International Journal of Phytoremediation,
Год журнала:
2024,
Номер
26(10), С. 1701 - 1715
Опубликована: Май 16, 2024
Pakistan
is
an
agricultural
country
producing
plenty
of
fruits,
like:
mango,
banana,
apple,
peaches,
grapes,
plums,
variety
citrus
fruits
including
lemon,
grapefruit,
and
oranges.
So
far
the
peels
most
are
usually
wasted
not
properly
utilized
anywhere.
In
this
work,
banana
grapefruit
converted
into
biochar
by
slow
pyrolysis
under
controlled
supply
air
used
for
sequestering
cyanide
ions
from
aqueous
medium
after
chemical
modification
with
ZnCl2
sodium
dodecyl
sulfate
(SDS).
The
modified
was
characterized
various
instrumental
techniques,
SEM,
FTIR,
TGA,
CHNS.
Different
parameters,
time,
temperature,
pH,
dose
adsorbent
affecting
adsorption
ions,
onto
prepared
were
optimized
to
understand
phenomenon,
kinetic
thermodynamic
studies
performed.
Concentration
estimated
employing
standard
ion
selective
electrode
system
it
found
that
Sodium
Dodecyl
Sulfate
treated
shown
more
capacity,
i.e.,:
17.080
mg/g
as
compared
all
samples.
Present
work
revealed
produced
fruit
waste
has
sufficient
potential
eliminate
trace
quantities
water,
especially
treatment
sulfate.
Royal Society Open Science,
Год журнала:
2024,
Номер
11(5)
Опубликована: Май 1, 2024
Synthetic
organic
dyes,
which
are
resistant
to
biodegradation,
pose
a
notable
health
risk,
potentially
leading
cancer
and
respiratory
infections.
Researchers
have
addressed
this
concern
by
exploring
physicochemical
methods
remove
dyes
from
wastewater.
A
particularly
promising
solution
involves
modified
biochar
adsorbents,
demonstrate
high
efficiency
in
dye
removal.
Biochar,
charcoal-like
material
derived
biomass
pyrolysis,
offers
advantages
such
as
low
cost,
eco-friendliness,
reusability.
Beyond
its
role
sustainable
soil
remediation,
proves
effective
removing
wastewater
after
undergoing
physical
or
chemical
modification.
Acid–base
activation
metal–heteroatom
impregnation
enhances
biochar's
adsorption
capacity.
This
comprehensive
review
examines
the
attributes
of
biochar,
common
for
production
modification,
impacts
raw
materials,
pyrolysis
temperature,
heating
rate
residence
time.
It
further
elucidates
mechanism
removal
assessing
factors
influencing
efficiency,
including
feedstock,
pH,
particle
size,
initial
concentration,
dosage
reaction
explores
challenges,
opportunities,
reusability
regeneration
treating
also
discusses
recent
advances
using
adsorption-based
biochar.
The
ultimately
advocates
enhancing
performance
through
post-modification.
Molecules,
Год журнала:
2024,
Номер
29(5), С. 1005 - 1005
Опубликована: Фев. 26, 2024
Nitrogen
and
phosphorus
play
essential
roles
in
ecosystems
organisms.
However,
with
the
development
of
industry
agriculture
recent
years,
excessive
N
P
have
flowed
into
water
bodies,
leading
to
eutrophication,
algal
proliferation,
red
tides,
which
are
harmful
aquatic
Biochar
has
a
high
specific
surface
area,
abundant
functional
groups,
porous
structure,
can
effectively
adsorb
nitrogen
water,
thus
reducing
environmental
pollution,
achieving
reusability
elements.
This
article
provides
an
overview
preparation
biochar,
modification
methods
advancements
adsorption
by
factors
influencing
as
well
mechanisms.
Furthermore,
difficulties
encountered
future
research
directions
regarding
biochar
were
proposed,
providing
references
for
application
adsorption.
Heliyon,
Год журнала:
2024,
Номер
10(10), С. e31351 - e31351
Опубликована: Май 1, 2024
Water
pollution
represents
one
of
the
most
important
problems
affecting
health
living
organisms,
so
it
was
necessary
to
work
on
formation
active
materials
get
rid
pollutants.
In
this
study,
Titanium
dioxide
(TiO2)
doping
Zinc
oxide
(ZnO)
nanocomposites
were
produced
via
simple
sonication
method
at
500
Hz
in
ethanol
medium.
different
weight
concentrations
(2.5,
5,
7.5,
and
10%).
The
morphology,
structure
configuration,
chemical
bonding,
crystalline
phase,
surface
properties
obtained
characterized
FESEM,
BET,
XRD,
XPS,
RAMAN
FTIR
instrumentation.
employed
as
an
adsorbent
eliminate
methyl
orange
(MO)
Indigo
Carmine
(IC)
dyes
from
aqueous
solution.
Batch
removal
experiments
revealed
that
elimination
MO
IC
by
TiZnO
pH
Ti
concentration-dependent,
with
maximum
occurring
=
7
for
3
contaminants
10%
concentration
(Ti(10%)@ZnO).
Langmuir
model
fit
absorptive
into
Ti(10%)@ZnO
well.
maximal
capacity
nanocomposite
found
be
994.24
mg.
g-1
305.39
IC.
showed
remarkable
high
stability
towards
both
through
consecutive
four
cycles.
Applied Sciences,
Год журнала:
2025,
Номер
15(2), С. 894 - 894
Опубликована: Янв. 17, 2025
The
leather
industries
are
large
producers
of
industrial
wastewater.
present
work
investigated
the
performance
calcium-rich
biochar
derived
from
cactus
cladodes
(CCB)
as
an
adsorbent
in
treatment
this
Biochar
samples
(CCB500,
CCB600,
and
CCB700)
were
produced
by
slow
pyrolysis
at
500,
600,
700
°C
tested
adsorbents
Repanil
Blue
(RB)
dye.
tests
carried
out
under
various
experimental
conditions.
RB
dye
removal
increased
with
contact
time,
dose,
concentration.
With
concentrations
between
10
125
mg/L,
efficiencies
80,
80
100%
reached
using
CCB500,
CCB700,
respectively.
Langmuir
model
pseudo-second-order
described
chemisorption
a
high
correlation
factor
(R2).
highest
adsorption
capacity
56
mg/g
was
obtained
CCB700
within
5
min.
results
strongly
suggest
that
biochars
promising
for
aqueous
solutions.
Processes,
Год журнала:
2024,
Номер
12(5), С. 939 - 939
Опубликована: Май 5, 2024
The
feasibility
of
an
adsorbent
material
like
biochar
(BC)
depends
on
its
regeneration
capacity
and
ability
to
achieve
high
removal
efficiencies
real
wastewater
(WW)
effluents.
In
this
study,
the
Pinus
patula
BC
previously
used
in
Indigo
Carmine
from
water
was
evaluated.
technique
that
resulted
highest
desorption
efficiency
a
thermo-chemical
method
consisted
heating
spent
stove
at
160
°C
for
45
min
followed
by
with
ethanol
(C2H6O)
concentration
75%
6
h.
Through
method,
it
found
could
be
seven
consecutive
adsorption–desorption
cycles.
also
assessed
evaluating
adsorbent’s
textile
WW.
Under
optimal
operational
conditions
(solution
pH
=
3,
dose
13.5
g/L,
particle
size
300–450
µm),
terms
colour
dissolved
organic
carbon
(DOC)
were
81.3
76.8%,
respectively,
120
treatment.
results
obtained
studies
treatment
WW
suggested
use
suitable
scaled
industrial
level,
contributing
sustainable
development
circular
bioeconomy
using
waste
solve
dye
pollution
problem
another
waste.
