Existing
wastewater
treatment
technologies
face
the
key
challenge
of
simultaneously
removing
emerging
contaminants
and
nutrients
from
efficiently,
with
a
simplified
technological
process
minimized
operational
costs.
In
this
study,
novel
alginate-embedded
magnetic
biochar-anoxygenic
photosynthetic
bacteria
composite
microspheres
(CA-MBC-PSB
microspheres)
was
prepared
for
efficient,
cost-effective
one-step
removal
antibiotics
NH4+-N
wastewater.
Our
results
demonstrated
that
CA-MBC-PSB
removed
97.23%
sulfadiazine
(SDZ)
within
7
h
91%
12
h,
which
were
21.23%
38%
higher
than
those
achieved
by
pure
calcium
alginate-Rhodopseudomonas
palustris
(53%
45.7%),
respectively.
The
enhanced
SDZ
attributed
to
photoheterotrophic
metabolism
excretion
extracellular
photosensitive
active
substances
R.
Palustris
through
photo-bioelectrochemical
interaction
between
biochar.
long-term
pollutants
performance
not
deteriorated
but
continuously
improved
increasing
ruse
cycles
simultaneous
efficiency
99%
92%
after
three
cycles.
excellent
stability
reusability
due
fact
alginate
acts
as
an
encapsulating
agent
preventing
loss
contamination
biomass.
also
exhibited
(89%
in
h)
(90.7%
secondary
effluent
plant,
indicating
stable
efficient
practical
treatment.
The Science of The Total Environment,
Journal Year:
2025,
Volume and Issue:
965, P. 178634 - 178634
Published: Jan. 31, 2025
Sewage
sludge
is
the
main
by-product
of
wastewater
treatment
plants,
requiring
significant
environmental
and
economic
burdens
for
its
management
disposal.
Recently,
solar
drying
processes,
often
performed
through
greenhouses,
received
interest
due
to
their
limited
energy
requirement
renewable
exploitation.
The
dried
shows
volume
mass
reductions,
reducing
transportation
disposal
costs.
However,
physicochemical
microbiological
characteristics
must
be
properly
assessed,
especially
if
agricultural
reuse
final
destination,
possible
accumulation
(micro)pollutants
in
soil.
This
review
depicts
state-of-the-art
processes
sewage
sludge,
with
a
focus
on
technological
aspects
quality.
discusses
greenhouse-specific
features,
composition
(organic
matter,
pathogens,
heavy
metals
emerging
pollutants)
conditions
(seasonality,
ventilation,
mixing
thickness,
speed).
connected
are
presented.
limitations
this
technology
discussed
as
well,
including
applicability
wet
issues
greenhouse
structure
degradation.
A
wider
application
recommended
increase
sustainability
small
medium
areas
high
amounts
radiation
dry
weather
conditions,
while
thermal
still
appears
preferable
large
plants.
More
agronomic
studies
conducted
assess
pollutant
crops,
alternative
uses
(e.g.,
recovery
incineration,
pyrolysis
or
gasification;
utilization
construction
materials)
should
explored,
also
using
life
cycle
assessment.
CLEAN - Soil Air Water,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 9, 2024
Abstract
Emerging
contaminants
(ECs)
are
a
category
of
relatively
newly
identified
chemicals
lacking
regulatory
status
and
generally
synthetic
origin.
ECs
encompass
range
substances,
including
pharmaceuticals,
antibiotics,
antidiabetics,
pesticides,
personal
care
products
(PCPs),
endocrine‐disrupting
chemicals.
frequently
found
in
surface
water,
groundwater,
wastewater.
Wastewater
treatment
plants
(WWTPs)
often
as
sources
these
enter
wastewater
through
improper
disposal
or
usage
consumer
goods,
agricultural
runoff,
toxic
spillage,
prescription
drug
excretion
urine
feces,
the
human
body
metabolizes
fraction
administered
drugs.
The
presence
aquatic
environments
poses
significant
threat,
they
can
potentially
harm
both
ecosystem
humans,
even
at
low
concentrations.
For
comprehensive
understanding
impacts
ECs,
it
is
essential
for
researchers
to
investigate
occurrence,
sources,
fate,
transport
substances
This
review
investigates
origins
ultimate
fate
examining
their
interactions
with
surrounding
environments.
It
aims
provide
characteristics
behaviors
an
in‐depth
analysis.
discusses
techniques
processes
examines
potential
pathways
future
advancement.
