Abstract:
:The adsorption of contaminants plays an important role in the process of their elimination from a polluted environment. This work describes the issue of loading environment with lead Pb(II) and the resulting negative impact it has on plants and living organisms. It also focuses on bentonite as a natural adsorbent and on the adsorption process of Pb(II) ions on the mixture of bentonite and bottom sediment from the water reservoir in Kolíňany (SR). The equilibrium and kinetic experimental data were evaluated using Langmuir isotherm kinetic pseudo-first and pseudo-second-order rate equations the intraparticle and surface diffusion models. Langmuir isotherm model was successfully used to characterize the lead ions adsorption equilibrium on the mixture of bentonite and bottom sediment. The pseudo second-order model, the intraparticle and surface (film) diffusion models could be simultaneously fitted the experimental kinetic data.
journal_name
Bull Environ Contam Toxicoljournal_title
Bulletin of environmental contamination and toxicologyauthors
Hegedűsová A,Hegedűs O,Tóth T,Vollmannová A,Andrejiová A,Šlosár M,Mezeyová I,Pernyeszi Tdoi
10.1007/s00128-016-1950-0subject
Has Abstractpub_date
2016-12-01 00:00:00pages
876-880issue
6eissn
0007-4861issn
1432-0800pii
10.1007/s00128-016-1950-0journal_volume
97pub_type
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