Nanomaterials,
Journal Year:
2022,
Volume and Issue:
12(10), P. 1754 - 1754
Published: May 21, 2022
In
the
current
world
situation,
population
and
industrial
growth
have
become
major
problems
for
energy
environmental
concerns.
Extremely
noxious
pollutants
such
as
heavy
metal
ions,
dyes,
antibiotics,
phenols,
pesticides
in
water
are
main
causes
behind
deprived
quality
leading
to
inadequate
access
clean
water.
this
connection,
graphite
carbon
nitride
(GCN
or
g-C3N4)
a
nonmetallic
polymeric
material
has
been
utilized
extensively
visible-light-responsive
photocatalyst
variety
of
applications.
This
review
focuses
on
recent
developments
design
photocatalytic
applications
metal-doped
GCN-based
nanomaterials
CO2
photoreduction,
splitting
toward
hydrogen
production,
bacterial
disinfection,
organic
pollutant
degradation.
Additionally,
discusses
various
methods
using
materials
optimize
dye
sensitization,
deposition,
ion
doping,
their
Green Chemistry,
Journal Year:
2022,
Volume and Issue:
24(16), P. 6215 - 6223
Published: Jan. 1, 2022
WEPA,
a
waste
biomass-derived
catalyst,
was
used
to
synthesize
quinoxalines
from
aryl/heteroaryl
1,2-diamines
and
α-hydroxy
ketones
via
metal
catalyst/added
oxidant-free
sequential
condensation–cyclization–oxidation
process.
Heliyon,
Journal Year:
2022,
Volume and Issue:
8(12), P. e12390 - e12390
Published: Dec. 1, 2022
The
incomplete
combustion
of
fossil
fuels
from
petrol,
natural
gas,
and
fuel
oil
in
the
engine
vehicles
contributes
to
air
quality
degradation
through
traffic-related
pollutant
emissions.
Real-time
affordable
multi-pollutant
(RAMPs)
monitors
were
installed
Kigali,
capital
Rwanda,
fill
gap
datasets.
Using
RAMPs,
this
is
first
modelling
research
Rwanda
aiming
report
concentration
NO2
by
comparing
In-situ
monitored
data
modelled
results.
We
targeted
emissions
27
road
networks
Kigali
address
impacts
traffic
on
over
2021.
American
Meteorological
Society
Environmental
Protection
Agency
regulatory
models
(AERMOD
ISCST3)
used
for
simulation.
Statistical
indexes
include
fractional
bias
(FB),
fraction
prediction
within
factor
two
observations
(FAC2),
normalized
mean
square
error
(NMSE),
geometric
(MG),
variance
(VG)
assess
models'
reliability.
Monitoring
shows
annual
16.07
μg/m3,
20.35
15.46
μg/m3
at
Mont-Kigali,
Gacuriro,
Gikondo-Mburabuturo
stations,
respectively.
Modelling
daily
111.77
annually
50.42
with
AERMOD
200.26
72.26
ISCST3.
FB,
NMSE,
FAC2
showed
good
agreement,
while
MG
VG
moderate
agreement
AERMOD.
disagreed
Traffic
urban
residential
identified
as
potential
sources
NO2.
Results
indicated
that
residents
are
exposed
a
significant
level
exceeding
World
Health
Organisation
limits.
Findings
will
help
track
effectiveness
Rwanda's
recently
executed
pollution-control
policy,
suggest
evidence
based
recommendations
reduce
NO2,
use
further
dispersion
support
ground-based
improve
public
health.
The Journal of Organic Chemistry,
Journal Year:
2024,
Volume and Issue:
89(19), P. 14328 - 14340
Published: Sept. 16, 2024
Here,
the
synthesis
and
catalytic
activities
of
benzoimidazole-derived
organoselenium
compounds
have
been
explored.
The
synthesized
bis(2-benzoimidazolyl)
diselenide,
having
increased
Lewis
acidity
on
selenium
center,
outperforms
simple
phenyl
Green Chemistry Letters and Reviews,
Journal Year:
2022,
Volume and Issue:
15(3), P. 529 - 536
Published: July 3, 2022
The
application
of
waste
biomass-derived
materials
to
synthetic
chemistry
is
a
remarkable
achievement,
and
the
use
aqueous
media
further
advancement.
switch
towards
earth's
abundant
metals
like
cobalt/copper/iron/nickel
from
precious
palladium
in
C–C
coupling
reactions
also
high
throughput
global
sustainability
perspective.
Herein,
we
describe
CuCl-catalyzed
homocoupling
(hetero)arylboronic
acids
(HABAs)
water
extract
pomegranate
ash
(WEPA)
with
low
E-factor
1.25
without
including
column
chromatographic
separation
products,
which
helped
understanding
effectiveness
this
method
on
comparison
reported
protocols
lacking
amounts
silica
gel
eluents,
however,
it
was
171.64
by
purification.
are
conducted
at
room
temperature
deliver
self-coupling
products
90–99%
yields
10–45
min
under
metal,
ligand,
non-renewable
base,
toxic/problematic
organic
solvent
added
oxidant-free
conditions.
A
wide
range
substrates
were
screened
aryl
heteroaryl
moieties
containing
diversified
functional
groups.
substitution
rare
metals-based
catalysts
copper,
exploration
state-of-the-art
coupling,
biorenewable
media,
ambient
conditions,
operational
simplicity,
excellent
biaryls
quick
noteworthy
advantages
protocol.
