Environmental Functional Materials,
Год журнала:
2023,
Номер
2(3), С. 255 - 274
Опубликована: Дек. 1, 2023
The
regulation
of
nitrite
levels
in
potable
water
is
primarily
motivated
by
the
potential
for
excessive
amounts
to
induce
methemoglobinemia,
which
also
referred
as
blue
baby
syndrome.
Human
and
industrial
activities
generate
release
nitrite-containing
wastewater
into
bodies,
thereby
endangering
ecosystem
health
contaminating
sources.
Biosorption
an
alternative
environmentally
beneficial
method
treatment.
These
methods
have
several
advantages
over
conventional
methods,
including
their
cost-effectiveness,
accessibility,
reusability.
This
study
investigates
viability
utilizing
guava
leaf,
neem
orange
peel,
banana
custard
apple
leaf
bio-sorbents
removal
from
contaminated
water.
One
hundred
percent
efficiency
result
this
endeavor.
Following
examination
all
six
bio-sorbents,
it
was
observed
that
exhibited
most
effective
performance
Additionally,
impacts
various
parameters
contact
duration,
agitation
speed,
adsorbent
dosage,
pH,
temperature
are
investigated.
prior
utilization,
biomass
may
undergo
physical
chemical
modifications.
To
enhance
analysis
each
bio-sorbent,
a
range
characterization
techniques
utilized,
XRD,
SEM-EDX,
FTIR,
BET
analysis.
Economic
feasibility
can
be
achieved
regenerating
reprocessing
bio-sorbent
subsequent
nitrites
process.
Water-Energy Nexus,
Год журнала:
2024,
Номер
7, С. 39 - 76
Опубликована: Янв. 25, 2024
A
substantial
environmental
and
societal
problem
is
posed
by
pollutants
found
in
aqueous
solution.
These
generally
consist
of
dangerous
heavy
metals
metalloids.
In
rural
locations,
hardness
chlorides
are
among
the
most
problems
groundwater.
Chlorides
regulated
quality
drinking
water
because
excessive
quantities
can
cause
disease.
Due
to
its
alkaline
nature,
both
gaseous
liquid
forms
be
irritating
eyes,
respiratory
system,
epidermis.
The
acute
biologic
effects
humans
dependent
on
dose
proportionate
their
concentration.
This
includes
amount
that
eaten
body
as
well
length
time
exposed
substance.
naturally
occurring
physiochemical
mechanism
known
biosorption
what
permits
particular
biomass
passively
concentrate
bind
cellular
structure.
Biosorption
only
occur
specific
environments.
a
metabolically
inert
process
does
not
need
any
kind
energy,
quantity
sorbent
able
remove
kinetic
equilibrium
makeup
surface.
When
it
came
from
water,
each
biosorbent
had
own
unique
set
physical,
chemical,
biological
features.
After
removal
metals,
may
made
more
cost-effective
renewing
reprocessing
biosorbent.
done
after
have
been
removed.
biosorption,
many
types
bioreactors
used
order
successfully
metal
ions
huge
volumes
water.
Scientific Reports,
Год журнала:
2025,
Номер
15(1)
Опубликована: Янв. 23, 2025
Abstract
To
prevent
water
scarcity,
wastewater
must
be
discharged
to
the
surface
or
groundwater
after
being
treated.
Another
method
is
reuse
in
some
areas
treatment
and
evaluate
it
as
much
possible.
In
this
study,
aimed
recover
caustic
(sodium
hydroxide,
NaOH)
used
recycling
of
plastic
bottles
from
polyethylene
terephthalate
(PET)
washing
wastewater.
Chemical
substances
industry
will
significantly
reduced
with
chemical
recovery
Ultrafiltration
(UP150)
nanofiltration
(NP010
NP030)
membranes
were
for
purpose
our
study.
Before
using
membranes,
pre-treatment
was
performed
coagulation-flocculation
process
reduce
pollutant
accumulation
on
membranes.
Different
coagulants
flocculants
find
suitable
pre-treatment.
The
pre-treated
aluminum
oxide,
which
supplied
highest
oxygen
demand
(COD)
removal
(76.0%),
a
dead-end
filtration
system
filtered
through
NP010
NP030
at
different
pressures
(10–30
bar).
same
system,
raw
UP150
membrane.
Among
these
scenarios,
best
that
could
remove
pollutants
provide
NaOH
selected.
After
each
treatment,
pH,
conductivity,
COD,
analyses
performed.
maximum
(98.6%)
obtained
membrane
5
bar.
IOP Conference Series Earth and Environmental Science,
Год журнала:
2025,
Номер
1482(1), С. 012053 - 012053
Опубликована: Апрель 1, 2025
Abstract
Leachate,
water
originating
from
waste
piles,
is
rich
in
organic
content,
making
it
appropriate
for
use
as
liquid
fertilizer.
However,
raw
leachate
contains
heavy
metals
that
may
harm
plants
and
soil.
To
address
this,
the
treated
through
fermentation
using
EM4
microorganisms
wastewater,
which
acts
a
nutrient
source
microorganisms.
This
study
explored
potential
of
plant
growth,
particularly
Ixora
or
Asoka
plants,
are
valued
their
ornamental
fragrant
qualities.
Leachate
samples
Batuan
landfill
were
diluted
to
lower
concentration
tested
9
reactors,
each
duplicated.
Different
concentrations
volumes
wastewater
applied
variables.
Observations
included
growth
(height,
number
leaves,
flowering
time),
soil
pH,
moisture,
metal
Cation
Exchange
Capacity
(CEC).
Results
indicated
meets
Ministry
Agriculture’s
standards
Indonesia
(No.
70/2011),
rendering
viable
The
treatment
combination
A2
(300
mL
at
1.33%
with
600
wastewater)
yielded
most
significant
results,
height
increasing
by
2.5
cm
leaf
count
18.
Treatment
A1
1%
was
effective
flowering,
blooming
days
after
application.
demonstrates
leachate,
when
combined
processes,
can
be
an
effective,
sustainable
It—promotes
while
improving
quality,
offering
practical
solution
management
agricultural
productivity.
Deleted Journal,
Год журнала:
2024,
Номер
2(2), С. 861 - 882
Опубликована: Фев. 5, 2024
In
rural
India,
nitrite-contaminated
water
is
common.
Economical
and
safe
treatment
needed
to
eliminate
nitrite.
Nitrite
levels
in
drinking
are
restricted
because
excess
might
induce
methemoglobinemia
(blue-baby
syndrome).
The
world
has
3%
clean
water.
Nitrite-containing
pollutants
from
human
industrial
activities
pollute
resources
jeopardize
ecological
health.
Chemical
precipitation
membrane
filtration
expensive
when
treating
large
volumes
of
water,
ineffective
at
low
metal
concentrations,
produce
amounts
toxic
sludge
other
byproducts
that
must
be
disposed
properly.
Bio-sorption
a
greener
wastewater
technology.
These
cheaper,
more
accessible,
reusable
methods
have
benefits
over
conventional
ones.
This
study
tests
biosorbents
such
neem
leaf,
custard
apple
guava
mango
tree
orange
peel,
banana
peel
for
nitrite
removal
contaminated
100%
was
achieved.
effects
contact
length,
agitation
speed,
adsorbent
dose,
pH,
temperature
also
examined.
Before
usage,
biomass
can
physically
chemically
changed.
Regenerating
reprocessing
biosorbent
after
heavy
makes
the
procedure
cost-effective.
