Surface and Interface Analysis,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 24, 2024
In
this
study,
a
new
type
of
green
corrosion
inhibitor,
namely,
sodium
humate
(SH),
was
extracted
from
humus
soil,
which
is
natural
plant,
by
dissolution‐neutralization,
and
then
used
for
inhibition
low
carbon
steel
in
seawater.
The
performance
SH
on
EH40
seawater
tested
weight
loss
method
electrochemical
technology.
surface
products
were
observed
analyzed
scanning
electron
microscope
(SEM),
atomic
force
(AFM),
contact
angle
X‐ray
photoelectron
spectroscopy
(XPS).
results
show
that
mixed
the
optimum
concentration
2
g
L
−1
.
At
concentration,
rate
can
reach
93.6%.
It
mainly
affects
semi‐reaction
cathodic
corrosion.
By
forming
protection
layer
with
uniform
adsorption
steel,
becomes
more
resistant
to
Biofouling,
Journal Year:
2024,
Volume and Issue:
unknown, P. 1 - 18
Published: Oct. 7, 2024
To
reveal
the
responsible
microorganisms
of
microbiologically-influenced-corrosion
(MIC),
using
16S
rRNA
and
ITS
sequencing
techniques,
we
investigated
bacterial
fungal
communities
in
rust
layer
seawater.
Results
show
that
corrosion-related
genera
Erythrobacter,
norank_f__Rhodothermaceae,
Acinetobacter
bacteria,
as
well
Aspergillus
fungi,
were
overrepresented
layer,
along
with
Pseudoalteromonas
Marinobacterium
bacteria
seawater,
Ramlibacter,
Aquimarina,
Williamsia
first
detected
layer.
SourceTracker
analysis
revealed
approximately
23.08%
21.48%
fungi
originated
from
Stochastic
processes
governed
seawater
microbial
communities,
network
showed
coexistence
interaction
among
communities.
These
results
indicate
composition
was
influenced
by
marine
environmental
which
can
provide
basic
data
support
for
control
MIC
marine-related
projects.
Surface and Interface Analysis,
Journal Year:
2024,
Volume and Issue:
unknown
Published: May 24, 2024
In
this
study,
a
new
type
of
green
corrosion
inhibitor,
namely,
sodium
humate
(SH),
was
extracted
from
humus
soil,
which
is
natural
plant,
by
dissolution‐neutralization,
and
then
used
for
inhibition
low
carbon
steel
in
seawater.
The
performance
SH
on
EH40
seawater
tested
weight
loss
method
electrochemical
technology.
surface
products
were
observed
analyzed
scanning
electron
microscope
(SEM),
atomic
force
(AFM),
contact
angle
X‐ray
photoelectron
spectroscopy
(XPS).
results
show
that
mixed
the
optimum
concentration
2
g
L
−1
.
At
concentration,
rate
can
reach
93.6%.
It
mainly
affects
semi‐reaction
cathodic
corrosion.
By
forming
protection
layer
with
uniform
adsorption
steel,
becomes
more
resistant
to