NDLI: Testing of Natural Sorbents for the Assessment of Heavy Metal Ions' Adsorption

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Testing of Natural Sorbents for the Assessment of Heavy Metal Ions' Adsorption

Content Provider	MDPI
Author	Yurak, Vera Apakashev, Rafail Dushin, Alexey Usmanov, Albert Lebzin, Maxim Malyshev, Alexander
Copyright Year	2021
Description	Nowadays, the sorption-oriented approach is on the agenda in the remediation practices of lands contaminated with heavy metals. The current growing quantity of research accounts for different sorbents. However, there is still a lack of studies utilizing the economic criteria. Therefore, to ensure a wide application of opportunities, one of the necessary requirements is their economic efficiency in use. By utilizing these criteria, this manuscript researches the generally accepted natural sorbents for the assessment of heavy metal ions’ adsorption, such as peat, diatomite, vermiculite and their mixtures in different proportions and physical shapes. The methodological base of the study consists of the volumetric (titrimetric) method, X-ray fluorescence spectrometry and atomic absorption spectrometry. Experimental tests show a certain decline in the efficiency of heavy metal ions’ adsorption from aqueous salt solutes as follows: granular peat–diatomite > large-fraction vermiculite > medium-fraction vermiculite > non-granular peat–diatomite > diatomite.
Starting Page	3723
e-ISSN	20763417
DOI	10.3390/app11083723
Journal	Applied Sciences
Issue Number	8
Volume Number	11
Language	English
Publisher	MDPI
Publisher Date	2021-04-20
Access Restriction	Open
Subject Keyword	Applied Sciences Water Science and Technology Natural Sorbents Ameliorants Disturbed Lands Heavy Metals Adsorption Recultivation Environmental Remediation Revitalization Renaturation Restoration Rehabilitation Reclamation
Content Type	Text
Resource Type	Article

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