The Science of The Total Environment,
Journal Year:
2023,
Volume and Issue:
885, P. 163858 - 163858
Published: May 3, 2023
The
liquid
phase,
being
a
major
product
of
the
hydrothermal
carbonization
sewage
sludge,
is
highly
problematic
due
to
numerous
toxic
compounds
that
make
it
impossible
dispose
without
adequate
purification.
Therefore,
this
study
focused
on
two
groups
selected
advanced
methods
post-processing
water
derived
from
process
sludge.
first
group
included
membrane
processes,
namely
ultrafiltration,
nanofiltration
and
double
nanofiltration.
second
coagulation,
ultrasonication
chlorination.
Chemical
physical
indicators
were
determined
confirm
validity
these
treatment
methods.
highest
reduction
values
found
for
nanofiltration,
which
showed
spectacular
decrease
in
Oxygen
Demand
by
84.9
%,
specific
conductivity
71.3
nitrate
nitrogen
92.4
phosphate
phosphorus
97.1
total
organic
carbon
83.3
83.6
inorganic
88.5
as
compared
phase
after
carbonization.
In
group,
largest
number
parameters,
greatest
was
achieved
when
10
cm3/L
iron
coagulant
added
permeate
ultrafiltration.
Additionally,
COD
decreased
41
P-PO43-
content
78
phenol
34
TOC
97
TC
95
%
IC
40
%.
International Journal of Environmental Science and Technology,
Journal Year:
2020,
Volume and Issue:
18(10), P. 3273 - 3294
Published: Dec. 26, 2020
Abstract
Currently,
due
to
the
rapid
growth
of
urbanization
and
industrialization
in
developing
countries,
a
large
volume
wastewater
is
produced
from
industries
that
contain
chemicals
generating
high
environmental
risks
affecting
human
health
economy
if
not
treated
properly.
Consequently,
development
sustainable
low-cost
treatment
approach
has
attracted
more
attention
policymakers
scientists.
The
present
review
highlights
recent
applications
biochar
removing
organic
inorganic
pollutants
industrial
effluents.
modes
preparation,
physicochemical
properties
adsorption
mechanisms
are
also
reviewed
comprehensively.
Biochar
showed
dyes
up
80%.
It
discusses
application
mechanism
biochar-supported
photocatalytic
materials
for
degradation
contaminants
wastewater.
We
possible
optimizations
(such
as
pyrolysis
temperature,
solution
pH)
allowing
increase
capabilities
leading
removal.
Besides,
increasing
temperature
was
seen
lead
an
its
surface
area,
while
it
decreases
their
amount
oxygen-containing
functional
groups,
consequently
decrease
metal
(loid)
ions
medium.
Finally,
suggests
research
should
be
carried
out
optimize
main
parameters
involved
production
regeneration
methods.
Future
efforts
towards
process
engineering
improve
capacity
economic
benefits
implementation.
Renewable Energy,
Journal Year:
2021,
Volume and Issue:
171, P. 401 - 415
Published: Feb. 24, 2021
With
increasing
energy
and
resource
consumption
due
to
population
growth,
the
biorefinery
concept
is
becoming
popular.
This
aims
harness
all
properties
of
biomass
by
producing
recovering
useful
chemical
products.
Nutrients
such
as
nitrogen
phosphorus
play
a
key
role
in
world's
food
production
because
they
are
main
elements
used
fertilizer
production.
Hydrothermal
carbonization
(HTC)
has
been
presented
suitable
option
for
recovery
that
can
also
be
pre-treatment
enhanced
nutrient
recovery.
During
HTC
process,
part
solubilized
into
process
water
other
remains
within
hydrochar.
Hydrochars
mainly
soil
amendments
their
high
content
nitrogen,
but
this
still
contains
considerable
concentration
these
compounds
making
it
potential
source
Therefore,
may
boost
strategy
extraction
(process
water)
or
densification
(hydrochar)
from
if
coupled
with
another
process.
review
presents
an
overview
fate
during
perspective
recovery,
presenting
existing
technologies
future
trends.
Environmental Chemistry Letters,
Journal Year:
2022,
Volume and Issue:
20(5), P. 2853 - 2927
Published: July 5, 2022
Abstract
The
Ukraine
conflict
has
put
critical
pressure
on
gas
supplies
and
increased
the
price
of
fertilisers.
As
a
consequence,
biogas
gained
remarkable
attention
as
local
source
both
for
energy
biofertiliser
agriculture.
Moreover,
climate
change-related
damage
incentivises
all
sectors
to
decarbonise
integrate
sustainable
practices.
For
instance,
anaerobic
digestion
allows
decarbonisation
optimal
waste
management.
Incorporating
system
in
each
country
would
limit
global
warming
2
°C.
If
suitable
policies
mechanisms
are
implemented,
industry
could
reduce
greenhouse
emissions
by
3.29–4.36
gigatonnes
carbon
dioxide
equivalent,
which
represent
about
10–13%
emissions.
Here,
we
review
role
sector
capturing
methane
mitigating
associated
with
outputs.
Since
impurities
can
cause
severe
practical
difficulties
storing
grid
delivering
systems,
present
upgrading
technologies
that
remove
or
consume
raw
biogas,
achieve
minimum
95%
content.
We
discuss
hydrogen-assisted
biological
sequestration
converting
biomethane
via
utilising
hydrogen
generated
primarily
through
other
renewable
sources
such
water
electrolysis
photovoltaic
solar
facilities
wind
turbines.
This
conceptual
shift
'power
gas'
excess
grids.
By
produced
during
into
additional
biomethane,
potential
meet
53%
demand
fossil
natural
gas.
also
evaluate
digestate
from
systems
producing
biochar,
be
used
directly
indirectly
biomethanation
enhancement,
upgrading,
cleaning
material.
