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EFFECT OF GRINDING ON THE STRUCTURE AND BEHAVIOR OF BENTONITES.
Year:
1978
Source of publication :
Clays and Clay Minerals
Authors :
Gal, Menachem
;
.
Kliger, Lilian
;
.
Mingelgrin, Uri
;
.
Saltzman, Sarina
;
.
Volume :
26
Co-Authors:
Mingelgrin, U.
Kliger, L.
Gal, M.
Saltzman, S.
Facilitators :
From page:
299
To page:
307
(
Total pages:
9
)
Abstract:
The structure and behavior of homoionic bentonites was markedly affected by a grinding procedure often applied to clays. The main changes observed on clay powders were the breakage of weakly bound large aggregates, the reduction in the tactoids' thickness by delamination, the reduction in the plates' area, and the formation of colloidal matter. The tendency of clays to form secondary aggregates in aqueous suspensions is probably due to the exposure of active broken edges following grinding. The mild mechanical stress applied increased both the rate and the amounts of parathion sorbed by clays from an apolar solvent. The effect of grinding on parathion adsorption in aqueous clay suspensions seems to be a rate effect. Refs.
Note:
Related Files :
bentonite
CLAY - Microstructure
MINERALOGY - Analysis
PHYSICAL CHEMISTRY
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Related Content
More details
DOI :
Article number:
Affiliations:
Database:
Scopus
Publication Type:
Language:
English
Editors' remarks:
ID:
22663
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:53
Scientific Publication
EFFECT OF GRINDING ON THE STRUCTURE AND BEHAVIOR OF BENTONITES.
26
Mingelgrin, U.
Kliger, L.
Gal, M.
Saltzman, S.
EFFECT OF GRINDING ON THE STRUCTURE AND BEHAVIOR OF BENTONITES.
The structure and behavior of homoionic bentonites was markedly affected by a grinding procedure often applied to clays. The main changes observed on clay powders were the breakage of weakly bound large aggregates, the reduction in the tactoids' thickness by delamination, the reduction in the plates' area, and the formation of colloidal matter. The tendency of clays to form secondary aggregates in aqueous suspensions is probably due to the exposure of active broken edges following grinding. The mild mechanical stress applied increased both the rate and the amounts of parathion sorbed by clays from an apolar solvent. The effect of grinding on parathion adsorption in aqueous clay suspensions seems to be a rate effect. Refs.
Scientific Publication
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