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אסיף מאגר המחקר החקלאי
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Effect of pH and ionic strength on boron adsorption by pyrophyllite
Year:
1994
Authors :
Keren, Rami
;
.
Volume :
58
Co-Authors:
Keren, R.
Sparks, D.L.
Facilitators :
From page:
1095
To page:
1100
(
Total pages:
6
)
Abstract:
This study was conducted to determine the effect of edge surface properties of 2:1 clay on B adsorption. Pyrophyllite, which shows little deviation from the ideal formula of dioctahedral structure of 2:1 clay type, was used for that purpose. Boron adsorption increased with increasing ionic strength. The effect of ionic strength on B adsorption was smaller at pH 7 than at pH 9, consistent with the decrease in B(OH)-4 activity fraction in equilibrium solution at pH 7 and the low affinity of the clay to B(OH)3. The hypothesis is supported that the negative electrical field associated with planar surfaces affects B adsorption -from Authors
Note:
Related Files :
Adsorption
Boron
clay mineral
Ionic strength
pH
Pyrophyllite
Show More
Related Content
More details
DOI :
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
Language:
English
Editors' remarks:
ID:
24464
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:07
Scientific Publication
Effect of pH and ionic strength on boron adsorption by pyrophyllite
58
Keren, R.
Sparks, D.L.
Effect of pH and ionic strength on boron adsorption by pyrophyllite
This study was conducted to determine the effect of edge surface properties of 2:1 clay on B adsorption. Pyrophyllite, which shows little deviation from the ideal formula of dioctahedral structure of 2:1 clay type, was used for that purpose. Boron adsorption increased with increasing ionic strength. The effect of ionic strength on B adsorption was smaller at pH 7 than at pH 9, consistent with the decrease in B(OH)-4 activity fraction in equilibrium solution at pH 7 and the low affinity of the clay to B(OH)3. The hypothesis is supported that the negative electrical field associated with planar surfaces affects B adsorption -from Authors
Scientific Publication
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