scholarly journals Pure zeolite X synthesized from coal fly ash by pretreatment with solid alkali and using seed crystal

2019 ◽  
Vol 479 ◽  
pp. 012081
Author(s):  
N Q Lv ◽  
T G Zhou ◽  
H Liu ◽  
T T Li ◽  
Y Zhang ◽  
...  
Keyword(s):  
Fly Ash ◽  
Coal Fly Ash ◽  
Seed Crystal ◽  
Zeolite X

In situ ultrasonic diagnostic of zeolite X crystallization with novel (hierarchical) morphology from coal fly ash

Ultrasonics ◽  
2014 ◽  
Vol 54 (2) ◽  
pp. 537-543 ◽  
Author(s):  
Nicholas M. Musyoka ◽  
Leslie F. Petrik ◽  
Eric Hums ◽  
Hasan Baser ◽  
Wilhelm Schwieger
Keyword(s):  
Fly Ash ◽  
Coal Fly Ash ◽  
Zeolite X ◽  
Hierarchical Morphology

Characterization of a Novel Zeolite Synthesized from Coal Fly Ash

2014 ◽  
Vol 886 ◽  
pp. 84-87 ◽  
Author(s):  
Ning Wei ◽  
Xiao Lin Wang ◽  
Wei Xiong Guan ◽  
Yi Ge Guo
Keyword(s):  
Fly Ash ◽  
Surface Area ◽  
Cation Exchange Capacity ◽  
Coal Fly Ash ◽  
Nitrogen Adsorption ◽  
Exchange Capacity ◽  
Synthesis Process ◽  
Zeolite X ◽  
Adsorption Method

The purpose of this work is to study a novel zeolite synthesized from coal fly ash that were pretreated by alkaline fusion method. The main characters of the zeolite like mineralogymorphologyspecific surface area (SSA) cation exchange capacity (CEC) and thermal stability were studied during synthesis process. The XRD result showed that the synthesized zeolite was identified as zeolite X. The CEC of the synthesized zeolite was tested to be 195mmol/100g. The specific surface area (SSA) of the zeolite was determined by the nitrogen adsorption method and the SSA of the zeolite were 44.72m2/g.

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