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96096

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Zeolite

Synonym(s):
Aluminosilicate
CAS Number:
EC Number:
MDL number:
NACRES:
NA.25

form

powder

Quality Level

particle size

<20 μm

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This Item
NIST8851NISTRM8850NIST8852
Sigma-Aldrich

Sigma-Aldrich

96096

Zeolite

vibrant-m

NIST8851

Zeolite A

vibrant-m

NISTRM8850

Zeolite Y

vibrant-m

NIST8852

Ammonium ZSM-5 Zeolite

particle size

<20 μm

particle size

-

particle size

-

particle size

-

Quality Level

100

Quality Level

-

Quality Level

100

Quality Level

-

General description

Choosing a Molecular Sieve:
1. The preferential adsorption of one molecule over another depends upon pore diameter and mesh size.
2. The dynamic capacity of the silica gel for adsorbing a particular compound is governed by the internal surface area; the greater the surface area, the greater the dynamic capacity.
3. Rate of adsorption and sharpness of resolution are dependent chiefly on particle size and column packing; a fine particle size gives optimum sharpness of resolution.
4. Liquids are most readily adsorbed from solvents in which they are least soluble; a good solvent makes a good desorbing agent.
5. Highly polar liquids are readily adsorbed. Compounds having hydroxyl groups, or containing oxygen are strongly adsorbed.
6. For similar compounds, the higher the molecular weight the higher the selectivity.
7. For hydrocarbons of similar molecular weight, adsorptivity increases with the number of double bonds.
Regeneration or Activation:
A saturated molecular sieve can be restored to its original capacity by regeneration, the principle of which involves changing the conditions surrounding the adsorbent to correspond to a very low equilibrium capacity. In general, the greater the difference between the equilibrium capacities of adsorption and regeneration, the more rapid and complete the regeneration.
The sieve may be regenerated in one of four ways:
1. Thermal reactivation –The maximum regeneration temperature for Silica is 300°C.
2. Pressure reactivation
3. Passing an appropriate fluid through the gel bed at normal temperature and pressure.
4. Displacement of adsorbates by passing a high concentration of molecules in a fluid through the bed.

Application

Zeolite, a microporous, aluminosilicate mineral, is used as a molecular sieve and as an adsorbent of a wide variety of cations, such as Na+, K+, Ca2+, Mg2+ and others. Zeolite is used in the development of a variety of bioreactor devices.

Other Notes

In the determination of serum triglycerides

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Lactic acid production on liquid distillery stillage by Lactobacillus rhamnosus immobilized onto zeolite.
Djukic-Vukovic AP, Mojovic LV, Jokic BM, et al.
Bioresource Technology (2012)
Benzylimidazolium cations as zeolite structure-directing agents. Differences in performance brought about by a small change in size.
Rojas A, Gomez-Hortiguela L, Camblor MA.
Dalton Transactions (2012)
C Mery et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 47(3), 420-427 (2012-02-11)
An evaluation of natural zeolite as a microorganism carrier in nitrifying reactors operated in batch mode was carried out. Specifically, the influence of zeolite particle sizes of 0.5, 1.0 and 2.0 mm in diameter on microorganism adherence to zeolite, ammonium
Hossein Jahangirian et al.
International journal of nanomedicine, 15, 1005-1020 (2020-02-28)
The aim of this study was to prepare zeolite/iron (III) oxide nanocomposites (zeolite/Fe2O3-NCs) as a smart fertilizer to improve crop yield and soil productivity. Zeolite/Fe2O3-NCs were successfully produced by loading of Fe2O3-NPs onto the zeolite surface using a quick green
Mehran Andalib et al.
Bioresource technology, 121, 411-418 (2012-08-07)
The primary objective of this work was to investigate the treatability of thin stillage as a by-product of bioethanol production plants using an anaerobic fluidized bed bioreactor (AFBR) employing zeolite with average diameter of (d(m)) of 425-610 μm and specific

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