Molecules,
Journal Year:
2024,
Volume and Issue:
29(24), P. 5841 - 5841
Published: Dec. 11, 2024
In
this
research,
we
produced
two
types
of
biochar
(BC)
using
cotton
stalks
as
raw
material
and
KOH
an
activator,
compared
their
performance
adsorption
mechanisms
in
the
removal
tetracycline
(TC)
methylene
blue
(MB)
from
wastewater.
The
results
showed
that
generated
both
procedures
formed
pores
connected
to
interior
had
extensive
microporous
mesoporous
structures.
molten
salt
approach
produces
with
a
higher
specific
surface
area,
larger
pore
size,
volume
than
impregnation
method,
maximum
area
3095
m
ACS Sustainable Resource Management,
Journal Year:
2024,
Volume and Issue:
1(3), P. 504 - 516
Published: March 5, 2024
Fish
scales
(FS)
are
not
only
a
kitchen
waste
but
can
also
serve
as
resource
when
used
precursor
for
the
production
of
activated
carbon.
However,
pore
development
in
carbon
derived
from
FS
could
be
hindered
by
excessive
cracking
thermally
unstable
collagens
and
fats
FS.
Herein,
an
approach
impregnating
with
bio-oil,
before
being
K2C2O4
at
800
°C,
was
executed,
aiming
to
increase
yield,
tailor
porous
structures
carbon,
find
another
outlet
application
bio-oil.
The
results
confirmed
that
formation
diminished
due
extreme
conversion
proteins/fats
gaseous
products
during
activation.
Cross-interactions
between
organics
bio-oil
impregnation
proteins
led
doubling
yield
increased
content
(from
46.2%
control
sample
62.0%)
higher
resistance
products.
Besides,
more
developed
(more
mesopores:
22.3%
versus
12.0%)
were
generated
through
(1349.3
m2/g
1206.3
sample).
In-situ
IR
characterization
indicated
pores
via
aliphatic
Bio-oil
formed
destroyed
strong
hydrogen
bonds
FS,
generating
structures.
Additionally,
hydrothermal
carbonization
(HTC)
substantial
leaching
extent
generation
almost
no
activation
resulting
hydrochar.
co-HTC
induce
transfer
present
facilitating
development.
