Scientific essentials of developing geochemical sorption barriers against lead based on aminoplastic-ground composite materials

A procedure was developed to obtain a lead-protective sorption barrier based of sandy grounds modified with an uncatalyzed aminoplastic oligomer. The optimum component proportions in the ground composite were found in experiments. It was shown that the sorptive capacity of modified sandy ground cons...

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Bibliographic Details
Published in:Moscow University geology bulletin 2015-03, Vol.70 (2), p.171-176
Main Authors: Rodkina, I. A., Samarin, E. N.
Format: Article
Language:English
Subjects:
Composite materials
Earth and Environmental Science
Earth Sciences
Geochemistry
Geology
Lead
Montmorillonite
Sorption
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Summary:A procedure was developed to obtain a lead-protective sorption barrier based of sandy grounds modified with an uncatalyzed aminoplastic oligomer. The optimum component proportions in the ground composite were found in experiments. It was shown that the sorptive capacity of modified sandy ground considerably exceeded that of montmorillonite. The composite of this formulation is capable of adsorbing up to 500 mg of lead per 1 cm3 with loose packing with no compacting.
ISSN:0145-8752
1934-8436
DOI:10.3103/S0145875215020076