Zeitschrift für Physikalische Chemie,
Journal Year:
2024,
Volume and Issue:
238(9), P. 1647 - 1661
Published: Feb. 26, 2024
Abstract
In
this
study
a
low
cost
and
easily
available
Black
Poplar
Sawdust
(
Populus
nigra
L.)
was
converted
into
an
efficient
adsorbent
for
the
removal
of
acetamiprid
(AMR)
imidacloprid
(ICR)
pesticides
from
aqueous
solutions.
The
effect
adsorption
effecting
parameters
including
initial
concentration,
variations
in
amount,
time
contact,
pH
were
investigated
to
understand
process
both
pesticides.
Further
kinetic,
thermodynamic,
isotherm
models
used
get
insight
taking
place.
results
suggested
that
data
align
effectively
with
Langmuir
Temkin
(both
pesticides).
maximum
capacity
q
m
)
AMR
found
be
25.22
mg
g
−1
,
while
ICR,
it
25.65
.
Furthermore,
kinetics
best
described
by
pseudo-second-order
model
value
R
2
=
0.9934
&
0.9964
respectively
ICR.
thermodynamic
analysis
confirmed
spontaneity
feasibility
process,
evident
negative
∆
G
°
values
at
different
temperatures.
thermodynamics
parameter
also
is
physisorption
exothermic
due
H
value.
From
concluded
devised
could
reclamation
contaminated
water
subjected
further
verifications
through
testing
against
other
Research Square (Research Square),
Journal Year:
2024,
Volume and Issue:
unknown
Published: Feb. 16, 2024
Abstract
Cellulose
is
a
strong
contender
to
become
raw
material
which
can
enable
the
development
of
new
sustainably
resourced
biodegradable
materials
composites
supporting
circular
economy.
Almost
limitless
possibilities
exist
for
functionalising
cellulose
molecule
via
highly
reactive
hydroxyl
groups
enabling
easy
modification
surface,
leading
generation
tailored
compatibility
with
wide
variety
industrial
applications.
nanofibrils
(CNF)
are
one
most
promising
such
lignocellulose
derivatives.
Currently,
their
production
capacity
and
economy
hindered
by
high
chemical
energy
consumption,
latter
primarily
during
mechanical
fibrillation
native
fibre
in
aqueous
suspension,
negative
limitation
very
low
solids
content
associated
gel-like
properties
resulting
final
product.
Eliminating
need
liquid
water
process
treatment
could,
therefore,
be
transformative
respect
feasibility,
end-product
transportation
application.
The
work
reported
here
illustrates
application
oxygen
gas
barrier
discharge
plasma
on
dry
fibre.
example
comes
from
paper
pulp
manufacture,
but
principle
not
limited
wood
source.
action
etch
microcellulose
structure,
simultaneously
oxidising
glue-functioning
hemicellulose,
rendering
it
potentially
soluble,
so
that
nanopolymer
crystalline-based
fibrils
subsequently
readily
delaminated
initial
microfiber,
either
under
mild
shearing
forces
or
at
point
using
ultrasonication
medium,
form
commonly
used
nanocellulose
gel-suspension,
newly
desired
higher
content.
absence
this
pretreatment
CNF
deliver
significant
reduction
cost
environmental
load.
In
addition,
transport
treated
product
its
transformation
gel
decrease
fuel
consumption
drastically
bring
yet
further
benefits.
Zeitschrift für Physikalische Chemie,
Journal Year:
2024,
Volume and Issue:
238(9), P. 1647 - 1661
Published: Feb. 26, 2024
Abstract
In
this
study
a
low
cost
and
easily
available
Black
Poplar
Sawdust
(
Populus
nigra
L.)
was
converted
into
an
efficient
adsorbent
for
the
removal
of
acetamiprid
(AMR)
imidacloprid
(ICR)
pesticides
from
aqueous
solutions.
The
effect
adsorption
effecting
parameters
including
initial
concentration,
variations
in
amount,
time
contact,
pH
were
investigated
to
understand
process
both
pesticides.
Further
kinetic,
thermodynamic,
isotherm
models
used
get
insight
taking
place.
results
suggested
that
data
align
effectively
with
Langmuir
Temkin
(both
pesticides).
maximum
capacity
q
m
)
AMR
found
be
25.22
mg
g
−1
,
while
ICR,
it
25.65
.
Furthermore,
kinetics
best
described
by
pseudo-second-order
model
value
R
2
=
0.9934
&
0.9964
respectively
ICR.
thermodynamic
analysis
confirmed
spontaneity
feasibility
process,
evident
negative
∆
G
°
values
at
different
temperatures.
thermodynamics
parameter
also
is
physisorption
exothermic
due
H
value.
From
concluded
devised
could
reclamation
contaminated
water
subjected
further
verifications
through
testing
against
other
