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Biosorption of nickel ions from aqueous solutions by natural and modified peanut husks: equilibrium and kinetics
Author(s) -
Burevska Katerina Atkovska,
Memedi Hamdije,
Lisichkov Kiril,
Kuvendziev Stefan,
Marinkovski Mirko,
Ruseska Gordana,
Grozdanov Anita
Publication year - 2018
Publication title -
water and environment journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 37
eISSN - 1747-6593
pISSN - 1747-6585
DOI - 10.1111/wej.12325
Subject(s) - biosorption , husk , aqueous solution , chemistry , metal ions in aqueous solution , adsorption , kinetics , nickel , metal , environmental chemistry , sorption , botany , organic chemistry , physics , quantum mechanics , biology
The toxicity and non‐biodegradation of heavy metals, as well as their tendency to accumulate in the soils, water resources and the living organisms, makes them the significant environmental pollutants. Therefore, the reduction and elimination of heavy metal ions from aqueous systems is very important from the ecological, nutritional and environmental reasons. The aim of this study is to investigate whether the natural peanut husks, an agricultural waste, and their chemically modified form are capable to remove Ni(II) ions from aqueous solutions using batch method and to compare their efficiency. The effects of the mass of the natural peanut husks and the initial pH of the solution were studied to find the optimal conditions for maximal removal of Ni(II) ions. MATLAB/Curve Fitting Toolbox was implemented to determine the adequate adsorption isotherm as well as to optimise the equilibrium state of the investigated systems.