Separation and Purification Technology,
Journal Year:
2024,
Volume and Issue:
336, P. 126179 - 126179
Published: Jan. 5, 2024
Nano-zero
valent
iron
particles
(NZVI)
have
been
used
for
the
pesticide
pirimicarb
degradation
under
simulated
solar
radiation.
These
synthesized
by
extracts
from
agro-industrial
residues,
namely
vineyard
and
blueberry
pruning,
black
tea
algae,
so
they
can
be
labelled
as
"green-NZVI".
The
physico-chemical
properties
of
these
green-NZVI
were
compared
to
those
NZVI
with
NaBH4.
usage
residues
reducing
agent
not
only
provided
better
performant
but
also
evade
harmful
reagents.
Indeed,
this
process
is
within
circular
economy,
environmentally
friendly,
defeats
performance
widely
reported
photo-Fenton
Fe2+
catalyst.
96.5
%
was
achieved
radiation
15
min
0.08
mM
H2O2
0.16
extract.
Further,
developed
optimized
in
terms
reagents
concentration
natural
antioxidant
extract
synthesis,
which
demonstrated
a
strong
effect
on
due
differences
phenolic
compounds
present
them.
pathway
analysed,
confirming
successful
degradation.
In
concentration,
it
reduced
its
sequential
addition
time.
Under
optimal
conditions,
even
real
effluents
successfully
degraded.
Environmental Chemistry Letters,
Journal Year:
2023,
Volume and Issue:
21(4), P. 2337 - 2398
Published: May 4, 2023
Access
to
drinkable
water
is
becoming
more
and
challenging
due
worldwide
pollution
the
cost
of
treatments.
Water
wastewater
treatment
by
adsorption
on
solid
materials
usually
cheap
effective
in
removing
contaminants,
yet
classical
adsorbents
are
not
sustainable
because
they
derived
from
fossil
fuels,
can
induce
secondary
pollution.
Therefore,
biological
sorbents
made
modern
biomass
increasingly
studied
as
promising
alternatives.
Indeed,
such
biosorbents
utilize
waste
that
would
otherwise
pollute
systems,
promote
circular
economy.
Here
we
review
biosorbents,
magnetic
sorbents,
other
cost-effective
with
emphasis
preparation
methods,
types,
mechanisms,
regeneration
spent
adsorbents.
Biosorbents
prepared
a
wide
range
materials,
including
wood,
bacteria,
algae,
herbaceous
agricultural
waste,
animal
waste.
Commonly
removed
contaminants
comprise
dyes,
heavy
metals,
radionuclides,
pharmaceuticals,
personal
care
products.
Preparation
methods
include
coprecipitation,
thermal
decomposition,
microwave
irradiation,
chemical
reduction,
micro-emulsion,
arc
discharge.
Adsorbents
be
classified
into
activated
carbon,
biochar,
lignocellulosic
clays,
zeolites,
peat,
humic
soils.
We
detail
isotherms
kinetics.
Regeneration
supercritical
fluid
desorption.
also
discuss
exhausted
adsorbent
management
disposal.
found
agro-waste
remove
up
68–100%
while
wooden,
herbaceous,
bacterial,
marine-based
55–99%
metals.
Animal
waste-based
1–99%
The
average
removal
efficiency
modified
around
90–95%,
but
some
treatments,
cross-linked
beads,
may
negatively
affect
their
efficiency.
Scientific Reports,
Journal Year:
2022,
Volume and Issue:
12(1)
Published: May 5, 2022
In
this
work,
a
simple
and
green
synthesis
procedure
for
phytofabrication
Zinc
oxide-silver
supported
biochar
nanocomposite
(Ag/ZnO@BC)
via
Persicaria
salicifolia
biomass
is
investigated
the
first
time
to
uphold
numerous
chemistry
such
as
less
hazardous
chemical
syntheses.
XRD
technique
showed
crystal
structure
of
phytosynthesized
Ag/ZnO@BC,
whereas
UV-visible
spectroscopy,
FT-IR,
SEM,
EDX,
TEM,
XPS
analyses
indicated
successful
biosynthesis
nanocomposite.
Testing
photocatalytic
potential
novel
in
removal
TC
under
different
conditions
unraveled
its
powerful
photodegradation
efficiency
that
reached
70.3%
optimum
reaction
conditions:
concentration;
50
ppm,
pH;
6,
dose
Ag/ZnO@BC;
0.01
g,
temperature;
25
°C,
H2O2
100
mM.
The
reusability
Ag/ZnO@BC
was
evident
it
53%
after
six
cycles
regeneration.
also
shown
be
potent
antimicrobial
agent
against
Klebsiella
pneumonia
well
promising
antioxidant
material.
Therefore,
current
work
presented
could
efficiently
employed
various
environmental
medical
applications.
Journal of Porous Materials,
Journal Year:
2022,
Volume and Issue:
30(2), P. 607 - 618
Published: Oct. 27, 2022
Abstract
In
this
investigation,
new
porous
adsorbent
beads
were
formulated
via
the
incorporation
of
graphene
oxide
(GO)
into
cellulose
acetate
(CA)
for
adsorptive
removal
methylene
blue
(MB)
dye.
The
experimental
results
signified
that
adsorption
MB
dye
increased
with
increase
in
GO
ratio
from
10
to
25%.
addition,
process
obeyed
PSO
kinetic
model
and
Langmuir
isotherm
a
maximum
capacity
reaching
369.85
mg/g.
More
importantly,
it
was
proposed
mechanism
onto
GO@CA
proceeded
electrostatic
interactions,
H-bonding,
van
der
Waals
forces,
n-π
π
-π
interactions.
Besides,
fabricated
exhibited
an
excellent
ability
recycle
reuse
after
five
successive
cycles.
there
high
selectivity
towards
molecules
presence
co-existing
cations
such
as
Fe
2+
,
Zn
Cu
Ni
.
RSC Advances,
Journal Year:
2022,
Volume and Issue:
12(13), P. 8228 - 8248
Published: Jan. 1, 2022
The
huge
development
of
the
industrial
sector
has
resulted
in
release
large
quantities
phosphate
anions
which
adversely
affect
environment,
human
health,
and
aquatic
ecosystems.
