Materials,
Journal Year:
2023,
Volume and Issue:
16(21), P. 6903 - 6903
Published: Oct. 27, 2023
In
the
wake
of
economic
and
population
growth,
increased
wastewater
production
poses
a
challenge
related
to
sewage
sludge
treatment,
which
is
problematic
given
its
high
moisture
content,
amount,
hazardous
characteristics.
This
study
focuses
on
hydrothermal
carbonization
produce
carbonous
material–hydrochar,
may
be
an
alternative
fossil
fuels.
The
effect
process
parameters,
namely,
temperature
(180,
240,
300
°C)
duration
time
(30,
90,
180
min),
hydrochar
properties
(proximate
ultimate
analysis,
heating
values)
performance
were
studied.
Obtained
results
indicate
confirm
that
carbonization,
especially
increase,
improves
fuel
carbonized
sludge.
highest
low
value
was
obtained
for
derived
at
°C
in
min
(~23
MJ
×
kg−1).
energy
gain
noted
240
(~23%).
As
well
as
relatively
mass
yield
comparison
other
hydrochars,
these
parameters
are
considered
most
favorable
carbonization.
However,
consumption
(over
1300
kJ
g−1)
suggests
more
research
process’s
economical
efficacy
required.
Processes,
Journal Year:
2024,
Volume and Issue:
12(5), P. 1006 - 1006
Published: May 15, 2024
Waste
treatment
and
valorization
have
become
crucial
for
sustainable
development
towards
a
circular
economy.
As
an
alternative,
biochar
production
is
promising
process
to
convert
wastes
into
valuable
product
that
presents
several
potential
applications
cope
with
environmental
problems.
Biochar
in
recent
years
has
been
the
subject
of
many
studies,
which
leveraged
number
patents
industrial
interest
this
process.
Against
background,
overview
aimed:
(i)
identify
advances
research;
(ii)
assess
on
over
years;
(iii)
look
at
worldwide;
(iv)
detect
Brazil
regarding
waste
biomass
availability;
(v)
discuss
contributing
reach
some
Sustainable
Development
Goals
(SDGs).
The
holistic
analysis
presented
here
suggests
progress
made
research,
patent
development,
implementation
biochar,
its
role
achieving
certain
SDGs
noteworthy.
Therefore,
can
be
useful
guiding
future
research
about
improve
knowledge
different
branches
field.
