Frontiers in Advanced Materials Research,
Год журнала:
2024,
Номер
unknown, С. 54 - 63
Опубликована: Дек. 29, 2024
Heavy
metal
(HM)
pollution
has
slowly
but
surely
crept
into
the
list
of
direst
issues
being
faced
by
mankind.
It
usually
results
in
a
myriad
complications
for
environment
as
well
human
health.
Conventional
techniques
treatment
HM
are
sometimes
not
effective
under
certain
conditions.
Treatment
is
currently
explored
utilizing
biological
activity
plants,
algae,
fungi,
etc.
Positive
outcomes
have
been
demonstrated,
especially
algae.
Thus,
phycoremediation
arisen
an
alternative,
green
method
solving
this
issue.
Green
algae
were
isolated
from
Kolavai
lake
and
then
cultivated
Erlenmeyer
flasks
room
After
growth,
cells
harvested
centrifugation
filtration
dried
24
hr
at
high
temperatures.
Powdered
biomass
was
added
to
aqueous
solutions
containing
Chromium
different
concentrations
with
fixed
dosage.
Results
showed
that
30ppm
favored
Cr3+
uptake
biosorbent.
Next,
effect
pH
studied
on
adsorption
rate.
indicated
pHincreased,
found
decreased,
thus
confirming
low
favors
sorption.
AAS
had
biosorbent
even
provided
possible
alternative
conventional
techniques.
Sustainability,
Год журнала:
2024,
Номер
16(23), С. 10761 - 10761
Опубликована: Дек. 8, 2024
The
presence
of
pharmaceuticals
in
aquatic
ecosystems
is
an
issue
increasing
concern.
Regardless
the
low
concentration
water,
they
can
have
a
toxic
effect
on
both
humans
and
organisms.
Advanced
oxidation
processes
(AOPs)
been
described
as
promising
technique
for
eliminating
due
to
their
high
efficiency.
However,
cost
associated
with
application
these
reagents
energy
requirements
affected
implementation
AOPs
at
large
scales.
Biochar
has
suggested
be
used
catalyst
overcome
limitations.
considered
alternative
heterogeneous
thanks
its
physicochemical
characteristics
like
specific
surface
area,
porous
structure,
oxygen-containing
functional
groups,
electrical
conductivity,
persistent
free
radicals
(PFRs),
modifiable
properties,
structure
defects.
This
carbonaceous
material
presents
capacity
activate
oxidizing
agents
leading
formation
radical
species,
which
are
needed
degrade
pharmaceuticals.
Additionally,
AOP/biochar
systems
destroy
pharmaceutical
molecules
following
non-radical
pathway.
To
enhance
biochar
catalytic
performance,
modifications
such
iron
(Fe)
impregnation,
heteroatom
doping,
supporting
semiconductors
surface.
Although
efficiently
combination
several
mineralization
from
further
research
must
conducted
evaluate
different
regeneration
techniques
increase
biochar’s
sustainable
applicability
reduce
operational
combined
process.
Moreover,
conditions
influencing
system
required
evaluated
discern
find
that
maximize
degradation
by
systems.
Frontiers in Advanced Materials Research,
Год журнала:
2024,
Номер
unknown, С. 54 - 63
Опубликована: Дек. 29, 2024
Heavy
metal
(HM)
pollution
has
slowly
but
surely
crept
into
the
list
of
direst
issues
being
faced
by
mankind.
It
usually
results
in
a
myriad
complications
for
environment
as
well
human
health.
Conventional
techniques
treatment
HM
are
sometimes
not
effective
under
certain
conditions.
Treatment
is
currently
explored
utilizing
biological
activity
plants,
algae,
fungi,
etc.
Positive
outcomes
have
been
demonstrated,
especially
algae.
Thus,
phycoremediation
arisen
an
alternative,
green
method
solving
this
issue.
Green
algae
were
isolated
from
Kolavai
lake
and
then
cultivated
Erlenmeyer
flasks
room
After
growth,
cells
harvested
centrifugation
filtration
dried
24
hr
at
high
temperatures.
Powdered
biomass
was
added
to
aqueous
solutions
containing
Chromium
different
concentrations
with
fixed
dosage.
Results
showed
that
30ppm
favored
Cr3+
uptake
biosorbent.
Next,
effect
pH
studied
on
adsorption
rate.
indicated
pHincreased,
found
decreased,
thus
confirming
low
favors
sorption.
AAS
had
biosorbent
even
provided
possible
alternative
conventional
techniques.
