Water,
Journal Year:
2023,
Volume and Issue:
15(20), P. 3703 - 3703
Published: Oct. 23, 2023
The
modification
of
pristine
biochar
derived
from
the
waste
sweet
prickly
pear
using
green
method
to
produce
nano-sized
(nanobiochar)
for
removal
steroidal
hormones
and
heavy
metals
water
wastewater
is
reported
in
this
study.
Based
on
characterisation
results
FTIR,
Raman
spectroscopy,
XPS,
material
had
(COOH),
(C=O),
(OH)
functional
groups
typical
graphitic
amorphous
carbon.
SEM-EDS
XRD
showed
that
was
mesoporous
nature.
BET
analysis
revealed
surface
area
significantly
increased
220.1
m2/g
354.6
after
biochar.
TGA-DSC
results,
thermally
stable
up
550
°C.
A
complete
factorial
experimental
design
Minitab
21
Statistical
Software
(version
18.1)
employed
optimise
adsorption
conditions.
F-values
p-values
lack-of-fit
model
acceptability
significance
ANOVA
model.
Freundlich
isotherm
found
provide
a
better
fit
steroid
data
than
Langmuir
isotherm,
with
moderate
values
R2
≥
0.92
0.95
Freundlich,
as
well
maximum
capacities
14.53
mg/g,
10.58
12.50
5.73
5.63
9.75
mg/g
obtained
estriol,
α-oestradiol,
β-oestradiol,
testosterone,
progesterone,
bisphenol
A.
were
lower
metal
adsorption,
8.58
4.15
6.95
nickel,
cadmium,
lead,
respectively.
percentage
effluents
influents
between
84–89%
78–86%
metals,
highest
90–95%
spiked
ultrapure
both
metals.
exhibited
60%
first
four
cycles.
Environmental Research,
Journal Year:
2022,
Volume and Issue:
210, P. 112886 - 112886
Published: Feb. 9, 2022
Currently,
the
presence
of
endocrine
disrupting
chemicals
(EDCs)
in
marine
environment
pose
а
potential
risk
to
both
wildlife
and
human
health.
The
occurrence
EDCs
seafood
depends
several
factors
such
as
source
amounts
that
reach
aquatic
environment,
physicochemical
features
EDCs,
its
accumulation
trophic
chain.
This
review
highlights
distribution
along
last
6
years.
following
were
included
this
review:
brominated
flame
retardants
(PBDEs,
PBBs,
HBCDDs,
TBBPA,
novel
retardants);
pharmaceuticals
(paracetamol,
ibuprofen,
diclofenac,
carbamazepine),
bisphenols,
hormones,
personal
care
products
(Musk
UV
Filters),
pesticides
(organochlorides,
organophosphates,
pyrethroids).
Some
them
found
above
threshold
may
cause
negative
effects
on
human,
animal,
environmental
More
control
some
countries,
well
new
legislation
inspection
over
purchase,
sale,
use,
production
these
compounds,
are
urgently
needed.
provides
data
support
assessment
raises
critical
gaps
stimulate
improve
future
research.
