Sustainable Chemistry for the Environment,
Год журнала:
2023,
Номер
4, С. 100040 - 100040
Опубликована: Сен. 25, 2023
Palm
oil
is
a
product
of
major
economic
importance
worldwide
however,
palm
tree
cultivation
generates
large
quantities
fronds
as
waste.
In
this
work,
the
sorption
Eu3+
from
aqueous
solutions
by
oxidized
biochar
derived
was
studied
at
pH
3
batch
type
experiments
under
ambient
conditions.
Following
production,
sample
using
HNO3
to
increase
oxygen-containing
moieties
on
its
surface.
The
characterized
through
surface
and
spectroscopic
techniques.
As
indicated
coefficient
determination
value
0.99,
adsorption
best
described
Langmuir
isotherm
model.
optimum
capacity
determined
qmax=
0.81
mol
kg-1.
Adsorption
an
entropy-driven
process
followed
2nd
order
kinetics,
reaching
plateau
50%
relative
within
60
min.
Furthermore,
Fourier
Transform
InfraRed
data
effect
ionic
strength
that
proceeded
via
development
inner-sphere
complexes
between
carboxylic
groups
Toxics,
Год журнала:
2024,
Номер
12(5), С. 317 - 317
Опубликована: Апрель 26, 2024
Rare
earth
elements
(REEs)
are
a
new
type
of
material
resource
which
have
attracted
significant
attention
in
recent
years.
REEs
emerged
as
essential
metals
modern-day
technology
due
to
their
unique
functions.
The
long-term,
large-scale
mining
and
utilization
rare
earths
has
caused
serious
environmental
pollution
constitutes
global
health
issue,
raised
concerns
regarding
the
safety
human
health.
However,
toxicity
profile
suspended
particulate
matter
environment,
interacts
with
body,
remains
largely
unknown.
Studies
shown
that
can
enter
body
through
variety
pathways,
leading
organ
system
dysfunctions
changes
genetics,
epigenetics,
signaling
pathways.
Through
an
extensive
literature
search
critical
analysis,
we
provide
comprehensive
overview
available
evidence,
identify
knowledge
gaps,
make
recommendations
for
future
research
directions.
Sustainable Horizons,
Год журнала:
2024,
Номер
11, С. 100108 - 100108
Опубликована: Апрель 18, 2024
Solar
energy
is
the
most
common,
cheapest,
and
mature
renewable
technology.
With
solar
photovoltaics
taking
over
recently,
an
in-depth
look
into
their
supply
chain
shows
a
surprising
dependency
on
Chinese
market
from
raw
materials
to
assembled
PVs.
This
article
tackles
main
challenges
in
sheds
light
opportunities
that
industry.
The
research
results
show
China
controls
of
primary
materials,
manufacturing,
installed
capacity,
recycling
capacity.
alone
produces
at
least
80
%
components
Also,
more
than
30
cumulative
capacity
China,
top
exporter
manufactured
PVs
World
with
competitive
manufacturing
costs
reached
less
$0.24/W.
However,
value
panels
some
issues
might
pose
potential
risks
future
such
as
trade
barriers
material
shortage
possibility.
also
presents
opportunities.
Processes,
Год журнала:
2024,
Номер
12(6), С. 1235 - 1235
Опубликована: Июнь 16, 2024
Rare
earth
elements
(REEs)
are
at
the
forefront
of
discussions,
given
their
crucial
role
in
cutting-edge
and
eco-friendly
innovations
that
propel
industrial
revolution
towards
a
green
economy.
These
have
become
indispensable
to
various
modern
technologies,
such
as
smartphones,
electronic
devices,
renewable
energy
sources.
Many
different
concepts
analyses
been
introduced,
chemical
similarities
among
REEs,
health
risks
ecological
damages,
negative
environmental
impacts
current
recovery
processes,
strategies
for
advancing
REE
circular
Although
these
widely
used
applications
over
last
20
years,
literature
on
aspects
is
fragmented
spread
across
research
areas,
shared
by
multiple
branches
application
fields.
fields
include
safety
concerns,
economic
challenges,
technology.
Summarizing
classifying
this
challenging
due
its
nature,
variety
topics,
approaches
used.
The
quest
cleaner
recycling
necessitates
comprehensive
assessment
covering
economic,
technological,
aspects.
primary
goal
review
provide
holistic
perspective
with
central
focus
dimensions,
particularly
emphasizing
reuse,
recycling,
occupational
safety.
begins
addressing
complexities
highlighting
associated
considerations.
It
further
explores
reuse
shedding
light
advantages,
drawbacks,
hazards,
costs
technologies
recovery.
Additionally,
summarizes
exposure
considerations
related
REEs.
Hybrid Advances,
Год журнала:
2024,
Номер
5, С. 100175 - 100175
Опубликована: Март 23, 2024
Owing
to
their
wide
range
of
applications,
limited
availability,
and
high
cost,
the
removal
recovery
REE
have
become
an
essential
attractive
process.
Among
divergent
conventional
method
employed
for
removing
recovering
from
wastewater
streams,
adsorption,
ascribed
its
feasibility,
low
energy
consumption,
economic
adaptability,
received
persistent
attention.
different
biopolymers,
chitosan,
second
most
abundant,
emerged
as
a
preferential
adsorbent
owing
characteristics
which
include
non-toxicity,
biodegradability,
antimicrobial,
excellent
physiochemical
properties,
imparts
adsorption
capacity
(∼85–100%),
selectivity,
surface
area,
porosity
volume,
chelating
power,
hydrophilicity.
This
review
provides
comprehensive
overview
recent
literature
on
rare
earth
elements
(REE)
by
chitosan.
The
documented
findings
are
elucidated
with
respect
(1)
toxic
effects
REE,
(2)
efficacy
chitosan
in
elimination
retrieval
diverse
(3)
utilization
functionalized
processes,
(4)
methods
regenerating,
reusing,
scaling
up
adsorbents
industrial
applications.
Ceramics International,
Год журнала:
2024,
Номер
50(7), С. 11893 - 11903
Опубликована: Янв. 9, 2024
Melt-quenched
borosilicate
glasses,
co-doped
with
Bi
and
V
ions,
exhibited
broad
visible
spectrum
emissions.
ions
primarily
existed
as
Bi3+,
acting
network
modifiers,
lowering
the
glass
transition
temperature
linearly
increasing
content.
V5+
adopted
tetrahedral
coordination
[VO4]3-
units.
Photoluminescence
of
is
shifted
from
blue
to
longer
wavelengths
higher
content,
associated
stabilization
Bi2+
presence
Bi3+
in
different
local
environments.
Combined
glasses
emitted
light
covering
entire
spectrum,
offering
potential
for
white
LED
applications
correlated
color
temperatures
ranging
6135
4010
K.
The
highest
QY
was
11.9
8.0
%
upon
excitation
at
325
340
nm.
