Polymers,
Год журнала:
2024,
Номер
16(14), С. 1985 - 1985
Опубликована: Июль 11, 2024
As
the
understanding
of
natural
gas
hydrates
as
a
vast
potential
resource
deepens,
their
importance
future
clean
energy
source
becomes
increasingly
evident.
However,
trend
towards
secondary
generation
during
extraction
and
transportation,
leading
to
safety
issues
such
pipeline
blockages.
Consequently,
developing
new
efficient
hydrate
inhibitors
has
become
focal
point
in
research.
Kinetic
(KHIs)
offer
an
effective
solution
by
disrupting
nucleation
growth
processes
without
altering
thermodynamic
equilibrium
conditions.
This
paper
systematically
reviews
latest
research
progress
development
trends
KHIs
for
hydrates,
covering
history,
classification,
inhibition
mechanisms.
It
particularly
focuses
on
chemical
properties,
effects,
mechanisms
polymer
polyvinylpyrrolidone
(PVP)
polyvinylcaprolactam
(PVCap).
Studies
indicate
that
these
provide
economical
due
low
dosage
environmental
friendliness.
Additionally,
this
explores
impact
biodegradability
inhibitors,
offering
guidance
research,
including
development,
optimization,
assessment
inhibitors.
Through
comprehensive
analysis
existing
work
aims
theoretical
foundation
technical
reference
commercial
promoting
safe
use
resource.
As
the
understanding
of
natural
gas
hydrates
as
a
vast
potential
resource
deepens,
their
importance
future
clean
energy
source
becomes
increasingly
evident.
However,
tend
to
secondary
generation
during
extraction
and
transportation,
leading
safety
issues
such
pipeline
blockages.
Consequently,
developing
new
efficient
hydrate
inhibitors
has
become
focal
point
in
research.
Kinetic
Hydrate
Inhibitors
(KHIs)
offer
an
effective
solution
by
disrupting
nucleation
growth
processes
without
altering
thermodynamic
equilibrium
conditions.
This
paper
systematically
reviews
latest
research
progress
development
trends
KHIs
for
hydrates,
covering
history,
classification,
inhibition
mechanisms.
It
particularly
focuses
on
chemical
properties,
effects,
mechanisms
polymer
polyvinylpyrrolidone
(PVP)
polyvinylcaprolactam
(PVCap).
Studies
indicate
that
these
provide
economical
due
low
dosage
environmental
friendliness.
Additionally,
this
explores
impact
biodegradability
inhibitors,
offering
guidance
research,
including
development,
optimization,
assessment
inhibitors.
Through
comprehensive
analysis
existing
work
aims
theoretical
foundation
technical
reference
commercial
promoting
safe
use
resource.
Industrial & Engineering Chemistry Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 30, 2024
Research
in
the
last
years
has
predominantly
focused
on
optimizing
depolymerization
step
of
polyethylene
terephthalate
(PET)
glycolysis,
often
overlooking
at
least
equally
critical
downstream
steps
recovering
monomer
bis(2-hydroxyethyl)
(BHET).
This
study
BHET
crystallization,
a
pivotal
unit
operation
PET
glycolysis.
We
successfully
implemented
water-free
glycolysis
process,
eliminating
complications
associated
with
internal
solvent
and
homogeneous
catalyst
recycling
found
most
commonly
applied
processes.
Based
solubility
measurements
real
reaction
mixtures,
crystallization
experiments
were
performed
180
mL
batch
lab-scale
setup.
The
simplest
method
(natural
cooling,
no
stirring)
yielded
efficient
result,
whereas
first
employing
established
techniques
(seeding,
controlled
did
not
succeed.
simple
approach
resulted
time
min,
filtration
about
4.5
giving
an
overall
process
yield
71%.
Further,
our
monomer/dimer
product
was
repolymerized,
demonstrating
potential
more
environmentally
friendly
compared
to
conventional
literature
methods.
lays
groundwork
for
future
aimed
catalysts
within
minimize
resources
energy
demand.
Polymers,
Год журнала:
2024,
Номер
16(14), С. 1985 - 1985
Опубликована: Июль 11, 2024
As
the
understanding
of
natural
gas
hydrates
as
a
vast
potential
resource
deepens,
their
importance
future
clean
energy
source
becomes
increasingly
evident.
However,
trend
towards
secondary
generation
during
extraction
and
transportation,
leading
to
safety
issues
such
pipeline
blockages.
Consequently,
developing
new
efficient
hydrate
inhibitors
has
become
focal
point
in
research.
Kinetic
(KHIs)
offer
an
effective
solution
by
disrupting
nucleation
growth
processes
without
altering
thermodynamic
equilibrium
conditions.
This
paper
systematically
reviews
latest
research
progress
development
trends
KHIs
for
hydrates,
covering
history,
classification,
inhibition
mechanisms.
It
particularly
focuses
on
chemical
properties,
effects,
mechanisms
polymer
polyvinylpyrrolidone
(PVP)
polyvinylcaprolactam
(PVCap).
Studies
indicate
that
these
provide
economical
due
low
dosage
environmental
friendliness.
Additionally,
this
explores
impact
biodegradability
inhibitors,
offering
guidance
research,
including
development,
optimization,
assessment
inhibitors.
Through
comprehensive
analysis
existing
work
aims
theoretical
foundation
technical
reference
commercial
promoting
safe
use
resource.
