Authors :
Aluko, Ojonimi Grace; Enokela, Onum Shadrach; Onoja Sam Baba; Igila Sodi Sunday
Volume/Issue :
Volume 8 - 2023, Issue 12 - December
Google Scholar :
http://tinyurl.com/mrxp3k3x
Scribd :
http://tinyurl.com/a4wn8pbf
DOI :
https://doi.org/10.5281/zenodo.10440665
Abstract :
This study investigates the efficacy of Moringa
oleifera seeds biomass in removing cadmium (Cd) from
contaminated water. The biomass was characterized
using scanning electron microscopy, infrared
spectroscopy, and point of zero charge techniques.
Adsorption experiments were conducted with varying
adsorbent dosages (2 mg - 10 mg), pH conditions (4.5, 5.5,
6.5, 7.5, and 8.5), and contact times (ranging from 40 to
200 minutes) to assess the impact of these parameters on
Cd removal. Optimal conditions for adsorption were
identified as 10 mg of adsorbent at pH 8.5 with a contact
time of 200 minutes. The M-Langmuir model was
employed to linearize the adsorption isotherms, revealing
a superior fit for Cd adsorption. The model suggested a
multilayer adsorption process with a chemical nature
characterized by an Amino mechanism. The maximum
adsorption capacity (Q max) of the Moringa oleifera
seeds biomass was determined to be 9.66 mg gā1,
indicating a robust interaction with the metal. In
conclusion, this study demonstrates the effectiveness of
Moringa oleifera seeds biomass as a bio-sorbent for the
adsorption of Cadmium from contaminated water. The
findings suggest its potential as a viable alternative
material for water purification and treatment, offering
valuable insights into the adsorption process and
mechanisms involved.
Keywords :
Moringa Oleifera Seeds Biosorbent; Contaminated Water, Dosage Concentration; Contactact Time; Ph; and Cadmium Removal Efficiency.
This study investigates the efficacy of Moringa
oleifera seeds biomass in removing cadmium (Cd) from
contaminated water. The biomass was characterized
using scanning electron microscopy, infrared
spectroscopy, and point of zero charge techniques.
Adsorption experiments were conducted with varying
adsorbent dosages (2 mg - 10 mg), pH conditions (4.5, 5.5,
6.5, 7.5, and 8.5), and contact times (ranging from 40 to
200 minutes) to assess the impact of these parameters on
Cd removal. Optimal conditions for adsorption were
identified as 10 mg of adsorbent at pH 8.5 with a contact
time of 200 minutes. The M-Langmuir model was
employed to linearize the adsorption isotherms, revealing
a superior fit for Cd adsorption. The model suggested a
multilayer adsorption process with a chemical nature
characterized by an Amino mechanism. The maximum
adsorption capacity (Q max) of the Moringa oleifera
seeds biomass was determined to be 9.66 mg gā1,
indicating a robust interaction with the metal. In
conclusion, this study demonstrates the effectiveness of
Moringa oleifera seeds biomass as a bio-sorbent for the
adsorption of Cadmium from contaminated water. The
findings suggest its potential as a viable alternative
material for water purification and treatment, offering
valuable insights into the adsorption process and
mechanisms involved.
Keywords :
Moringa Oleifera Seeds Biosorbent; Contaminated Water, Dosage Concentration; Contactact Time; Ph; and Cadmium Removal Efficiency.
