Recent Research on the Anti-Poisoning Catalysts in the Catalytic Oxidation of VOCs: A Review
Catalysts,
Год журнала:
2025,
Номер
15(3), С. 234 - 234
Опубликована: Фев. 28, 2025
Volatile
organic
compounds
(VOCs)
from
petrochemical,
pharmaceutical,
and
other
industries
have
serious
damage
to
human
health
the
environment.
Catalytic
oxidation
is
a
promising
method
eliminate
air
pollution
due
its
high
efficiency,
wide
application
range,
environmental
friendliness.
However,
in
actual
industrial
environment,
composition
of
exhaust
gases
complex,
including
VOCs,
water
vapour,
chloride,
sulfide
so
on.
The
impurities
would
competitive
adsorption
with
reactants
or
react
active
sites,
leading
decline
catalytic
activity,
even
deactivation
catalysts.
Therefore,
this
review
summarises
recent
research
on
anti-poisoning
ability
catalysts
primarily
focusing
effect
sulfide.
mechanism
manifested
that
activation
are
significant
VOCs
degradation.
On
basis,
catalyst
poisoning
was
analysed,
inhibitory
reaction
elucidated.
According
status,
three
strategies
proposed,
building
bimetallic
system,
modifying
supports,
establishing
protected
coating.
This
work
provides
theoretical
foundation
reference
point
for
rational
construction
elimination.
Язык: Английский
Catalytic performance and mechanism of toluene oxidation in high humidity over the mesoporous titania-ceria-supported Pt or Pd catalysts
Applied Catalysis A General,
Год журнала:
2025,
Номер
unknown, С. 120277 - 120277
Опубликована: Апрель 1, 2025
Язык: Английский
Transforming the Poison Effects of Water Vapor into Benefits Over Adjustable Dual Acid Sites for Stable Plasma‐Catalysis
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 26, 2025
Abstract
Developing
a
new
strategy
to
address
water
vapor
poisoning
is
crucial
for
catalysts
in
real‐working
conditions.
Except
the
traditional
thinking
of
resistance
enhancement,
reverse
idea
proposed
herein
utilizing
inevitable
H
2
O,
converting
it
active
·OH
enhance
overall
performance,
with
help
O
3
and
high
energy
electrons
(e*)
plasma.
Dual
sites
Lewis
acid
(Y
3+
)
Mn
on
Y
x
y
x+2y
catalyst
promote
co‐adsorption
,
dissociation
surface
hydroxyl
species
(*OH).
A
OH‐accompanied
pathway
decomposition
formed
intermediate
(*OOH)
lower
barrier
(0.77
eV
than
*O
2−
detected,
which
e*
plasma
can
further
accelerate
its
desorption.
Thereafter,
abundant
are
generated
work
pollutants
degradation,
achieving
99.78%
ethyl
acetate
(EA)
degradation
97.36%
mineralization
rate
YMO
(1:2)
under
humid
environment,
excellent
long‐term
stability.
The
changed
activation
site
C─O
bond
EA,
different
by‐products,
reaction
pathways
also
analyzed.
This
regulation
transforms
poison
effects
into
great
benefits,
paving
way
broader
applications
free
vapor.
Язык: Английский