instead of the selectivity of the zeolite at a single condition makes much more
efficient the development process of a new zeolitic adsorbent.
In the following sections, first a description and classification of the commercially
available zeolitic adsorbents and associated separation technologies will be provided. In a second part, the attention will be focused on a collection of selected
examples devoted to illustrating different approaches available for implementation
when tailoring a new zeolitic adsorbent. Based on the main properties of a given
adsorbent, the proposed methods are intended to establish a link with the performances of a given industrial application.
3 Overview of Commercial Zeolites and Their Evolution
Although the synthesis of 237 ordered as well as 11 additional partially disordered
zeolite structure types have nowadays been registered by the International Zeolite
Association [2], only a handful of zeolites are commercially available. A
non-exhaustive list of them is provided in Table 1. When focusing on those
employed for gas adsorption or separation applications, the different forms of
faujasite (FAU) and Linde Type A (LTA) are the most employed.
As can be seen, most of the commercially available and industrially found
zeolites are generated by the modification of a very limited number of topologies.
Table 1 Non-exhaustive list of commercially available low silica zeolites
Zeolite
Structural
code
Commercial
denomination
Cation
Window
size [Å]
Pore
size
a [Å]
Manufacturers/
suppliers
Faujasite
(Na)X
FAU
13X, Zeolum
F-9, Sylosiv
A10
Na
7.4
11.2
Zeolyst, Arkema,
Tosoh, GRACE
Faujasite
(Na)Y
FAU
LZY-54,
HSZ-320NAA,
CBV100
Na
7.4
11.2
Zeolyst, TOSOH,
UOP
Zeolite A LTA
Siliporite NK30,
3A, Zeolum
A-3, Sylosiv A3
K
3
11.0
Arkema,
GRACE,
TOSOH
Zeolite A LTA
Siliporite NK10,
4A, Zeolum
A-4, Valfor
G-100, Sylosiv
A4
Na
4
11.0
Arkema,
GRACE,
TOSOH
Zeolite A LTA
Siliporite NK20,
5A, Zeolum A-5
Ca
5
11.0
Arkema,
GRACE,
TOSOH
a Determined by Delaunay triangulation [3] making ideal assumptions (in absence of water and
extraframework cations)
198
J. Pérez-Pellitero and G. D. Pirngruber
efficient the development process of a new zeolitic adsorbent.
In the following sections, first a description and classification of the commercially
available zeolitic adsorbents and associated separation technologies will be provided. In a second part, the attention will be focused on a collection of selected
examples devoted to illustrating different approaches available for implementation
when tailoring a new zeolitic adsorbent. Based on the main properties of a given
adsorbent, the proposed methods are intended to establish a link with the performances of a given industrial application.
3 Overview of Commercial Zeolites and Their Evolution
Although the synthesis of 237 ordered as well as 11 additional partially disordered
zeolite structure types have nowadays been registered by the International Zeolite
Association [2], only a handful of zeolites are commercially available. A
non-exhaustive list of them is provided in Table 1. When focusing on those
employed for gas adsorption or separation applications, the different forms of
faujasite (FAU) and Linde Type A (LTA) are the most employed.
As can be seen, most of the commercially available and industrially found
zeolites are generated by the modification of a very limited number of topologies.
Table 1 Non-exhaustive list of commercially available low silica zeolites
Zeolite
Structural
code
Commercial
denomination
Cation
Window
size [Å]
Pore
size
a [Å]
Manufacturers/
suppliers
Faujasite
(Na)X
FAU
13X, Zeolum
F-9, Sylosiv
A10
Na
7.4
11.2
Zeolyst, Arkema,
Tosoh, GRACE
Faujasite
(Na)Y
FAU
LZY-54,
HSZ-320NAA,
CBV100
Na
7.4
11.2
Zeolyst, TOSOH,
UOP
Zeolite A LTA
Siliporite NK30,
3A, Zeolum
A-3, Sylosiv A3
K
3
11.0
Arkema,
GRACE,
TOSOH
Zeolite A LTA
Siliporite NK10,
4A, Zeolum
A-4, Valfor
G-100, Sylosiv
A4
Na
4
11.0
Arkema,
GRACE,
TOSOH
Zeolite A LTA
Siliporite NK20,
5A, Zeolum A-5
Ca
5
11.0
Arkema,
GRACE,
TOSOH
a Determined by Delaunay triangulation [3] making ideal assumptions (in absence of water and
extraframework cations)
198
J. Pérez-Pellitero and G. D. Pirngruber