Journal of Cleaner Production,
Год журнала:
2024,
Номер
473, С. 143555 - 143555
Опубликована: Сен. 2, 2024
The
presence
of
dyes,
pharmaceuticals,
and
surfactants
in
the
environment
results
from
extensive
industrial
societal
progress,
prompting
need
to
explore
efficient
safe
techniques
for
their
removal.
Common
concentrations
wastewater
can
range
micrograms
milligrams
per
liter,
which
is
concerning
due
persistence
potential
health
impacts.
sustainable
approach
using
a
nonconventional,
eco-friendly
mineral-organic
composite
might
address
this
environmental
issue.
This
study
focuses
on
utilizing
bentonite
(BEN)
lignite
(LIG)
as
sorbent
dyes:
Rhodamine
b
(RB),
Remazol
brilliant
blue
r
(RBBR),
pharmaceuticals:
ibuprofen
(IB),
sulfamethoxazole
(STX),
surfactant:
sodium
dodecylbenzenesulfonate
(SDBS)
both
synthetic
solutions
real
wastewater.
BEN
was
chosen
its
high
cation
exchange
capacity,
while
LIG
selected
ability
adsorb
anionic
cationic
formsdiverse
functional
groups.
with
ratio
20:80
(BL
20:80)
demonstrated
superior
sorption
capacity.
adsorption
performance
quantified,
showing
removal
efficiencies
up
18.9
mg
RBBR/g,
22.8
RB/g,
1.77
IB/g,
1.47
STX/g,
4.7
SDBS/g.
Sorption
efficiency
influenced
by
factors
such
initial
sorbate
concentration,
pH
solution,
form
sorbates,
adsorbents
textural,
physicochemical
(point
zero
charge
pHZPC),
ion-exchange
hydrophobicity/hydrophilicity)
properties.
Generally,
STX
RB
favored
slightly
acidic
conditions
(pH
4-7),
RBBR
IB
are
alkaline
>7).
complex
physical
mechanism
includes
hydrogen
bonding,
electrostatic
dispersion
forces,
well
π-π
interactions.
Nuclear
magnetic
resonance
spectroscopy
(NMR)
suggests
that
significant
portion
bonding
interactions
contributes
adsorption.
indicate
specially-designed
mineral
effectively
remove
various
chemically
distinct
organic
compounds
Subsequent
investigations
will
focus
granulated
BL
applicability
dynamic
column
systems.
aligns
ongoing
development
purification
technologies.
ACS ES&T Water,
Год журнала:
2024,
Номер
4(4), С. 1819 - 1833
Опубликована: Март 20, 2024
Microplastics
(MPs),
particularly
microplastic
fibers
(MFs),
released
during
laundry
processes,
constitute
a
major
source
of
primary
MPs
in
the
water
environment,
raising
growing
ecological
and
environmental
concerns.
This
study
developed
evaluated
microbubble-enhanced
flotation
approach
to
effectively
remove
MPs/MFs
surfactants─essential
components
commercial
detergents
common
pollutants─from
wastewater
(LW).
Through
bench-scale
pilot-scale
experiments,
we
investigated
wide
range
parameters
affecting
recovery
efficiency,
focusing
on
MP
properties
(5
plastic
types,
3
particle
size
ranges,
4
concentration
levels),
chemistry
detergent
concentrations),
operational
conditions
(2
types
gases,
bubble
gas
flow
rates).
Our
results
showed
that
under
optimized
conditions,
microbubble
could
over
98
wt
%
95
surfactants
from
LW.
Moreover,
high
removal
rates
achieved
processes
were
successfully
reproduced
upscaling
trials
using
column
5.7
m
height.
work
demonstrates
robustness
reliability
for
industrial
LW
treatment,
providing
straightforward,
cost-effective,
environmentally
friendly
solution
concurrent
surfactants.
Journal of Toxicology and Environmental Health,
Год журнала:
2024,
Номер
87(8), С. 357 - 370
Опубликована: Фев. 2, 2024
Sodium
dodecylbenzene
sulfonate
(SDBS)
is
an
important
surfactant
used
as
a
cleaning
agent
and
industrial
additive
to
remove
unwanted
chemicals
which
have
been
detected
in
the
aquatic
environment.
The
aim
of
this
study
was
examine
toxicological
potential
SDBS
on
gills
adult
male
zebrafish
(Danio
rerio)
exposed
chemical.
For
96
hr
acute
exposure,
fish
were
divided
into
three
groups:
control,
0.25
mg/L,
0.5
mg/L
SDBS.
After
experiment,
morphophysiological
analyses
(gill
histopathology
histochemistry),
oxidative
stress
(determination
gill
activities
superoxide
dismutase
(SOD)
catalase
(CAT)),
hematological
(leukocyte
differentiation)
conducted.
Data
demonstrated
that
at
both
tested
concentrations
altered
histopathological
index
initiated
circulatory
disturbances,
well
adverse,
progressive,
immunological
changes
gills.
In
group,
SOD
activity
decreased
significantly,
but
CAT
not
altered.
Prominent
blood
observed
group
neutrophilia
lymphocytosis.
number
mucous
chloride
cells
increased
significantly
groups.
Taken
together,
our
findings
exposure
D.
rerio
SDBS,
even
for
hr,
produced
adverse
morphological
effects
associated
with
reduction
activity.
Our
indicate
species
anionic
may
lead
consequences
stress.
Therefore,
highlights
risks
substance
pose
ecosystems
emphasizes
need
further
investigations
strict
regulations
its
disposal.
Processes,
Год журнала:
2023,
Номер
11(12), С. 3270 - 3270
Опубликована: Ноя. 22, 2023
The
protection
of
all
environmental
compartments
(water,
soil,
air)
is
great
interest
for
the
normal
functioning
life
on
Earth.
environment
systematically
polluted
with
different
concentrations
physical,
biological
and
chemical
pollutants.
For
purpose
protection,
numerous
in
situ
ex
biological,
physical
remediation
techniques
have
been
developed.
Most
limitations,
such
as
high
cost,
processing
time
or
feasibility.
In
general,
proven
to
be
most
environmentally
friendly
compared
techniques.
Furthermore,
an
extremely
complex
procedure
due
complexity
pollutant
composition.
Therefore,
implementation
individual
often
not
sufficient
adequate
environment.
Accordingly,
more
economical
efficient
remediation,
it
recommended
use
a
combination
that
should
meet
requirements
efficiency
treatment
duration.
Ultimately,
this
review
provides
concise
overview
recent
application
A
critical
existing
knowledge
through
search
relevant
literature
has
helped
assess
basic
challenges
limitations
arise
issue
well
providing
recommendations
guidelines
future
research.
Critical Reviews in Biotechnology,
Год журнала:
2024,
Номер
44(8), С. 1574 - 1593
Опубликована: Май 6, 2024
Every
year,
a
huge
amount
of
lethal
compounds,
such
as
synthetic
dyes,
pesticides,
pharmaceuticals,
hydrocarbons,
etc.
are
mass
produced
worldwide,
which
negatively
affect
soil,
air,
and
water
quality.
At
present,
pesticides
used
very
frequently
to
meet
the
requirements
modernized
agriculture.
The
Food
Agriculture
Organization
United
Nations
(FAO)
estimates
that
food
production
will
increase
by
80%
2050
keep
up
with
growing
population,
consequently
continue
play
role
in
However,
improper
handling
these
highly
persistent
chemicals
leads
pollution
environment
accumulation
chain.
These
effects
necessitate
development
technologies
eliminate
or
degrade
pollutants.
Degradation
compounds
physical
chemical
processes
is
expensive
usually
results
secondary
higher
toxicity.
biological
strategies
proposed
for
degradation
both
cost-effective
eco-friendly.
Microbes
an
imperative
xenobiotic
have
toxic
on
environment.
This
review
fate
presents
cutting-edge
insights
novel
contributions
different
fields.
Microbial
community
dynamics
bodies,
genetic
modification
enhanced
pesticide
use
fungi
pharmaceutical
removal,
white-rot
fungi's
versatile
ligninolytic
enzymes
biodegradation
potential
highlighted.
Here
we
emphasize
factors
influencing
bioremediation,
microbial
interactions
carbon
catabolism
repression,
along
nuanced
view
challenges
limitations.
Overall,
this
provides
comprehensive
perspective
bioremediation
strategies.
