Industrial & Engineering Chemistry Research,
Journal Year:
2023,
Volume and Issue:
62(34), P. 13541 - 13553
Published: Aug. 16, 2023
Organic
contaminants
have
become
a
major
concern
in
current
environmental
policies.
Biochar
is
often
used
to
absorb
pollutants
due
its
large
surface
area,
wide
availability,
and
cost-effectiveness.
Lignin,
byproduct
of
the
pulp
paper
industry,
an
ideal
precursor
for
biochar
abundance,
sustainability,
high
carbon
content.
Bi-activation
engineering
alkali
lignin
during
carbonized
process
by
combining
potassium
carbonate
melamine
produce
porous
with
more
micro–mesoporous
structure
was
proposed.
Melamine
reacts
matrix
activation
process,
creating
new
alkaline
compounds
releasing
gas,
resulting
formation
micropores
mesopores.
Adjusting
ratio
can
optimize
materials.
In
this
regard,
nitrogen-doped
three-dimensional
(ALNC-2-1)
specific
area
up
3522
m2
g–1
synthesized
adsorption
methylene
blue
tetracycline
hydrochloride
wastewater;
largest
capacities
were
1364
1682
mg
g–1,
respectively.
The
found
follow
pseudo-second-order
kinetic
model
attributed
electrostatic
interaction,
pore
filling,
hydrogen
bonding,
π–π
interaction.
Moreover,
ALNC
demonstrated
removal
rates
organic
excellent
regeneration
performance,
thus
making
it
promising
material
practical
wastewater
treatment.
