Impact of Zeolites and other Porous Materials on the New by R. Aiello, F. Testa, G. Giordano PDF

By R. Aiello, F. Testa, G. Giordano

ISBN-10: 0444511741

ISBN-13: 9780444511744

Crystalline solids with hugely based micro-scale pores are referred to as zeolites. Their well-defined constitution and massive touch floor lead them to super worthwhile as catalysts. Their commonest use is in washing powders. diversified positive factors are attributable to the form and dimension of the pores and the presence of alternative metals within the crystal constitution. study is performed either in the direction of higher knowing of the family members among shape and serve as and in the direction of deciding upon new attainable uses.
This identify provides a suite of contributions from the world over well known researchers within the box of the technology and expertise of micro and mesoporous fabrics. the purpose of the convention is to create a global discussion board the place researchers from academia in addition to from can talk about principles and assessment the impression of zeolites, and different porous fabrics, on new applied sciences initially of the hot millennium.
· Gives the latest advancements within the beginning, synthesis and characterisation of zeolitic materials
· Outlines the influence and alertness of zeolites in numerous commercial processes
· An adjourned country of paintings within the box of zeolites and different porous fabrics

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Extra info for Impact of Zeolites and other Porous Materials on the New Technologies at the Beginning of the New

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15. Q. 1992 16. IL, August 20-25(1995) Studies in Surface Science and Catalysis 142 R. Aiello, G. Giordano and F. V. All rights reserved. 1007 Synthesis o f Anthraquinone from Phthalic Anhydride with Benzene over Zeolite Catalyst Y. -R. Miao, Q. -B. -R. 158 Zhong Shan Road, Dalian, 116012 China *To whom correspondence should be addressed The synthesis of anthraquinone(AQ) from phthalic anhydride(PhA) with benzene over acidic type of zeolite. 6g/g zeolite) catalyst was the best catalyst: at 523K WHSV=5h 1, and benzene/phthalic anhydride(mol)=25.

As shown in Table 3, the maximum yield of ROP was obtained for the Pt/beta catalysts (ca. 22 wt%) followed by Pt/USY (ca. 16 wt%) under the reaction conditions used. However, Pt/beta also produced higher yields of light products (C3-C6 alkanes and C7-C9 naphthenes), despite the maximum ROP yield occurred at a lower reaction temperature (250~ These products are most probably formed from ROP by consecutive cracking and dealkylation reactions, suggesting that the potential yield of ROP should be even higher than that experimentally obtained on Pt/beta.

1-4. == 300"C =: 400~ ~. 1300 1400 1500 I HB 1800 1700 1800 1900 2000 Wavenumber(cm "1) Fig. o . . ,~ 300"C , 400"C V 'I i I V 9 1300 1 4 0 0 ~ n , 1500 n v t, t 1600 | 9 1700 n ,. 1800 I _. 1900 I , . _, ..... | 3000C f 400~ i | ! _ I 1300-1400 . , I 1600 , I 1700 = I 1800 9 I . --- ;1500 1_. ~ 1600 1 1700 i. i ~,, 1800 I . 1900 . t . I . 4 Pyridine-IR of H[3zoelite catalyst modified by ThO2 Table 3. IR characterization results of catalysts surface acidic property HIB Catalyst Ce203-H~ CeO2-H~ ThO2-H~ B/L .

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Impact of Zeolites and other Porous Materials on the New Technologies at the Beginning of the New by R. Aiello, F. Testa, G. Giordano

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