Biomass and Bioenergy,
Journal Year:
2022,
Volume and Issue:
165, P. 106570 - 106570
Published: Aug. 27, 2022
Scientific
studies
have
demonstrated
that
hydrothermal
liquefaction
(HTL)
can
be
suggested
as
a
cost-effective
and
eco-friendly
solution
for
the
valorization
of
sewage
sludge
in
fields
waste
management
renewable
energy
production.
On-going
efforts
are
continued
extensively
to
improve
conversion
efficiency
order
transform
this
technology
into
industrial
application.
The
present
review
focuses
on
state-of-the-art
HTL
sludge,
systematically,
fundamentals,
influences
essential
operation
parameters,
main
existing
challenges
integrated
upgrading
evaluated
detail.
Opportunities
strategies
including
pre-treatment,
co-liquefaction,
post-application
aqueous
solid
phases
addressed.
Additionally,
some
available
results
regarding
continuous-flow
tests
summarized.
Finally,
further
considerations
recommendations
made
improving
or
completing
economic
feasibility
process.
Angewandte Chemie International Edition,
Journal Year:
2021,
Volume and Issue:
60(48), P. 25188 - 25202
Published: June 17, 2021
N-Heterocycles,
such
as
pyrroles,
pyrimidines,
quinazolines,
and
quinoxalines,
are
important
building
blocks
for
organic
chemistry
the
fine-chemical
industry.
For
their
synthesis,
catalytic
borrowing
hydrogen
acceptorless
dehydrogenative
coupling
reactions
of
alcohols
sustainable
reagents
have
received
significant
attention
in
recent
years.
To
overcome
problems
product
separation
catalyst
reusability,
several
metal-based
heterogeneous
catalysts
been
reported
to
achieve
these
transformations
with
good
yields
selectivity.
In
this
Minireview,
we
summarize
developments
using
both
noble
non-noble
synthesize
N-heterocycles
from
N-nucleophiles
via
dehydrogenation
or
methodologies.
Furthermore,
Minireview
introduces
strategies
preparation
functionalization
corresponding
catalysts,
discusses
reaction
mechanisms
roles
metal
electronic
states,
influence
support
Lewis
acid-base
properties
on
reactions.
Green Chemistry,
Journal Year:
2021,
Volume and Issue:
23(18), P. 6675 - 6697
Published: Jan. 1, 2021
This
review
presents
the
conversion
routes,
processing
strategies,
state-of-the-art
technical
advances,
challenges
and
perspectives
in
hydrothermal
amination
of
N
-rich
biomass
sources
-free
feedstocks
to
nitrogenous
chemicals.
Catalysis Science & Technology,
Journal Year:
2022,
Volume and Issue:
12(6), P. 1902 - 1921
Published: Jan. 1, 2022
The
effective
upgrading
of
renewable
resources
into
high
value-added
chemicals
is
great
significance
to
achieve
sustainable
economic
development
as
well
the
practical
implementation
carbon
neutral
technologies.
Diels–Alder
(DA)/aromatization
biobased
furan
derivatives
being
deemed
a
major
alternative
process
producing
petroleum-based
from
fossil
carbon,
given
selectivity
and
efficient
conversion
atoms
during
DA
reaction.
This
mini-review
focuses
on
state-of-the-art
progress
regarding
strategy
bio-based
furans.
Of
particular
interest
describe
research
developments
future
challenges
in
production
aromatic
hydrocarbons
by
DA/aromatization
(furan,
2-methylfuran
(MF),
2,5-dimethylfuran
(DMF),
furfural
(FF),
5-hydroxymethylfurfural
(HMF)
alkenes/alkynes,
among
many
others.
effect
substituent
properties
reactivity
dienes
cycloaddition
discussed
detail,
followed
analyzing
activation
electron-poor
(FF
HMF)
diene
Considering
experimental
calculation
results,
mechanisms
bioderived
are
also
further
depicted
with
paramount
importance
for
acquiring
an
in-depth
understanding
while
emphasizing
dominant
existing
perspectives.
ChemSusChem,
Journal Year:
2022,
Volume and Issue:
15(7)
Published: Feb. 16, 2022
Abstract
One‐pot
synthesis
of
sustainable
primary
amines
by
catalytic
reductive
amination
bio‐based
carbonyl
compounds
with
NH
3
and
H
2
is
emerging
as
a
promising
robust
approach.
The
amines,
especially
furfuryl
amine
(FUA)
derived
from
furfural
(FUR),
wide
range
applications
pharmaceuticals
to
agrochemicals,
have
attracted
much
attention
due
their
versatility.
This
Review
majorly
comprised
two
segments
on
the
FUR
FUA,
one
precious
(Ru,
Pd,
Rh)
other
non‐precious
(Co,
Ni)
metals
different
supports
in
various
solvent
systems
presence
.
active
metal
sites
generated
multiple
are
accentuated
experimental
evidence
based
CO‐diffuse
reflectance
infrared
Fourier‐transform
spectroscopy,
temperature‐programmed
reduction,
X‐ray
photoelectron
calorimetry.
Moreover,
this
comprehensively
describes
role
acidic
basic
support
for
yield
FUA.
Overall,
provides
an
insight
into
how
design
develop
efficiently
catalyst
selective
broad
spectrum
corresponding
amines.
