Nanoscale Research Letters,
Journal Year:
2019,
Volume and Issue:
14(1)
Published: July 12, 2019
Fabrication
of
the
heterojunction
composites
photocatalyst
has
attained
much
attention
for
solar
energy
conversion
due
to
their
high
optimization
reduction-oxidation
potential
as
a
result
effective
separation
photogenerated
electrons-holes
pairs.
In
this
review,
background
photocatalysis,
mechanism
and
several
researches
on
heterostructure
graphitic
carbon
nitride
(g-C3N4)
semiconductor
are
discussed.
The
advantages
g-C3N4
over
precursors
also
conclusion
future
perspectives
emerging
research
direction
given.
This
paper
gives
useful
knowledge
photocatalytic
mechanisms
applications.
Nano-based
photocatalysts
is
expected
enlighten
scientists
precise
management
evaluating
environment,
which
may
merit
prospect
into
developing
suitable
energy,
wastewater
treatment
environmental
purification.
Chemosphere,
Journal Year:
2017,
Volume and Issue:
174, P. 437 - 446
Published: Jan. 26, 2017
A
large
number
of
emerging
contaminants
(ECs)
are
known
to
persist
in
surface
waters,
and
create
pressure
on
wastewater
treatment
works
(WWTW)
for
their
effective
removal.
Although
a
database
the
levels
these
pollutants
water
systems
exist
globally,
there
is
still
lack
correlation
with
possible
long-term
adverse
health
effects
wildlife
humans,
such
as
endocrine
disruption.
The
current
study
detected
total
55
ECs
WWTW
influent
water,
41
effluent,
40
environmental
waters
located
upstream
downstream
plant.
list
persisted
through
process,
28%
all
removed
by
less
than
50%,
18%
were
25%.
Negative
mass
balances
some
pharmaceuticals
metabolites
observed
within
WWTW,
suggesting
back-transformation
during
treatment.
Three
parental
illicit
drug
compounds
concentrations
ranging
between
27.6
147.0
ng
L-1
cocaine,
35.6-120.6
mephedrone,
270.9-450.2
methamphetamine.
related
risks
also
discussed
ECs,
particular
reference
ability
disrupt
systems.
propose
potential
carbamazepine,
naproxen,
diclofenac
ibuprofen
be
regarded
priority
monitoring
due
regular
detection
persistence
contribution
towards
humans
wildlife.
International Journal of Molecular Sciences,
Journal Year:
2020,
Volume and Issue:
21(6), P. 1929 - 1929
Published: March 12, 2020
Anthropogenic
contaminants
in
water
can
impose
risks
to
reproductive
health.
Most
of
these
compounds
are
known
be
endocrine
disrupting
chemicals
(EDCs).
EDCs
impact
the
system
and
subsequently
impair
development
fertility
non-human
animals
humans.
The
source
chemical
contamination
is
diverse,
originating
from
byproducts
formed
during
disinfection
processes,
release
industry
livestock
activity,
or
therapeutic
drugs
released
into
sewage.
This
review
discusses
occurrence
such
as
byproducts,
fluorinated
compounds,
bisphenol
A,
phthalates,
pesticides,
estrogens,
it
outlines
their
adverse
effects
Marine Pollution Bulletin,
Journal Year:
2017,
Volume and Issue:
116(1-2), P. 291 - 297
Published: Jan. 13, 2017
Microplastics
(MPs)
are
prevalent
in
marine
ecosystems.
Because
toxicants
(termed
here
"co-contaminants")
can
sorb
to
MPs,
there
is
potential
for
MPs
alter
co-contaminant
bioavailability.
Our
objective
was
demonstrate
sorption
of
two
co-contaminants
with
different
physicochemistries
[phenanthrene
(Phe),
log10Kow=4.57;
and
17α-ethinylestradiol
(EE2),
log10Kow=3.67]
MPs;
assess
whether
bioavailability
increased
after
MP
settlement.
Bioavailability
indicated
by
gene
expression
larval
zebrafish.
Both
Phe
EE2
sorbed
which
reduced
a
maximum
33%
48%
respectively.
Sorption
occurred,
but
not
consistent
predictions
based
on
physicochemistry
(Phe
having
higher
log10Kow
expected
have
sorption).
Contaminated
settled
the
bottom
exposures
did
lead
or
EE2.
more
bioavailable
than
predicted
linear
model,
organism-based
measurements
therefore
contribute
unique
insight
into
