Sustainability,
Год журнала:
2025,
Номер
17(5), С. 1939 - 1939
Опубликована: Фев. 25, 2025
In
the
context
of
surfactant-enhanced
remediation
polluted
sites,
this
work
focuses
on
development
non-ionic
alkylpolyglucosidic
(APG)
surfactant
formulations
with
different
additives
for
solubilization
and
mobilization
strongly
adsorbed
organic
pollutants.
The
study
involved
three
consecutive
phases
to
evaluate
effect
surface
behavior
potential
improvement
in
alkylpolyglycoside
surfactant’s
capability
solubilize
toluene
perchloroethylene
(PCE),
selected
as
reference
contaminants.
After
a
chemical–physical
characterization
phase,
APG-based
were
first
used
batch
configuration
test,
which
formulations’
ability
was
indirectly
assessed
by
observing
pollutants’
adsorption.
Lastly,
continuous
column
experiment
performed
simulate
flushing
process
synthetic
matrix
previously
contaminated
or
PCE.
results
showed
that
presence
firstly
reduced
form
micelles,
increasing
CMC,
but
at
same
time
improved
reduce
tension.
Moreover,
addition
overall
resulted
significant
pollutant
removal
minimal
volume
fed
solution,
reaching
96%
99%
efficiencies
PCE,
respectively,
compared
76%
92%,
free-additive
APG
surfactant.
Biotechnology for Biofuels and Bioproducts,
Год журнала:
2022,
Номер
15(1)
Опубликована: Окт. 11, 2022
Lignin
is
a
promising
alternative
to
traditional
fossil
resources
for
producing
biofuels
due
its
aromaticity
and
renewability.
Pyrolysis
an
efficient
technology
convert
lignin
valuable
chemicals,
which
beneficial
improving
valorization.
In
this
review,
pyrolytic
behaviors
of
various
were
included,
as
well
the
mechanism
consisting
initial,
primary,
charring
stages
also
introduced.
Several
parallel
reactions,
such
demethoxylation,
demethylation,
decarboxylation,
decarbonylation
side
chains
form
light
gases,
major
structure
decomposition
generate
phenolic
compounds,
polymerization
active
intermediates
yield
char,
can
be
observed
through
whole
pyrolysis
process.
parameters,
temperature,
time,
type,
functional
groups
(hydroxyl,
methoxy),
investigated
figure
out
their
effects
on
pyrolysis.
On
other
hand,
zeolite-driven
catalytic
co-pyrolysis
with
hydrogen-rich
co-feedings
introduced
process
efficiency
produce
more
aromatic
hydrocarbons
(AHs).
During
process,
compounds
and/or
AHs
produced,
showing
applications
in
biochemical
biofuel
additives.
Finally,
some
challenges
future
perspectives
have
been
discussed.
Journal of Hazardous Materials,
Год журнала:
2024,
Номер
468, С. 133813 - 133813
Опубликована: Фев. 17, 2024
This
systematic
review
addresses
soil
contamination
by
crude
oil,
a
pressing
global
environmental
issue,
exploring
effective
treatment
strategies
for
sites
co-contaminated
with
heavy
metals
and
polycyclic
aromatic
hydrocarbons
(PAHs).
Our
study
aims
to
answer
pivotal
research
questions:
(1)
What
are
the
interaction
mechanisms
between
PAHs
in
contaminated
soils,
how
do
these
affect
efficacy
of
different
remediation
methods?
(2)
challenges
limitations
combined
techniques
soils
compared
single-treatment
methods
terms
efficiency,
stability,
specificity?
(3)
How
various
factors
influence
effectiveness
biological,
chemical,
physical
methods,
both
individually
combined,
what
role
specific
agents
play
degradation,
immobilization,
or
removal
under
diverse
conditions?
(4)
Do
AI-powered
search
tools
offer
superior
alternative
conventional
methodologies
executing
an
exhaustive
review?
Utilizing
big-data
analytics
AI
such
as
Litmaps.co,
ResearchRabbit,
MAXQDA,
this
conducts
thorough
analysis
PAHs.
It
emphasizes
significance
cation-π
interactions
composition
dictating
solubility
behavior
pollutants.
The
pays
particular
attention
interplay
PAH
solubility,
well
impact
properties
like
clay
type
organic
matter
on
metal
adsorption,
which
results
nonlinear
sorption
patterns.
identifies
growing
trend
towards
employing
techniques,
especially
biological
biostimulation-bioaugmentation,
noting
their
laboratory
settings,
albeit
potentially
higher
costs
field
applications.
Plants
Medicago
sativa
L.
Solanum
nigrum
highlighted
phytoremediation,
working
synergistically
beneficial
microbes
decompose
contaminants.
Furthermore,
illustrates
that
incorporation
biochar
surfactants,
along
chelating
EDTA,
can
significantly
enhance
efficiency.
However,
acknowledges
varying
conditions
necessitate
site-specific
adaptations
strategies.
Life
Cycle
Assessment
(LCA)
findings
indicate
while
high-energy
Steam
Enhanced
Extraction
Thermal
Resistivity
-
ERH
effective,
they
also
entail
substantial
financial
costs.
Conversely,
Natural
Attenuation,
despite
being
low-impact
cost-effective
option,
may
require
prolonged
monitoring.
advocates
integrative
approach
remediation,
one
harmoniously
balances
sustainability,
cost-effectiveness,
requirements
sites.
underscores
necessity
holistic
strategy
combines
tailored
meet
regulatory
compliance
long-term
sustainability
decontamination
efforts.
Chemical Communications,
Год журнала:
2022,
Номер
58(54), С. 7574 - 7577
Опубликована: Янв. 1, 2022
Porous
polydivinylbenzene
microspheres
with
high
specific
surface
area
were
prepared
by
distillation-precipitation
polymerization,
and
used
as
the
coating
material
in
headspace
solid
phase
microextraction
for
extracting
polycyclic
aromatic
hydrocarbons.
Compared
other
reported
sorbents,
PDVB
exhibits
lower
cost
higher
extraction
efficiency,
enrichment
factors
can
reach
5963-16
720.
