ACS symposium series,
Journal Year:
2023,
Volume and Issue:
unknown, P. 315 - 360
Published: Nov. 28, 2023
Over
the
decades,
economic
development
and
population
growth
have
directly
influenced
production
of
effluents
contaminated
by
potentially
toxic
metals,
which,
,
contaminate
soil,
subsoil,
groundwater
if
released
into
environment.
Metals
are
persistent
pollutants
can
bioaccumulate
in
plant
tissues
human
body,
thus
causing
disturbances
diseases.
Methodologies
based
on
physical-chemical
methods
such
as
ion
exchange,
membrane
filtration,
electrocoagulation
examples
techniques
adopted
treatment
effluents.
However,
these
methodologies
some
disadvantages,
a
high
implementation
cost,
secondary
residue,
little
effectiveness
at
low
metallic
concentrations.
Biological
emerges
promising,
eco-friendly,
low-cost
alternative
for
using
various
biomasses
agro-industrial
waste,
microorganisms,
animal
parts.
The
bioremediation
processes
biosorption
bioaccumulation
biological
treatments
that
emerge
effective
easy
to
perform
literature.
This
chapter
reviews
contributions
heavy
focusing
important
process
parameters
main
evaluated
biomasses.
Bioremediation Journal,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 29
Published: Jan. 23, 2025
The
present
study
aims
to
investigate
the
dye
decolorization
efficiency
of
brown
seaweed
Dictyota
bartayresiana
against
reactive
blue
19
(RB19)
dye.
process
variables
namely
and
biosorbent
concentration,
pH
incubation
time
were
optimized
through
BBD
based
RSM
for
achieving
enhanced
decolorization.
experimental
data
well
fitted
into
Freundlich
isotherm
proving
heterogenous
adsorption
RB19.
Temkin
Dubinin
–
Radushkevich
models
showcased
endothermic
chemisorption
mediated
RB19
onto
D.
bartayresiana.
pseudo
second
order
kinetic
model
exhibited
assisted
Weber
Morris
proved
that
intra
particle
diffusion
was
not
rate
limiting
step
in
Thermodynamic
studies
revealed
spontaneous,
feasible
biosorption.
Interaction
between
assessed
UV-Vis,
FT-IR
SEM
which
confirmed
Desorption
regeneration
73%
desorbed
first
cycle
using
0.1
M
NaOH
as
eluent
with
68%
reduced
subsequent
cycles
highlighting
reusability
biosorbent.
Toxicity
assessments
untreated
treated
solution
examined
on
microflora,
brine
shrimp
fenugreek
results
nontoxic
nature
solution.
Thus,
this
provides
valuable
insights
utilization
an
eco-friendly
affirms
its
safe
use
various
biological
applications.
Journal of Xenobiotics,
Journal Year:
2024,
Volume and Issue:
14(4), P. 1670 - 1696
Published: Nov. 3, 2024
Chromium
is
an
essential
element
in
various
industrial
processes,
including
stainless
steel
production,
electroplating,
metal
finishing,
leather
tanning,
photography,
and
textile
manufacturing.
However,
it
also
a
well-documented
contaminant
of
aquatic
systems
agricultural
land,
posing
significant
economic
health
challenges.
The
hexavalent
form
chromium
[Cr(VI)]
particularly
toxic
carcinogenic,
linked
to
severe
issues
such
as
cancer,
kidney
disorders,
liver
failure,
environmental
biomagnification.
Due
the
high
risks
associated
with
contamination
potable
water,
researchers
have
focused
on
developing
effective
removal
strategies.
Among
these
strategies,
biosorption
has
emerged
promising,
cost-effective,
energy-efficient
method
for
eliminating
metals,
especially
chromium.
This
process
utilizes
waste,
plants,
algae,
bacteria,
fungi,
other
biomass
adsorbents,
demonstrating
substantial
potential
remediation
heavy
metals
from
contaminated
environments
at
minimal
cost.
review
paper
provides
comprehensive
analysis
materials,
mechanisms
involved
bioremediation
chromium,
along
their
commercial
viability.
It
highlights
advantages
over
traditional
chemical
physical
methods,
offering
thorough
understanding
its
applications
effectiveness.
