Cleaner Water,
Год журнала:
2024,
Номер
2, С. 100030 - 100030
Опубликована: Авг. 10, 2024
Overpopulation,
expansion
of
agricultural
practices,
misuse
water
resources,
industrialization,
and
urbanization
are
among
the
major
factors
that
have
a
big
impact
on
quantity
quality
water.
It
has
been
projected
around
4
billion
humans
would
lack
access
to
pure
by
2025.
Thus,
for
sustainable
lifestyle,
it
is
imperative
improve
quality.
Conventional
wastewater
treatment
technologies
involve
various
chemical
processes
such
as
coagulation
disinfection
physical
methods
filtration
adsorption.
For
these
processes,
chemicals
being
used
alum
lime
in
coagulation,
chlorine
bromine
disinfection,
activated
alumina,
silica
gel
zeolites
However,
high
procurement
cost
display
negative
impacts
environment
human
health,
due
which
plant
based
coagulants,
adsorbents,
disinfectants
now
majorly
tested
methods.
The
objective
this
review
article
provide
recent
update
derived
wastewater.
This
critically
examines
conventional
cleaning
discusses
their
mechanisms.
Prior
study,
plant-based
mainly
separately
reviewed,
but
proper
combined
study
lacking.
present
manuscript
highlights
procedure
plants
first
then
all
three
sequentially.
may
be
useful
development
an
efficient
method
employing
disinfectants.
will
also
beneficial
researchers
who
actively
working
Plants,
Год журнала:
2023,
Номер
12(4), С. 725 - 725
Опубликована: Фев. 6, 2023
Heavy
metals
(HMs)
normally
occur
in
nature
and
are
rapidly
released
into
ecosystems
by
anthropogenic
activities,
leading
to
a
series
of
threats
plant
productivity
as
well
human
health.
Phytoremediation
is
clean,
eco-friendly,
cost-effective
method
for
reducing
soil
toxicity,
particularly
weedy
plants
(invasive
species
(IPS)).
This
provides
favorable
tool
HM
hyperaccumulation
using
invasive
plants.
Improving
the
phytoremediation
strategy
requires
profound
knowledge
uptake
translocation
development
resistance
or
tolerance
HMs.
review
describes
comprehensive
mechanism
HMs
their
subsequent
detoxification
with
IPS
via
phytoremediation.
Additionally,
improvement
through
advanced
biotechnological
strategies,
including
genetic
engineering,
nanoparticles,
microorganisms,
CRISPR-Cas9,
protein
basis,
discussed.
In
summary,
this
appraisal
will
provide
new
platform
uptake,
translocation,
process
IPS.
Frontiers in Microbiology,
Год журнала:
2023,
Номер
14
Опубликована: Апрель 3, 2023
Toxic
wastes
like
heavy
metals
and
dyes
are
released
into
the
environment
as
a
direct
result
of
industrialization
technological
progress.
The
biosorption
contaminants
utilizes
variety
biomaterials.
Biosorbents
can
adsorb
toxic
pollutants
on
their
surface
through
various
mechanisms
complexation,
precipitation,
etc.
quantity
sorption
sites
that
accessible
biosorbent
affects
its
effectiveness.
Biosorption’s
low
cost,
high
efficiency,
lack
nutrient
requirements,
ability
to
regenerate
main
advantages
over
other
treatment
methods.
Optimization
environmental
conditions
temperature,
pH,
availability,
factors
is
prerequisite
achieving
optimal
performance.
Recent
strategies
include
nanomaterials,
genetic
engineering,
biofilm-based
remediation
for
types
pollutants.
removal
hazardous
from
wastewater
using
biosorbents
strategy
both
efficient
sustainable.
This
review
provides
perspective
existing
literature
brings
it
up-to-date
by
including
latest
research
findings
in
field.
Environmental Chemistry Letters,
Год журнала:
2023,
Номер
22(1), С. 373 - 418
Опубликована: Авг. 25, 2023
Abstract
The
presence
of
pharmaceuticals
in
ecosystems
is
a
major
health
issue,
calling
for
advanced
methods
to
clean
wastewater
before
effluents
reach
rivers.
Here,
we
review
adsorption
remove
ibuprofen,
with
focus
on
ibuprofen
occurrence
and
toxicity,
adsorbents,
kinetics,
isotherms.
Adsorbents
include
carbon-
silica-based
materials,
metal–organic
frameworks,
clays,
polymers,
bioadsorbents.
Carbon-based
adsorbents
allow
the
highest
from
10.8
408
mg/g
activated
carbon
2.5–1033
biochar.
Metal–organic
frameworks
appear
promising
due
their
high
surface
areas
tunable
properties
morphology.
95%
published
reports
reveal
that
kinetics
follow
pseudo-second-order
model,
indicating
predominantly
governed
by
chemical
adsorption.
70%
disclose
Langmuir
model
describes
isotherm,
suggesting
involves
monolayer
International Journal of Molecular Sciences,
Год журнала:
2025,
Номер
26(6), С. 2639 - 2639
Опубликована: Март 14, 2025
This
study
investigates
the
simultaneous
adsorption
of
Pb(II),
Cu(II),
Cd(II),
and
Zn(II)
ions
from
aqueous
solutions
using
Urtica
dioica
leaves
(UDLs)
modified
with
sulfuric
acid,
followed
by
heat
treatment
to
enhance
adsorptive
properties.
The
significantly
increased
adsorbent’s
specific
surface
area
451.93
m2·g−1.
Batch
experiments
were
performed
determine
influence
contact
time,
pH
solution,
adsorbent
dosage,
temperature,
initial
metal
concentration
on
efficiency.
material
(modified
UDLs)
was
characterized
X-ray
diffraction
(XRD),
Fourier
transform
infrared
spectroscopy
(FT-IR),
scanning
electron
microscope
(SEM),
photoelectron
(XPS).
Maximum
removal
efficiencies
determined
as
99.2%,
96.4%,
88.7%,
83.6%
for
ions,
respectively.
Adsorption
isotherms
kinetics
revealed
that
process
follows
Langmuir
equation
pseudo-second-order
models,
indicating
monolayer
chemisorption
mechanisms.
Furthermore,
thermodynamic
analysis
indicated
processes
are
spontaneous
endothermic
in
nature.
competing
multiple
heavy
metals
also
discussed.
results
suggest
acid
heat-treated
can
offer
a
promising,
low-cost,
eco-friendly
removing
contaminated
water.
Water-Energy Nexus,
Год журнала:
2023,
Номер
6, С. 187 - 230
Опубликована: Ноя. 11, 2023
Human
and
industrial
activities
have
contaminated
the
groundwater
surface
water.
This
is
a
significant
issue
today.
Therefore,
analysis
of
water
quality
crucial.
The
purpose
this
study
to
evaluate
index
(WQI)
at
various
locations
for
physiochemical
analysis.
For
calculating
current
status
using
statistical
in
index,
following
parameters
were
considered:
pH,
total
dissolved
solids,
alkalinity,
chlorides,
hardness,
oxygen,
Biochemical
oxygen
demand,
chemical
demand.
acquired
results
are
compared
Indian
drinking
standard
IS:
10500-2012.
investigation
physicochemical
biological
characteristics
ground
sample
indicates
that
evaluation
resources
necessary.
In
six
different
places
Gudlavalleru,
Ainampudi,
Penjendra,
Gudlavalleru
Gudem,
Angaluru
Kondiparru.
pH
value
vary
from
(6.72-8.3),
temperature
(34°C-36.5°C),
acidity
(15-40),
alkanity
(10-25),
turbidity
(0.8-60.4),
DO
(3.7-6.2),
COD
(209-477),
Iron
(3-5),
fluorides
zero,
phosphorous
(0-0.5),
ammonium
(0-1),
nitrates
(0-5),
chlorides
(375-575),
hardness
(200-505),
nitrites
solids
(729-1573),
suspended
(468-971)
(301-602).
Using
dry
flowers
biosorbents
biosorptions
heavy
metals
polluted
or
treat
groundwater.
Biological
reactions
occur
control
concentration
when
fine,
dried
powder
flower
waste
added
study,
we
employ
four
biosorbents,
including
Targets
marigold
waste,
Ixora-coccinea
Hibiscus
Allamanda
waste.
highest
performance
removing
toxic
among
biosorbents.
Further
optimization
parameters,
i.e.
dosage,
contact
time,
temperature,
agitation
speed,
was
performed
on
order
increase
pollutant
biosorption.
research
required
into
mechanisms
kinetics
reusability
metal
uptake,
recovery
regeneration
process
design,
commercial
application
refuse
