ACS Applied Nano Materials,
Journal Year:
2023,
Volume and Issue:
6(3), P. 1573 - 1581
Published: Jan. 23, 2023
In
the
present
report,
we
employed
a
single-step
simpler
pyrolytic
process
for
synthesizing
magnetic
graphene
nanosheets
(m-GNS)
using
expired
iron-supplemented
tablets.
The
microscopic
morphological
results
showed
formation
of
multilayered
doped
with
iron
oxide
nanoparticles
that
impart
behavior.
m-GNS
are
used
here
as
advanced
oxidative
materials
to
break
down
an
azo
dye
named
acid
orange
7
(AO7).
presence
sunlight,
rate
photodegradation
AO7
is
seven
times
faster
than
under
artificial
light
(visible
and
infrared),
which
significantly
advocates
influence
sunlight.
Based
on
trapping
experiments,
production
hydroxyl
radicals
sunlight
has
majorly
been
responsible
dye.
A
comparative
nuclear
resonance
analysis
was
performed
support
breaking
complex
organic
framework
dyes
into
low-molecular-weight
hydrocarbons.
Energy & Fuels,
Journal Year:
2021,
Volume and Issue:
35(20), P. 16527 - 16533
Published: Oct. 12, 2021
The
challenges
associated
with
heavy
crude
oil
emulsions
during
hydrocarbon
exploitation
cannot
be
overemphasized.
As
such,
water/crude
separation
in
fields
becomes
necessary
before
conveyance
to
the
refinery.
In
this
study,
we
investigated
new
classes
of
pyridinium
ionic
liquids
(ILs)
demulsifiers,
1-butyl-4-methylpyridinium
tetrafluoroborate,
hexafluorophosphate,
and
iodide,
designated
as
BMPT,
BMPH,
BMPI,
unique
anions
(BF4–,
PF6–,
I–),
respectively.
effects
concentration
dosages
(100–1000
ppm)
these
ILs
on
demulsification
produced
were
assessed
using
bottle
test
technique
at
75
°C.
Viscosity
shear
stress
determination
well
interfacial
tension
(IFT)
measurements
applied
affirm
effectiveness
separate
water/oil
into
phases.
Bottle
results
revealed
that
BMPI
demulsifiers
removed
water
from
emulsion
effectively,
efficiency
(%
DE)
increased
increasing
dosage.
achieved
best
%
DE
84%,
99%,
59%,
respectively,
1000
ppm
after
60
min.
highest
was
recorded
PF6–
anion
because
its
high
hydrophobic
nature.
time-sweep
indicated
reduction
viscosities
stresses
injection
demulsifiers.
Also,
dynamic
IFT
showed
could
mix
water–oil
interface,
break
asphaltenes
resins
molecules,
reduced
16.01
12.47
mN/m.
Optical
microscopic
images
demulsifier
mechanism
describing
stages
are
also
discussed.
ACS Applied Nano Materials,
Journal Year:
2023,
Volume and Issue:
6(3), P. 1573 - 1581
Published: Jan. 23, 2023
In
the
present
report,
we
employed
a
single-step
simpler
pyrolytic
process
for
synthesizing
magnetic
graphene
nanosheets
(m-GNS)
using
expired
iron-supplemented
tablets.
The
microscopic
morphological
results
showed
formation
of
multilayered
doped
with
iron
oxide
nanoparticles
that
impart
behavior.
m-GNS
are
used
here
as
advanced
oxidative
materials
to
break
down
an
azo
dye
named
acid
orange
7
(AO7).
presence
sunlight,
rate
photodegradation
AO7
is
seven
times
faster
than
under
artificial
light
(visible
and
infrared),
which
significantly
advocates
influence
sunlight.
Based
on
trapping
experiments,
production
hydroxyl
radicals
sunlight
has
majorly
been
responsible
dye.
A
comparative
nuclear
resonance
analysis
was
performed
support
breaking
complex
organic
framework
dyes
into
low-molecular-weight
hydrocarbons.
