Journal of Environmental Management,
Journal Year:
2024,
Volume and Issue:
371, P. 123005 - 123005
Published: Oct. 31, 2024
Currently,
there
is
a
growing
concern
about
water
scarcity.
The
rising
demand
for
wastewater
treatment
systems
that
facilitate
the
reuse
of
has
resulted
in
focus
on
use
microalgae
sustainable
treatments.
These
methods
not
only
eliminate
nutrients
from
but
also
produce
biomass
can
be
used
to
obtain
high-value
products.
This
study
aimed
observe
effect
different
hydraulic
retention
times
(HRTs)
and
treated
urban
(TUWW)
percentages
growth
nutrient
consumption
membrane
photobioreactors.
Microalgae
increases
with
HRT
regardless
percentage
TUWW.
Biomass
concentration
stabilises
at
between
40%
60%
TUWW
significantly
when
100%
used,
resulting
highest
concentrations.
As
increases,
ammonium
total
nitrogen
rise.
A
positive
trend
was
observed
increasing
TUWW,
reaching
its
peak
optimal
conditions
removal
are
achieved
7-day
as
influent,
which
confirmed
response
surface
methodology.
Microbial Cell Factories,
Journal Year:
2025,
Volume and Issue:
24(1)
Published: Jan. 14, 2025
Abstract
Extensive
anthropogenic
activity
has
led
to
the
accumulation
of
organic
and
inorganic
contaminants
in
diverse
ecosystems,
which
presents
significant
challenges
for
environment
its
inhabitants.
Utilizing
microalgae
as
a
bioremediation
tool
can
present
potential
solution
these
challenges.
Microalgae
have
gained
attention
promising
biotechnological
detoxifying
environmental
pollutants.
This
is
due
their
advantages,
such
rapid
growth
rate,
cost-effectiveness,
high
oil-rich
biomass
production,
ease
implementation.
Moreover,
microalgae-based
remediation
more
environmentally
sustainable
not
generating
additional
waste
sludge,
capturing
atmospheric
CO
2
,
being
efficient
nutrient
recycling
algal
production
biofuels
high-value-added
products
generation.
Hence,
achieve
sustainability's
three
main
pillars
(environmental,
economic,
social).
Microalgal
mediate
contaminated
wastewater
effectively
through
accumulation,
adsorption,
metabolism.
These
mechanisms
enable
reduce
concentration
heavy
metals
levels
that
are
considered
non-toxic.
However,
several
factors,
microalgal
strain,
cultivation
technique,
type
pollutants,
limit
understanding
removal
mechanism
efficiency.
Furthermore,
adopting
novel
technological
advancements
(e.g.,
nanotechnology)
may
serve
viable
approach
address
challenge
refractory
pollutants
process
sustainability.
Therefore,
this
review
discusses
ability
different
species
mitigate
persistent
industrial
effluents,
dyes,
pesticides,
pharmaceuticals.
Also,
paper
provided
insight
into
nanomaterials,
nanoparticles,
nanoparticle-based
biosensors
from
immobilization
on
nanomaterials
enhance
open
new
avenue
future
advancing
research
regarding
biodegradation
Journal of Applied Polymer Science,
Journal Year:
2024,
Volume and Issue:
141(44)
Published: Aug. 20, 2024
Abstract
The
concentration
of
harmful
metal
ions
is
growing
globally,
which
raises
the
risk
to
both
human
and
ecological
health.
use
“adsorption”
technique
has
been
found
be
very
effective,
for
removal
toxic
ions.
Among
other
things,
hydrogels
as
an
adsorbent
work
effectively
aquatic
pollutants.
newly
designed
potato
starch‐xanthate
(SX)
based
hydrogel
(SX‐modified
hydrogel)
synthesized
using
a
mixture
acrylamide
(AAm)
acrylic
acid
(AA)
monomers,
with
help
free‐radical
graft
copolymerization
technique.
SX‐modified
characterized
by
several
analytical
techniques,
namely,
UV–visible
(UV–vis)
spectroscopy,
Fourier
transform
infrared
(FTIR)
gel
permeation
chromatography
(GPC),
thermogravimetric
(TG)
analysis,
point
zero
charge
(ΔpH
PZC
)
x‐ray
diffraction
(XRD)
scanning
electron
microscope
(SEM)
analysis.
main
objective
current
remove
Cu
2+
Co
from
wastewater
well
study
swelling
water
retention
properties
hydrogel.
ratio
312.31,
374.01,
410.20
g/g
at
optimum
pH
10,
temperature
35°C,
time
675
min
in
gray
wastewater,
tap
water,
distilled
respectively.
maximum
percentage
97.7%
94.2%,
respectively,
conditions.
Langmuir
isotherm
model
fits
best
experimental
data,
adsorption
capacity
515.46
mg/g
483.09
ions,
kinetic
studies
suggest
that
process
governed
second
order
rate
constant
2.06
×
10
−4
g/(mg
min)
1.79
negative
Δ
G
values
spontaneous
nature.
In
addition,
positive
H
support
endothermic
showed
remarkable
desorption
efficiency
96.7%
92.5%
reusability
four
consecutive
adsorption–desorption
cycles.
It
can
concluded
economical,
easy,
low
energy
consuming,
significant
potential
treatment
containing
heavy
FUDMA Journal of Sciences,
Journal Year:
2025,
Volume and Issue:
9(2), P. 193 - 208
Published: Feb. 28, 2025
Tannery
effluent
poses
significant
risks
to
soil
health,
primarily
through
contamination
with
heavy
metals
like
chromium,
sulphides,
and
persistent
organic
pollutants
(POPs).
These
toxic
substances
inhibit
microbial
activity,
reducing
nutrient
cycling
matter
decomposition
essential
for
fertility.
Beneficial
microorganisms,
including
nitrogen-fixing
bacteria,
are
particularly
affected,
leading
altered
communities
dominated
by
less
advantageous,
metal-tolerant
species.
Accumulation
of
POPs
disrupts
enzymatic
activities,
interferes
plant
root
growth,
complicates
remediation
efforts
due
pollutant
migration
groundwater
potential
entry
into
the
food
chain.
Prolonged
exposure
such
contaminants
diminishes
fertility,
reduces
resilience,
ecosystem
services,
posing
threats
agricultural
productivity
environmental
health.
This
review
was
aimed
outline
what
made
bioremediation
a
superior
treatment
technology
among
other
methods
used
in
remediating
tannery
contaminated
soil.
Efforts
mitigate
impacts
involve
combination
physical,
chemical,
biological
technologies.
Physical
washing,
flushing,
thermal
desorption
focus
on
removing
or
isolating
contaminants,
while
chemical
approaches
as
oxidation,
reduction,
stabilization
transform
harmful
forms
immobilize
them.
Biological
leverages
microorganisms
plants
detoxify
sustainably.
Bioremediation
strategies
aid
bioaugmentation
biostimulation
do
enhance
activity
address
inorganic
effectively
more
than
physical
methods.
Another
excellent
called
phytoremediation
can
also
effectively,
Achieving
better
technique
should
be
coupled
stringent
industrial
regulations,
sustainable
tanning
methods,
stakeholder
awareness
International Journal of Molecular Sciences,
Journal Year:
2025,
Volume and Issue:
26(10), P. 4515 - 4515
Published: May 9, 2025
The
increasing
global
population
and
intensifying
resource
limitations
present
a
formidable
challenge
for
sustainable
crop
production,
especially
in
developing
regions.
This
review
explores
the
pivotal
role
of
microbial
ecosystem
services
alleviating
environmental
stresses
that
impede
agricultural
productivity.
Soil
microbiota,
particularly
plant
growth-promoting
microbes
(PGPMs),
are
integral
to
soil
health
fertility
resilience
against
both
abiotic
(drought,
salinity,
temperature
extremes,
heavy
metals)
biotic
(pathogen)
stresses.
These
microorganisms
employ
variety
direct
indirect
mechanisms,
including
modulation
phytohormones,
nutrient
solubilization,
production
stress-alleviating
enzymes,
synthesis
antimicrobial
compounds,
enhance
growth
mitigate
adverse
impacts.
Advances
biotechnology
have
expanded
toolkit
harnessing
beneficial
microbes,
enabling
development
inoculants
consortia
tailored
specific
stress
conditions.
highlights
multifaceted
contributions
such
as
improving
uptake,
promoting
root
development,
facilitating
pollutant
degradation,
supporting
carbon
sequestration,
all
which
underpin
practices.
Furthermore,
synergistic
interactions
between
roots
rhizospheric
emphasized
key
drivers
structure
enhancement
long-term
By
synthesizing
current
research
on
mechanisms
microbe-mediated
tolerance,
this
underscores
potential
interventions
bridge
gap
food
security
conservation.
integration
solutions
into
agroecosystems
offers
promising,
eco-friendly
strategy
revitalize
soils,
boost
yields,
ensure
sustainability
face
mounting
challenges.
