Authors :
Michael Biney; Swati Chandola; Vipin Kumar Saini
Volume/Issue :
Volume 8 - 2023, Issue 10 - October
Google Scholar :
http://tinyurl.com/5n75hpar
Scribd :
http://tinyurl.com/385n23yd
DOI :
https://doi.org/10.5281/zenodo.10390868
Abstract :
The study aimed to modify Bentonite Clay
into a composite adsorbent (BENR 2:8) through Mg/Fe
pillaring. The modification process involved the removal
of residual cationic species from the Bentonite Clay,
which increased its surface negative charge. This, in
turn, facilitated faster and higher adsorption of BENR
2:8 compared to raw, un-pillared Bentonite Clay.
According to the kinetics study, the selected BENR 2:8
follows Elovich isotherm expression, and the rate of
solute adsorption decreases exponentially as the amount
of adsorbed solute increases. The adsorption mechanism
is explained by surface chemistry changes and
adsorption kinetics. Notably, BENR 2:8 has a higher
maximum phosphate adsorption (up to 22.03%) than
raw Bentonite Clay (up to 2.68%).
Keywords :
Bentonite, Phosphorus, Adsorption, Pillared Clay, Urine, Resource recovery.
The study aimed to modify Bentonite Clay
into a composite adsorbent (BENR 2:8) through Mg/Fe
pillaring. The modification process involved the removal
of residual cationic species from the Bentonite Clay,
which increased its surface negative charge. This, in
turn, facilitated faster and higher adsorption of BENR
2:8 compared to raw, un-pillared Bentonite Clay.
According to the kinetics study, the selected BENR 2:8
follows Elovich isotherm expression, and the rate of
solute adsorption decreases exponentially as the amount
of adsorbed solute increases. The adsorption mechanism
is explained by surface chemistry changes and
adsorption kinetics. Notably, BENR 2:8 has a higher
maximum phosphate adsorption (up to 22.03%) than
raw Bentonite Clay (up to 2.68%).
Keywords :
Bentonite, Phosphorus, Adsorption, Pillared Clay, Urine, Resource recovery.
