Desalination and Water Treatment,
Journal Year:
2023,
Volume and Issue:
310, P. 167 - 180
Published: Oct. 1, 2023
Phenol
is
known
to
be
toxic
pollutant
causing
adverse
impact
on
human
health
and
environment.Thus,
the
present
study
aimed
remove
phenol
from
aqueous
solutions
utilising
natural
palm
date
leaf
(NL)
chemically
activated
with
H
3
PO
4
carbon
(ACL).Brunauer-Emmett-Teller
analysis,
Fourier-transform
infrared,
X-ray
diffraction,
scanning
electron
microscopy
coupled
energy-dispersive
spectroscopy
are
techniques
used
characterize
sorbents.The
removal
capacity
of
NL
ACL
was
investigated
in
batch
experiments
taking
content
(10-70
mg/L),
time
(15-240
min),
pH
(2-12),
adsorbent
dose
(0.1-0.6
g),
temperature
(25°C-65°C).The
maximum
decontamination
efficiencies
(42.4%)
(91.5%)
ACL,
respectively,
were
obtained
at
a
6,
25°C
0.4
g
for
each.The
kinetic
equilibrium
adsorption
data
fit
well
pseudo-second-order
model
Temkin
isotherm,
respectively.Furthermore,
utmost
sorption
7.645
13.369
mg/g
attained
respectively.The
results
studied
diffusion
models
revealed
that
mechanism
onto
not
only
controlled
by
film
but
also
intraparticle
diffusion.Also,
thermodynamic
identified
non-spontaneous
exothermic
nature
adsorption.The
research
determined
could
promising
potential
adsorbents
contaminated
water.
Journal of Water Process Engineering,
Journal Year:
2024,
Volume and Issue:
66, P. 106018 - 106018
Published: Aug. 31, 2024
Photocatalytic
membrane
reactors
(PMRs)
are
widely
studied
for
wastewater
decontamination
but
reactions
too
slow
scaled
up
application.
This
PMR
study
proposes
a
novel
operation
involving
rapid
in
just
one
pass
through
the
confined
space
within
membrane.
approach
was
demonstrated
first
time
by
light
transmitting
(LT-PMR)
conveniently
receiving
UV
LED
(λpeak
=
365
nm)
via
permeate
side
to
photocatalyst
P25
TiO2
microfiltration
coated
on
porous
glass.
A
93
%
reduction
model
contaminant
phenol
concentration
from
10
mg/L
feed
occurred
at
flux
of
4.7
L/m2/h.
The
degradation
without
any
residence
external
vessels
or
recirculation.
Phenol
almost
entirely
mineralised
confirmed
total
organic
carbon
(TOC)
measurements,
with
trace
by-products
identified
high
pressure
liquid
chromatography
(HPLC)
analysis.
Mass
transfer
and
reaction
rate
constants
Langmuir-Hinshelwood
modelling
were
comparable
literature.
Highest
rates
lowest
concentrations
highlighting
potential
destroy
recalcitrant
pollutants
persisting
established
treatments.
LT-PMR
is
therefore
an
effective
practical
process
that
very
rapidly
destroys
phenol.
Further
work
explore
improved
enhanced
transmission,
tailored
catalytic
materials
demonstration
other
water
matrices
warranted.
Applied Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 9, 2024
Abstract
Photocatalytic
coatings
have
the
potential
to
contribute
purification
of
water
via
an
advanced
oxidation
process
(AOP).
A
commonly
used
method
for
analyzing
mechanism
photocatalytic
performance
a
given
reactor
type
is
document
degradation
behavior
in
solution
containing
methylene
blue.
However,
since
blue
rather
unstable,
results
should
be
viewed
critically.
In
this
work,
test
with
on
quartz
glass
surfaces
coated
titanium
dioxide
(TiO
2
)
anatase
modification
was
investigated
through
variety
different
light
sources.
The
coating
deposited
by
physical
vapor
deposition
(PVD)
reactive
pulsed
DC
magnetron
sputtering
ion
plating
(MSIP)
described
study
Desch
and
Lake,
while
glasses
were
100
nm
thick
TiO
outside.
same
all
experiments
.
determination
rate,
additional
performed
using
pure
without
any
coating,
which
made
it
possible
examine
influence
sources
rate
general.
Three
sources,
namely
UV‐A,
UV‐C,
simple
fluorescent
lamps
study.
concentration
recorded
photo
spectrometer
10‐min
increments
throughout
experiment
24
h
cases.
Our
data
indicates
that
poor
because
not
clearly
differentiable
due
low
stability
substance.
Without
including
reference
testing
absence
catalyst,
may
subject
misinterpretation.
Desalination and Water Treatment,
Journal Year:
2023,
Volume and Issue:
310, P. 167 - 180
Published: Oct. 1, 2023
Phenol
is
known
to
be
toxic
pollutant
causing
adverse
impact
on
human
health
and
environment.Thus,
the
present
study
aimed
remove
phenol
from
aqueous
solutions
utilising
natural
palm
date
leaf
(NL)
chemically
activated
with
H
3
PO
4
carbon
(ACL).Brunauer-Emmett-Teller
analysis,
Fourier-transform
infrared,
X-ray
diffraction,
scanning
electron
microscopy
coupled
energy-dispersive
spectroscopy
are
techniques
used
characterize
sorbents.The
removal
capacity
of
NL
ACL
was
investigated
in
batch
experiments
taking
content
(10-70
mg/L),
time
(15-240
min),
pH
(2-12),
adsorbent
dose
(0.1-0.6
g),
temperature
(25°C-65°C).The
maximum
decontamination
efficiencies
(42.4%)
(91.5%)
ACL,
respectively,
were
obtained
at
a
6,
25°C
0.4
g
for
each.The
kinetic
equilibrium
adsorption
data
fit
well
pseudo-second-order
model
Temkin
isotherm,
respectively.Furthermore,
utmost
sorption
7.645
13.369
mg/g
attained
respectively.The
results
studied
diffusion
models
revealed
that
mechanism
onto
not
only
controlled
by
film
but
also
intraparticle
diffusion.Also,
thermodynamic
identified
non-spontaneous
exothermic
nature
adsorption.The
research
determined
could
promising
potential
adsorbents
contaminated
water.
