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Indian Journal of Chemical Technology (IJCT) >
IJCT Vol.11 [2004] >
IJCT Vol.11(5) [September 2004] >
| Title: | Determination of micropore volume and surface area of zeolite molecular sieves by D-R and D-A equations: A comparative study |
| Authors: | Vyas, Raj K
Shashi
Kumar, Surendra |
| Keywords: | D-A equation
D-R equation
13X molecular sieves
micropore volume
zeolite molecular sieves
physisorption measurements |
| Issue Date: | Sep-2004 |
| Publisher: | CSIR |
| IPC Code: | B01 J 29/04 |
| Abstract: | Dubinin-Astakhov (D-A) equation is used for
determining the micropore volume and surface area of zeolite molecular sieves
(ZMS) by using physisorption measurements. Likewise, Dubinin–Radushkevich (D-R)
equation is used for the estimation of these parameters for carbon molecular
sieves (CMS), and, unlike D-A equation it does not require the estimation of
the exponent n. In this paper,
surface area and micropore volume of 13X molecular sieves (MS) have been
determined by using both D-A and D-R equations. The results by both equations
are in very good agreement. Therefore,
D-R equation may also be used for estimation of these parameters because its
application is simple and easier |
| Page(s): | 704-709 |
| ISSN: | 0975-0991 (Online); 0971-457X (Print) |
| Source: | IJCT Vol.11(5) [September 2004]
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