100160j.html
                http://www.docin.com/p-58110795.html...
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[ Last edited by buffaloli on 2010-8-14 at 18:35 ]
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The most updated novel applications of zeolites in biomass transformation are not included in this chapter.
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