Separation Science and Technology,
Год журнала:
2023,
Номер
58(12), С. 2228 - 2239
Опубликована: Июль 31, 2023
ABSTRACTCrude
oil
extraction
is
a
hot
topic
concerning
industrial
applications.
The
extracted
emulsions
treatment
with
demulsifier
demanded
for
markets.
Herein,
we
prepared
naturally
based
comprising
calcium
phosphates
from
coralline
materials.
XRD
verifies
successful
formation
of
the
intended
phosphate
characteristic
peaks
where
most
intense
peak
at
30º
(211)
plane
matched
well
card
and
former
research.
SEM
reveals
spherical,
flowery
shape.
Zeta
potential
reaches
−10
mV
indicating
reasonable
stability
demulsifier.
For
examining
separation
efficiency
using
bottle
test,
few
drops
demulsifer
(~100
ppm)
are
enough
55°C
40
min
in
water
bath.
Inherently,
initiates
within
seconds.
extended
results
applied
onto
ASH
field
(Borg
Alarab,
Egypt)
compared
to
other
companies
reports.
optimum
salt
contents
crude
9
PTB
0.1%vol,
respectively,
after
by
heating
unit
(Sigma
package).
recommended
values
these
factors
30
2%vol.
exceeds
99%
salt.
This
direction
significantly
important
production
industry.KEYWORDS:
Coralline
materials
(Porities)PhosphateSolid
stateion
exchangeHydroxyapatiteco-precipitationdemulsifiercrude
Disclosure
statementNo
conflict
interest
was
reported
authors.Data
availability
statementThe
data
processed
or
investigated
throughout
this
study
introduced
article
(and
its
supplementary
information
files).Statement
noveltyThe
acquisition
contaminations
demanded.
rising
necessity
propagating
progressively.
Motivated
point,
our
synthesized
eco-friendly
employ
them
desired
area
water–oil
separation.
tested
real
western
desert
Egypt,
Burpetco
petroleum
company.
(within
less
than
5
s)
insertion
small
amount
oil,
significant
interface
between
clearly
obtained.
acquired
were
reports
such
as
Egyptian
Petroleum
Research
Institute
(EPRI)
else.
Our
outcomes
reveal
enhancement
speed
separation,
efficiency,
concentration
Furthermore,
environmentally
safe
constitutes
separated
might
be
functioned
without
any
harm
underground
environment.Supplementary
materialSupplemental
can
accessed
online
https://doi.org/10.1080/01496395.2023.2240952
Bioengineering,
Год журнала:
2024,
Номер
11(5), С. 492 - 492
Опубликована: Май 15, 2024
Nanotechnology
has
emerged
as
an
effective
means
of
removing
contaminants
from
water.
Traditional
techniques
for
producing
nanoparticles,
such
physical
methods
(condensation
and
evaporation)
chemical
(oxidation
reduction),
have
demonstrated
high
efficiency.
However,
these
come
with
certain
drawbacks,
including
the
significant
energy
requirement
use
costly
hazardous
chemicals
that
may
cause
nanoparticles
to
adhere
surfaces.
To
address
limitations,
researchers
are
actively
developing
alternative
procedures
cost-effective,
environmentally
safe,
user-friendly.
One
promising
approach
involves
biological
synthesis,
which
utilizes
plants
or
microorganisms
reducing
capping
agents.
This
review
discusses
various
nanoparticle
a
focus
on
synthesis
using
naturally
occurring
bioflocculants
microorganisms.
Bioflocculants
offer
several
advantages,
harmlessness,
biodegradability,
minimal
secondary
pollution.
Furthermore,
covers
characterization
synthesized
their
antimicrobial
activity,
cytotoxicity.
Additionally,
it
explores
utilization
NPs
in
water
purification
dye
removal
processes.
Nano Express,
Год журнала:
2023,
Номер
4(2), С. 022002 - 022002
Опубликована: Июнь 1, 2023
Abstract
The
swiftly
growing
global
economies
remain
the
root
cause
of
soaring
demand
for
oil
and
gas
to
satisfy
their
excessive
energy
demands,
thus
making
sector
one
most
important
industrial
sectors.
Though
renewable
technologies
are
more
sustainable
option,
technological
advances
required
make
them
accessible
common
people.
Therefore,
due
limitation
technologies,
continue
be
a
viable
alternative.
Extensive
research
is
being
conducted
on
applications
nanotechnology
upstream,
midstream,
downstream
processes
efficient
in
sector.
Nanomaterials
activities
processing
transportation
economical,
efficient,
environment-friendly
than
conventional
counterparts.
In
this
review,
we
have
highlighted
need
nanomaterials
gas,
example,
crude
exploration,
including
drilling
EOR,
separation
techniques,
refining,
transportation,
other
related
activities.
Further,
review
summarizes
novel
developed
used
mentioned
above,
at
end,
briefly
described
synthesis
mechanism
these
nanomaterials.
Finally,
emphasize
current
challenges
future
work
prospects
area
study.
Arabian Journal of Chemistry,
Год журнала:
2023,
Номер
16(10), С. 105134 - 105134
Опубликована: Июль 6, 2023
In
this
paper,
a
novel
functional
magnetic
nano-demulsifier
with
efficient
oil-water
separation
and
recyclability
was
prepared
by
one-pot
method.
Magnetic
fluorinated
polyether
composite
demulsifier
(Fe3O4@C-F)
combining
Fe3O4
as
matrix
carbon
nanospheres
grafting
polyether.
The
morphology
structure
of
the
composites
were
analyzed
scanning
electron
microscopy
(SEM),
Fourier
transform
infrared
spectroscopy
(FTIR)
transmission
(TEM).
results
showed
that
successfully
compounded
on
Fe3O4,
crystallinity
improved.
demulsification
experiment
recovery
performance
test
carried
out
self-made
crude
oil
emulsion.
main
factors
affecting
its
mechanism
discussed.
effect
Fe3O4@C-F
best
when
dosage
600
ppm,
65
°C,
120
min
pH
value
6.
rate
could
reach
96.68
%,
interface
clear.
had
response,
be
recycled
reused
5
times
from
two-phase
system
under
external
field.
application
materials
in
field
has
injected
new
power
source
for
nanomaterials
demulsifiers.
Physica Scripta,
Год журнала:
2024,
Номер
99(7), С. 075964 - 075964
Опубликована: Июнь 5, 2024
Abstract
Using
the
hydrothermal
technique,
we
synthesised
ZnS
and
Ce-doped
nanoparticles
with
various
doping
concentrations
(0.5,
1,
2.5,
5
wt%).
X-ray
diffraction
(XRD)
analysis
indicated
that
pure
exhibited
a
cubic
phase,
but
when
doped
Ce,
phase
changed
to
wurtzite.
The
transition
in
was
also
verified
by
Raman
spectroscopy.
In
photoluminescence
(PL)
spectra,
however,
no
transitions
matching
dopant
were
identified,
overall
luminous
behaviour
of
may
still
be
influenced
luminescence
host
material.
Morphological
examinations
carried
out
using
scanning
electron
microscopy
(SEM)
transmission
(TEM),
which
revealed
information
about
size,
shape,
distribution
nanoparticles.
presence
Ce
further
confirmed
Energy-dispersive
x-ray
spectroscopy
(EDAX).
visible
light
photocatalytic
activity
examined,
it
observed
efficiency
initially
increased
concentration
then
decreased.
For
99%
degradation
efficiency,
1%
determined
optimal.
success
synthesis
characterisation
is
highlighted
this
work,
demonstrates
their
change,
elemental
composition,
activity.
findings
give
important
insights
into
possible
uses
these
photocatalysis
other
domains
like
optoelectronics.
