Sustainability,
Journal Year:
2024,
Volume and Issue:
16(14), P. 6122 - 6122
Published: July 17, 2024
Unsustainable
pig
breeding
is
a
great
threat
to
the
environment.
Ammonia
one
of
main
pollutants
emitted
in
piggery
vent
air.
This
work
comparative
survey
that
presents
findings
on
effectiveness
ammonia
adsorption
from
air
using
various
activated
carbons
(ACs).
Detailed
consideration
given
effects
(i)
type
raw
material
(wood
char,
wood
pellet,
and
commercial
lignite-based
char),
(ii)
preparation
method
(CO2,
steam,
KOH
activation),
(iii)
activation
conditions
(temperature
KOH/char
ratio),
porous
structure
ACs
their
sorption
capacity
reversibility.
Response
surface
methodology
genetic
algorithm
were
used
find
optimum
conditions.
Economic
analyses
AC
production
performed
process
modeling
Aspen
software.
It
was
found
obtained
char
show
maximum
397
g/kg,
which
at
least
2.5-fold
higher
than
reached
physical
activation.
A
lower
temperature
(<750
°C)
ratio
(>3)
preferred
for
effective
adsorption,
regardless
feedstock.
High
reversibility
achieved
(87–96%).
makes
sorbents
promising
removal
with
potential
subsequent
application
as
nitrogen-enriched
biochar
crop
fertilization.
Thus,
it
facilitates
sustainable
breeding.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
unknown
Published: Aug. 11, 2023
Abstract
Liver
and
kidney
failure
can
lead
to
extensive
accumulation
of
toxic
metabolites
in
the
blood
tissues,
such
as
bilirubin,
ammonia,
endotoxins,
cytokines,
creatinine,
uric
acid,
urea,
which
aggravate
progression
disease.
Hemoperfusion
effectively
adsorb
remove
toxins
from
treat
liver
failure.
However,
adsorption
efficiency
safety
traditional
hemoperfusion
adsorbents
are
not
ideal.
Thus,
it
is
urgent
develop
with
good
compatibility,
well
high
strong
selective
capacities,
fulfill
clinical
needs.
In
recent
years,
new
improved
performance
compatibility
have
been
developed.
This
review
classifies
summarizes
research
progress
for
common
(bilirubin,
urea)
produced
by
The
composition
structure
various
toxin
adsorbents,
performance,
biocompatibility,
safety,
mechanisms
discussed.
Based
on
a
summary
studies,
feasible
strategies
explored
designing
preparing
future
development
requirements.
trends
application
prospects
also
Environmental Chemistry Letters,
Journal Year:
2024,
Volume and Issue:
22(6), P. 2699 - 2751
Published: Aug. 23, 2024
Abstract
The
circular
economy
requires
advanced
methods
to
recycle
waste
matter
such
as
ammonia,
which
can
be
further
used
a
fuel
and
precursor
of
numerous
value-added
chemicals.
Here,
we
review
for
the
recovery
ammonia
from
wastewater
with
emphasis
on
biological
physicochemical
techniques,
their
applications.
Biological
techniques
involve
nitrification,
denitrification,
anammox
processes
use
membrane
bioreactors.
Physicochemical
comprise
adsorption,
filtration,
ion
exchange,
chemical
precipitation,
stripping,
electrochemical
oxidation,
photocatalytic
bioelectrochemical
systems,
hybrid
systems.
We
found
that
nitrification
in
bioreactors
stand
out
cost-effectiveness,
reduced
sludge
production,
energy
efficiency.
struvite
precipitation
is
an
efficient,
environmentally
friendly,
recyclable
method
removal.
Membrane
systems
are
promising
recovery,
nutrient
concentration,
treatment,
applications
fertilizer
production
water
purification.
Overall,
nitrogen
removal
ranges
28
100%,
9
100%.
Energy Nexus,
Journal Year:
2022,
Volume and Issue:
7, P. 100141 - 100141
Published: Sept. 1, 2022
Power
generation
from
renewable
energy
sources
is
becoming
increasingly
significant
as
global
consumption
increases.
The
non-renewable
we
use
now
are
on
the
verge
of
extinction.
Reverse
electrodialysis
and
pressure
retarded
osmosis
two
methods
harvesting
using
salinity
gradients.
There
non-polluting
that
can
be
found
at
interface
solutions
with
varying
makes
ion-selective
membranes
while
uses
salt
rejecting
membranes.
It
necessary
to
employ
Unlike
membranes,
ion-exchange
involve
controlled
mixing.
ion
flux
employed
by
in
reverse
extract
energy.
Pressure
an
emerging
membrane
process
for
desalination
applications.
Salinity
gradient
a
zero-emission
sustainable
technology
practically
applied
worldwide.
By
employing
semipermeable
control
mixing
process,
osmotic
generated
terms
electrical
power
via
without
causing
adverse
environmental
impacts.
In
this
study,
thin
film
nanocomposite
was
fabricated
forming
polyamide
polysulfone
substrate
through
interfacial
polymerization
process.