Water Research,
Год журнала:
2024,
Номер
255, С. 121524 - 121524
Опубликована: Март 27, 2024
In
the
context
of
circular
economy
and
global
shortage
phosphorus
(P)
fertilizer
production,
it
is
crucial
to
effectively
recover
P
during
treatment
disposal
sewage
sludge
(SS).
Although
thermal
SS
has
been
widely
applied,
a
targeted
reclamation
route
not
yet
well
established.
This
study
comprehensively
investigated
compared
physicochemical
properties
solid
residues
(hydrochar
(HC),
biochar
(BC),
ash
(SSA),
hydrochar
(HCA),
(BCA))
after
application
three
typical
techniques
(i.e.,
hydrothermal
carbonization
(180‒240
°C),
pyrolysis
(400‒600
°C)
combustion
(850
℃).
speciation
transformation
processes
were
extensively
explored
followed
by
rational
proposal
effective
routes.
Specifically,
processing
decomposed
organic
converted
non-apatite
apatite
P.
Orthophosphate-P
was
found
be
main
species
in
all
samples.
Physicochemical
resulting
thermal-derived
products
significantly
affected
thereby
determining
their
feasibility
for
different
purposes.
particular,
recommended
agricultural
use
due
higher
harmful
metals
content,
while
acid
leaching
can
an
alternative
solution
synthesize
non-Fe-containing
because
lower
co-dissolved
Fe
content
leachate.
HC
BC
offer
option
synthesis
containing
products.
Eventually,
demonstrate
great
potential
agriculture
application,
however,
comprehensive
risk
assessment
should
conducted
before
real-world
applications.
Molecules,
Год журнала:
2021,
Номер
26(21), С. 6628 - 6628
Опубликована: Ноя. 1, 2021
Currently,
a
serious
threat
for
living
organisms
and
human
life
in
particular,
is
water
contamination
with
persistent
organic
inorganic
pollutants.
To
date,
several
techniques
have
been
adopted
to
remove/treat
organics
toxic
contaminants.
Adsorption
one
of
the
most
effective
economical
methods
this
purpose.
Generally,
porous
materials
are
considered
as
appropriate
adsorbents
purification.
Conventional
such
activated
carbons
limited
possibility
surface
modification
(texture
functionality),
their
adsorption
capacity
difficult
control.
Therefore,
despite
significant
progress
achieved
development
systems
remediation,
there
still
need
novel
adsorptive
tunable
functional
characteristics.
This
review
addresses
new
trends
adsorbent
materials.
Herein,
modern
carbon-based
materials,
graphene,
oxidized
carbon,
carbon
nanotubes,
biomass-derived
carbonaceous
matrices—biochars
well
composites
metal-organic
frameworks
(MOFs)
MOF-derived
highly-ordered
advanced
removal
hazardous
from
drinking
water,
process
leachate.
The
focused
on
preparation
these
next-generation
analysis
performance
including
possible
mechanisms.
Simultaneously,
some
weak
points
analyzed
routes
conquer
them.
For
instance,
large
quantities
pollutants,
combination
other
methods,
like
sedimentation
may
be
recommended.
A
number
efficient
strategies
further
enhancing
adsorbents,
integrating
approaches
rational
functionalization,
composing
(of
two
or
even
three
types)
can
cost
reduction
regeneration
must
also
focus
future
research
endeavors.
targeted
optimization
discussed
associated
detailed
studies
process,
especially,
multicomponent
adsorbate
solution,
will
pave
bright
avenue
remediation.
