Materials Research Express,
Год журнала:
2024,
Номер
11(12), С. 125507 - 125507
Опубликована: Ноя. 28, 2024
Abstract
Composite
gel
spheres
(SA-BC)
were
prepared
by
using
sodium
alginate
(SA)
as
a
carrier
and
adding
peanut
shell
biochar,
their
preparation
conditions
optimized
to
evaluate
effectiveness
in
removing
the
ofloxacin
(OFX)
from
water.
In
addition,
antibiotic
contamination
Chinese
urban
waters
was
investigated.
The
results
showed
that
variety
of
pollution
existed
natural
water
bodies,
among
which
SA-BC
performed
excellently
OFX
water,
with
removal
rate
70.72%,
maintained
good
adsorption
performance
after
four
cycles
use.
experiments
demonstrated
general
applicability
practical
application
potential
dynamic
adsorption,
resistance
ionic
interference
heavy
metals
fitting
data
process
consistent
Langmuir
isothermal
model
pseudo-second-order
kinetic
model.
Further
analysis
three
main
mechanisms
SA-BC,
namely,
role
surface
functional
groups,
π
–
electron
donor–acceptor
(EDA)
interactions,
electrostatic
attraction.
Research Square (Research Square),
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 28, 2024
Abstract
The
adoption
of
CO2
capture,
utilization,
and
storage
(CCUS)
technology
is
increasingly
prevalent,
driven
by
the
global
initiative
to
conserve
energy
reduce
emissions.
Nevertheless,
CCUS
has
potential
induce
corrosion
in
equipment,
particularly
high-pressure
environments
containing
CO2.
Therefore,
anti-corrosion
protection
necessary
for
metal
utilized
production
equipment.
Herein,
an
ionic
liquid
(Triethylsulfonium
bis-trifluoromethylsulfonyl-imide)
was
used
functionalize
graphene
oxide
(prepared
via
improved
Hummers
method).
FESEM,
TEM,
XPS
confirmed
liquids
(IL)
were
successfully
attached
GO
lattice.
Afterwards,
0.5
wt%
1
IL-GO
composites
separately
incorporated
into
epoxy
coated
on
carbon
steel
substrate
with
a
thickness
50
±
2
µm.
surface
examinations
demonstrated
consistent
distribution
ILGO
composite
matrix
achieved
uniform
surface.
Anti-corrosive
property
IL-GO/epoxy
coatings
evaluated
using
electrochemical
tests
such
as
potentiodynamic
polarisation,
impedance
spectroscopy
(EIS)
after
immersion
(1.5
MPa)
3.5
NaCl
system.
After
48
h
environment
(CO2-NaCl),
efficiency
are
86.41
0.55
92.59
0.83%,
respectively.
findings
this
study
that
reinforced
coating
exhibited
exceptional
resistance
when
exposed
