Lubricants,
Год журнала:
2025,
Номер
13(3), С. 102 - 102
Опубликована: Фев. 25, 2025
The
development
of
green
lubrication
requires
nano-lubricants
to
possess
more
environmentally
friendly
fabrication
modes
and
materials
with
superior
tribological
properties.
This
study
investigates
the
properties
nano-biochar
in
PAO6
base
oil
combination
different
additives.
effect
adsorption
on
friction
reduction
anti-wear
performance
is
demonstrated
by
replacing
sub-materials
four-ball
test.
Based
comparison
wear
region
characterization,
incorporation
improves
detergent
dispersant
oils
a
coefficient
(COF)
16.7%
19.0%,
respectively,
produces
synergistic
performance.
When
compounded
agents
reducer,
there
performance,
COF
decreases
9.4%
4.5%
compared
reducer
oils,
respectively.
A
method
analyze
mechanism
nano-additives
complex
system
proposed,
which
reveals
depth
interaction
law
between
NBC
additives
process.
Water Research X,
Год журнала:
2023,
Номер
18, С. 100167 - 100167
Опубликована: Янв. 1, 2023
With
the
rapid
growth
yield
of
global
sewage
sludge,
rational
and
effective
treatment
disposal
methods
are
becoming
increasingly
needed.
Biochar
preparation
is
an
attractive
option
for
sludge
treatment,
excellent
physical
chemical
properties
derived
biochar
make
it
environmental
improvement.
Here,
current
application
state
was
comprehensively
reviewed,
advances
in
mechanism
capacity
water
contaminant
removal,
soil
remediation,
carbon
emission
reduction
were
described,
with
particular
attention
to
key
challenges
involved,
e.g.,
possible
risks
low
efficiency.
Several
new
strategies
overcoming
barriers
realize
highly
efficient
improvement
highlighted,
including
modification,
co-pyrolysis,
feedstock
selection
pretreatment.
The
insights
offered
this
review
will
facilitate
further
development
biochar,
towards
addressing
obstacles
its
crisis.
Journal of environmental chemical engineering,
Год журнала:
2023,
Номер
11(6), С. 111303 - 111303
Опубликована: Окт. 24, 2023
Bacteriological
diseases
of
humans
and
animals
can
be
held
by
the
supply
specific
antibiotics
that
allow
a
larger
average-life
expectancy.
Low
concentrations
these
recalcitrant
compounds
have
been
found
in
natural
waters,
which
cause
serious
health
risks
to
living
beings
raising
resistance
bacterial
infection,
control
infectious
diseases,
damage
beneficial
bacteria.
Antibiotics
are
very
stable
at
mild
conditions
cannot
completely
removed
municipal
wastewater
treatment
plants.
Over
last
decade,
potent
persulfate
(PS)-based
advanced
oxidation
processes
(AOPs)
being
developed
guaranty
efficient
abatement
synthetic
real
waters
wastewaters.
This
review
presents
critical
comprehensive
analysis
different
procedures
used
activate
PS
for
form
strong
oxidants
like
sulfate
radical
(SO4●−)
hydroxyl
(●OH),
covering
up
June
2023.
The
superoxide
ion
(O2●−)
non-radical
singlet
oxygen
(1O2)
also
produced
acted
as
depending
on
experimental
conditions.
Homogeneous
heterogeneous
catalytic,
UVC,
photocatalytic,
thermal,
dielectric
barrier,
electrochemical
activation
summarized.
Other
hybrid
methods
with
1
activator
combined
examined.
fundamentals
characteristics
treatments
described
remarking
their
power
abate
antibiotics,
effect
operating
variables,
generation
identification
oxidizing
agents,
influence
added
inorganic
anions
organic
matter,
detection
by-products
produced.
Finally,
toxicity
treated
antibiotic
solutions
PS-based
AOPs
is
discussed.
Abstract
Environmental
contamination
by
hexavalent
chromium
(Cr(VI))
and
antibiotic
drug
residues
pose
significant
challenges
to
public
health
ecosystems.
This
study
investigates
the
application
of
CoTiO
3
/BiVO
4
@MIL-Fe(53)
(CT/BV@Fe-MOF)
for
reduction
Cr(VI)
degradation
tetracycline
(TCL)
under
visible
light.
After
grafting
an
iron-based
metal–organic
framework
MIL-Fe(53)
on
a
modified
composite,
photogenerated
electrons
could
easily
be
transferred
from
BiVO
/Fe-MOF
species
via
interfacial
charge
transfer.
UV–vis
diffuse
reflectance
spectroscopy
showed
that
carriers
were
formed
in
response
light
absorption.
The
effect
different
operating
parameters,
including
catalyst
load,
pH,
initial
Cr(VI),
TCL
concentration,
was
systematically
evaluated
during
photocatalytic
process.
CT/BV@Fe-MOF
composite
exhibited
98.7%
efficiency
(50
ppm)
97.5%
towards
(30
within
90
min,
resulting
greater
than
pristine
,
Fe-MOF
materials.
displayed
excellent
stability
over
six
cycles,
highlighting
its
potential
practical
applications.
In
addition,
plausible
pathway
using
LC-ESI/MS
analysis,
while
TEST
program
utilized
investigate
toxicity
products
generated
