Unveiling the enhanced rhodamine B degradation in water by Sn3O4@Au: Insight into degradation pathway and by-products toxicity evaluation
Mohammad Babu Safa,
No information about this author
J.P. Steffy,
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Asad Syed
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et al.
Journal of Water Process Engineering,
Journal Year:
2025,
Volume and Issue:
72, P. 107475 - 107475
Published: March 23, 2025
Language: Английский
Chemical oxygen demand (COD) reduction in wastewater from the textile industry by coagulation-flocculation and adsorption
Environmental Monitoring and Assessment,
Journal Year:
2025,
Volume and Issue:
197(5)
Published: April 10, 2025
Language: Английский
Activated Carbons from Apricot Kernel Shells for Wastewater Treatment: Adsorption of Pb2+ and Rhodamine B with Equilibrium, Kinetics, Thermodynamics, and DFT Analysis
Processes,
Journal Year:
2025,
Volume and Issue:
13(6), P. 1715 - 1715
Published: May 30, 2025
Apricot
kernel
shells
were
evaluated
as
a
sustainable
activated
carbon
precursor
for
wastewater
treatment
using
experimental
and
theoretical
methods.
Two
adsorbents
synthesized:
physically
with
CO2
(AKS-CO2)
chemically
H3PO4
(AKS-H3PO4).
Comprehensive
materials
characterization
adsorption
tests
Pb2+
ions
Rhodamine
B
dye
(RhB)
model
pollutants
revealed
that
AKS-H3PO4
significantly
outperformed
its
counterpart.
With
an
exceptionally
high
specific
surface
area
(1159.4
m2/g)
enriched
phosphorus-containing
functional
groups,
the
demonstrated
outstanding
removal
efficiencies
of
85.1%
80.3%
RhB.
Kinetic
studies
showed
followed
pseudo-second-order
kinetics,
indicating
chemisorption,
while
RhB
fitted
pseudo-first-order
suggesting
intra-particle
diffusion
control.
The
thermodynamic
analysis
confirmed
spontaneity
both
processes:
was
exothermic
under
standard
conditions
positive
isosteric
heat
at
higher
concentrations,
reinforcing
chemisorption
nature,
whereas
endothermic,
consistent
physisorption.
Density
Functional
Theory
(DFT)
calculations
further
elucidated
mechanisms,
revealing
preferentially
binds
to
oxygen-containing
interacts
through
hydrogen
bonding
π–π
stacking.
These
findings
establish
apricot
shell
high-performance
adsorbent,
exhibiting
exceptional
capacity
ionic
molecular
contaminants
distinct
mechanisms.
Language: Английский
Defect engineering of sulfur vacancies in ZnIn2S4 nanoflower integrated with Ag0 in NaBH4 activation toward organic contaminates degradation: Critical role of Cu2+ and mechanism insight
J.P. Steffy,
No information about this author
Asad Syed,
No information about this author
B. Janani
No information about this author
et al.
Journal of Water Process Engineering,
Journal Year:
2025,
Volume and Issue:
75, P. 108057 - 108057
Published: June 1, 2025
Language: Английский