Combining a photocatalytic biotrickling filter with a microbial fuel cell for the removal of aniline wastewater and exhaust gases with electricity generation
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 160755 - 160755
Опубликована: Фев. 1, 2025
Язык: Английский
Reductive sulfur mediated Fe2+ fixation and regeneration in valorizing waste activated sludge ash to Fe2+@S-doped sodalite material for emerging contaminants degradation: Performance and mechanism
Yuting Zhou,
Hao Wu,
Jannat Javed
и другие.
Chemical Engineering Science,
Год журнала:
2025,
Номер
unknown, С. 121438 - 121438
Опубликована: Фев. 1, 2025
Язык: Английский
Progress and Perspectives on Pyrite-Derived Materials Applied in Advanced Oxidation Processes for the Elimination of Emerging Contaminants from Wastewater
Jannat Javed,
Yuting Zhou,
Saad Ullah
и другие.
Molecules,
Год журнала:
2025,
Номер
30(10), С. 2194 - 2194
Опубликована: Май 17, 2025
Emerging
contaminants
(ECs)
in
wastewater
threaten
environmental
and
human
health,
while
conventional
methods
often
prove
inadequate.
This
has
driven
increased
concern
among
decision
makers,
justifying
the
need
for
innovative
effective
treatment
approaches.
Pyrite-derived
materials
have
attracted
great
interest
advanced
oxidation
processes
(AOPs)
as
catalysts
because
of
their
unique
Fe-S
structure,
ability
to
undergo
redox
cycling,
friendliness.
review
explores
recent
advances
pyrite-derived
AOP
applications,
focusing
on
synthesis,
catalytic
mechanisms,
pollutant
degradation.
It
examines
how
pyrite
activates
oxidants
such
hydrogen
peroxide
(H2O2),
peracetic
acid
(PAA),
peroxymonosulfate
(PMS)
can
be
used
generate
reactive
oxygen
species
(ROS).
The
role
multi-dimensional
architectures
(0D–3D)
enhancing
charge
transfer,
activity,
recyclability
is
also
discussed.
Key
challenges,
including
catalyst
stability,
industrial
scalability,
Fe/S
leaching,
are
addressed
alongside
potential
solutions.
Future
directions
include
integration
pyrite-based
with
hybrid
materials,
well
green
synthesis
improve
practical
applications.
provides
researchers
engineers
valuable
insights
into
developing
sustainable
technologies.
Язык: Английский
The Electrooxidation of Synthetic Bipyridyl Herbicide Wastewaters with Boron-Doped Diamond Electrodes: A Technical and Economic Study to Boost Their Application for Pollution Prevention in the Agricultural Sector
Processes,
Год журнала:
2024,
Номер
12(11), С. 2486 - 2486
Опубликована: Ноя. 8, 2024
Boron-doped
diamond
electrodes
(BDDEs)
offer
a
highly
efficient
pathway
to
mineralize
recalcitrant
compounds
due
their
reduced
energy
requirements,
fewer
chemical
inputs,
and
mechanical
stability.
In
this
work,
the
electrochemical
degradation
of
paraquat
(PQ)
diquat
(DQ)
was
studied
using
an
undivided
cell
(Condiacell®-type)
at
circumneutral
pH,
under
galvanostatic
control.
The
roles
applied
current
density,
volumetric
flow
rate,
herbicide
concentration
were
systematically
through
central
composite
design
(CCD)
closed-flow
reaction
setup.
Under
best
operating
conditions
(i.e.,
for
PQ:
1.6
mA/cm2,
80
mL/min,
70
mg/L;
DQ:
1.5
73
mg/L),
spectrophotometric
analysis
evidenced
that
herbicides
satisfactorily
removed
(ca.
100%)
while
mineralization
degrees
above
90%.
Furthermore,
produced
effluents
yielded
significant
increases
in
seed
germination
root
length,
which
suggest
reduction
toxicity.
Energy
consumptions
0.13
0.18
kWh/g
TOC
are
reported
with
cells
PQ
DQ
treatments,
respectively.
treatments
by
electrooxidation
estimated
emit
nearly
2.7
38.9
kg
CO2/m3
water
treated,
cost
around
USD
250/m3.
Carbon
emissions
could
be
greatly
decreased
(0.28
CO2/m3)
(0.40
if
electricity
generated
from
renewable
resources.
Although
study
suggests
use
BDDE
can
considered
as
green
alternative
agrochemical
removal
lower
carbon
emissions,
environmental
profile
process
is
determined
degree
renewability
electrical
grid
each
country
or
region.
Язык: Английский
Impact of Organic Load on Methane Yields and Kinetics during Anaerobic Digestion of Sugarcane Bagasse: Optimal Feed-to-Inoculum Ratio and Total Solids of Reactor Working Volume
Energies,
Год журнала:
2024,
Номер
17(20), С. 5083 - 5083
Опубликована: Окт. 12, 2024
The
effect
of
increasing
organic
load
on
the
specific
methane
yields
(SMYs)
and
kinetics
production
during
anaerobic
digestion
(AD)
sugarcane
bagasse
(SB)
was
investigated
in
batch
experiments
at
37
°C.
AD
system
increased
based
an
increase
feed-to-inoculum
(F/I)
ratio
(T1–T5)
Total
Solids
(TS)%
working
volume
(T6–T10).
results
show
that
both
treatment
sets,
led
to
a
decrease
SMY.
Higher
loads
terms
F/I
(T4
T5)
were
inhibited
due
Volatile
Fatty
Acid
(VFA)
accumulation.
On
other
hand,
higher
(T8,
T9
T10)
TS%
by
accumulation
NH4-N.
Thus,
50
gVS/L
=
1.0
TS
10%
(T3)
found
be
highest
had
no
significant
inhibitions
among
tested
treatments.
from
kinetic
studies
first-order
model
is
best
fit
for
SMY
data,
with
average
differences%
2.32%
3.13%
treatments
T1–T5
T6–T10,
respectively.
Язык: Английский
A Systematic Review and Meta-Analysis of the Sustainable Impact of Sewage Sludge Application on Soil Organic Matter and Nutrient Content
Sustainability,
Год журнала:
2024,
Номер
16(22), С. 9865 - 9865
Опубликована: Ноя. 12, 2024
The
increasing
scarcity
of
natural
resources
makes
the
linear
production
model
unsustainable,
highlighting
need
for
more
sustainable
practices
under
umbrella
circular
economic
principles.
Sewage
sludge
emerges
as
a
promising
solution
to
provide
soil
organic
matter
(SOM)
and
nutrients.
This
meta-analysis
evaluated
impacts
three
levels
application
(low,
medium,
high)
on
(OM),
nitrogen
(N),
phosphorus
(P),
copper
(Cu),
zinc
(Zn)
contents,
considering
different
areas
experimental
conditions
worldwide.
analysis
included
37
studies
355
comparisons,
after
screening
7625
records,
following
2020
PRISMA
protocol.
effects
concentrations,
continents,
types
experiment
(field
or
greenhouse)
were
evaluated.
significantly
increased
OM,
N,
Cu,
Zn
levels,
mainly
at
medium
high
rates.
largest
observed
in
greenhouses,
suggesting
variation
by
location
environment.
Moderators
explained
part
results,
but
residual
heterogeneity
test
revealed
that
there
is
still
unexplained
variability.
Язык: Английский