Applicability of the modified diatomite for treatment of wastewater containing heavy metals

The paper studies various modifications of diatomite, aiming at creating sorbents for wastewater purification from heavy metal ions. Diatomite of the Akhmatovskoe deposit of the Penza region was considered as a raw material. The processes of physical and chemical modification of diatomite were inves...

Full description

Saved in:
Bibliographic Details
Published in:E3S web of conferences 2021-01, Vol.247, p.1052
Main Authors: Boriskov, Dmitry, Efremova, Sanya, Komarova, Nadezhda, Tikhomirova, Elena, Bodrov, Aleksey
Format: Article
Language:English
Subjects:
Adsorption
Chemical modification
Copper
Diatomaceous earth
Heavy metals
Metal industry wastewaters
Metal ions
Purification
Sorbents
Wastewater purification
Wastewater treatment
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:The paper studies various modifications of diatomite, aiming at creating sorbents for wastewater purification from heavy metal ions. Diatomite of the Akhmatovskoe deposit of the Penza region was considered as a raw material. The processes of physical and chemical modification of diatomite were investigated. Adsorption isotherms were constructed, quantitative characteristics of adsorption of copper ions on the surface of modified sorbents were obtained. A chemical modification (acidic and alkaline) is proposed, which results in an increased adsorption capacity for heavy metal ions. The applicability of diatomite for the purification of highly concentrated wastewater containing heavy metals is shown.
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/202124701052