Membranes,
Год журнала:
2023,
Номер
13(9), С. 750 - 750
Опубликована: Авг. 23, 2023
This
study
investigated
the
performance
of
photocatalytic
titanium
dioxide
microfiltration
membranes
with
an
average
pore
size
approximately
180
nm
and
ultrafiltration
around
40
fabricated
suspension
plasma
spray
process.
The
were
evaluated
for
their
filtration
using
SiO2
particles
different
sizes
polyethylene
oxide
molecular
weights
20
kDa
to
1000
kDa,
fouling
parameters
characterized.
rejection
rate
was
enhanced
by
increasing
thickness
membranes.
effect
more
pronounced
membrane
improved
significantly
after
filling
larger
pores
on
surface
agglomerates
nanoparticles.
self-cleaning
assessed
under
visible
light.
Both
showed
a
flux
recovery
light
illumination
due
activity
dioxide.
also
show
than
90%.
Water Cycle,
Год журнала:
2023,
Номер
4, С. 207 - 215
Опубликована: Янв. 1, 2023
Absorbance
differential
spectra
could
be
utilized
to
identify
dissolved
organic
matter
(DOM)
characteristics
such
as
the
disinfection
by
products
(DBPs)
formation.
This
research
purposed
establish
relationship
between
absorbance
and
trihalomethanes-4
(THM4)
formation
potential,
well
estimated
cytotoxicity
of
tropical
peat
water
DOM
percentage.
The
ion
exchange
resin
was
used
separate
components
from
water.
In
addition,
UV–Vis
spectrum
examined
200
700
nm.
hydrophobic-acid
(HPOA)
fraction
contains
highest
concentration
carbon
(DOC),
THM4
production
calculated
cytotoxicity.
On
other
hand,
hydrophilic-neutral
(HPIN)
has
lowest
potential
production.
all
fractions
showed
a
comparable
peak
at
277
nm
(ΔA277)
indicated
significant
association
with
DOC
(99.6
%),
trichloromethane
(TCM)
creation
(86.6
total-THM4
(TTHM4)
(81.3
%)
formation,
(89.7
moderate
correlation
bromodichloromethane
(BDCM)
(55.6
%).
Meanwhile,
d277
had
poor
brominated
(chlorodibromomethane
(CDBM):
2.59,
tribromomethane
(TBM):
2.78
might
employed
surrogate
measure
for
its
precursor
properties
form
during
chlorination
process,
Chlorine
has
been
widely
used
for
water
disinfection
since
the
early
twentieth
century,
and
recent
advancements
in
its
applications
have
led
to
more
efficient
effective
treatment.
The
main
focus
of
these
on
reducing
formation
by-products
(DBPs),
It
may
be
hazardous
human
health.
One
approach
DBP
is
use
chlorine
dioxide
(ClO2),
which
a
higher
oxidation
potential
than
can
therefore
effectively
oxidize
organic
matter
water.
Another
monochloramine,
less
reactive
volatile
form
chlorine,
that
stable
reduce
formation.
Other
include
automated
monitoring
control
systems
optimize
dosing
over-
or
under-dosing,
alternate
methods
disinfection,
using
ozone
ultraviolet
(UV)
light,
conjunction
with
further
Overall,
contributed
safer
treatment,
reduced
risks
exposure
consumers.
This
chapter
discusses
chlorination
by-products,
their
types,
guidelines
removing
by-products.
IWA Publishing eBooks,
Год журнала:
2024,
Номер
unknown
Опубликована: Апрель 12, 2024
Abstract
Detection
and
Treatment
of
Emerging
Contaminants
in
Wastewater
addresses
the
critical
pressing
need
for
effective
strategies
to
detect
treat
emerging
contaminants,
thereby
mitigating
risks
associated
with
their
presence
wastewater.
This
comprehensive
book
features
contributions
from
prominent
experts
field
wastewater,
providing
an
up-to-date
in-depth
collection
chapters
dedicated
tackling
this
issue.
Highlights:
The
serves
as
invaluable
resource
identifying,
assessing,
comprehensively
addressing
contaminants
wastewater
and/or
sludges.
It
delves
into
assessment,
mitigation,
treatment
various
including
microplastics,
antibiotic-resistant
genes,
pharmaceuticals,
personal
care
products
industrial
chemicals.An
exploration
behavior
microplastics
different
plants
accumulation
sludge,
shedding
light
on
potential
impact
environment.An
introduction
key
mechanisms
removal
pollutants
sludge
through
fungal-mediated
processes,
offering
innovative
solutions
treatment.An
investigation
fate
pharmaceutically-active
compounds
along
environmental
impacts.
Additionally,
accurate
quantification
procedures
these
are
discussed.The
covers
new
trends
development
greener
nanomaterials,
evaluating
performance
abating
With
its
insights
diverse
perspectives,
is
essential
guide
researchers,
professionals,
policymakers
engaged
management
protection.
practical
scientific
knowledge
presented
herein
will
contribute
significantly
safeguarding
our
water
resources
ensuring
a
cleaner
healthier
future.
ISBN:
9781789063745
(paperback)
9781789063752
(ebook)
(ePub)
Case Studies in Chemical and Environmental Engineering,
Год журнала:
2024,
Номер
9, С. 100607 - 100607
Опубликована: Янв. 2, 2024
Estrogens
are
discharged
consistently
from
wastewater
treatment
plants
and
other
sources
into
surface
waters,
impacting
reproduction
development
in
humans
wildlife
populations
at
trace
concentrations
(nanogram
per
liter).
Rabbit
food
(RF)
was
previously
found
to
abiotically
transform
estrogens,
but
the
specific
functional
components
remain
unknown.
This
study
aimed
identify
vitamins
vegetable
materials
capable
of
transforming
model
estrogen
17α-ethynylestradiol
(EE2).
Individual
mixtures
were
incubated
with
EE2
solutions
analyzed
via
LC-MS/MS.
Transformation
capacity
evaluated
along
process
optimization.
Highest
transformation
observed
vitamin
B
complex,
whereby
23%
initial
transformed
unknown
products.
In
presence
a
solid
phase,
fraction
extractable
after
exposure
D3
C
21.3
18.6%,
respectively.
As
for
materials,
lowest
capacity,
mt,
mint.
On
hand,
carrot
leaves,
corn
had
comparable
mt
values
those
RF,
while
value
radish
leaves
exceeded
RF
by
16%.
Vegetables
used
this
considered
inexpensive
which
promote
removal
enhanced
adsorption
and/or
catalytic
reaction,
these
insights
can
facilitate
green
water
technologies
remove
unmetabolized
estrogens.
Further
optimization
studies
dose
impact
treatment,
whereas
temperature
25
45
°C
showed
negligible
effects,
extreme
acidic/alkaline
conditions
reduced
efficacy
significantly,
indicating
pH
dependence.
World's
population
is
growing
rapidly
and
it
will
touch
10
million
by
the
end
of
2050.
Availability
clean
safe
water
for
all
a
global
challenge.
Disinfection
most
important
step
in
treatment
to
ensure
inactivation
pathogens
from
water.
There
are
many
techniques/materials
available
disinfection
However,
there
also
challenges
associated
with
successful
implementation
methods
including
cost,
type
pathogens,
other
health
implications
caused
due
formation
byproducts
during
process.
In
this
chapter,
background
techniques
as
well
recent
trends
area
has
been
discussed
detail
an
objective
suggest
safer
strategies
disinfection.
by-products
often
lead
their
long-lasting
toxic
behavior.
factors
pH,
residence
period,
temperature,
natural
organic
matter,
characteristics
that
significantly
affect
efficiency
disinfectants
fate
by-products.
Some
carcinogenic,
reproductive
toxicants
mutagenic
nature.
advancements
can
be
avoided
treatment.
These
have
chapter
along
knowledge
gaps
provide
basic
outlook
future
research
development
alternatives.
