Environmental Science & Technology,
Journal Year:
2020,
Volume and Issue:
54(19), P. 12602 - 12611
Published: Aug. 20, 2020
Point-of-use
(POU)
devices
with
satisfactory
lead
(Pb2+)
removal
performance
are
urgently
needed
in
response
to
recent
outbreaks
of
contamination
drinking
water.
This
study
experimentally
demonstrated
the
excellent
capability
two-dimensional
(2D)
MoS2
nanosheets
aqueous
form
and
as
part
a
layer-stacked
membrane.
Among
all
materials
ever
reported
literature,
exhibit
highest
adsorption
capacity
(740
mg/g),
strongest
selectivity/affinity
toward
Pb2+
distribution
coefficient
Kd
that
is
orders
magnitude
higher
than
other
(5.2
×
107
mL/g).
Density
functional
theory
(DFT)
simulation
was
performed
complement
experimental
measurements
help
understand
mechanisms.
The
results
confirmed
cation
selectivity
follows
order
>
Cu2+
≫
Cd2+
Zn2+,
Ni2+
Mg2+,
K+,
Ca2+.
membrane
formed
exhibited
high
water
flux
(145
L/m2/h/bar),
while
effectively
decreasing
concentration
from
few
mg/L
less
10
μg/L.
literature-reported
filters.
Therefore,
has
great
potential
for
POU
ACS Catalysis,
Journal Year:
2021,
Volume and Issue:
11(18), P. 11336 - 11359
Published: Aug. 27, 2021
Photocatalysis
has
recently
been
highlighted
as
an
environmentally
friendly
and
energy-saving
method
toward
biomass
conversion.
In
this
review,
recent
advances
in
the
photocatalytic
conversion
of
biomass-derived
furanic
compounds
into
corresponding
value-added
products
over
various
materials
are
systematically
summarized.
addition,
progress
combination
such
a
photooxidation
with
hydrogen
evolution
reaction
(HER)
water
splitting
is
also
reviewed.
Finally,
some
potential
research
trends
to
investigate
redox
photocatalysis,
design
more
effective
catalysts,
broaden
types,
realize
real
industrial
production
via
photocatalysis
proposed.
A
bright
future
can
be
foreseen
according
explosive
reports
years
great
number
topics
that
worth
exploring.
