ACS Omega,
Год журнала:
2024,
Номер
9(5), С. 5255 - 5264
Опубликована: Янв. 26, 2024
Herein,
we
reported
an
efficient
and
novel
metal–organic
framework
(MOF)
that
was
designed
fabricated
via
hydrothermal
reaction
of
chromium(III)
nitrate
nonahydrate
salt
with
EDTA
as
organic
ligand.
The
prepared
MOF
investigated
by
PXRD,
BET,
SEM,
EDS,
FT-IR,
X-ray
mapping
techniques.
N2
adsorption–desorption
isotherms
indicated
excellent
BET
surface
area
for
Cr-EDTA-MOF,
which
is
234.55
m2/g.
Cr-EDTA-MOF
exhibits
potential
performance
the
esterification
oleic
palmitic
acids
under
gentle
conditions.
Furthermore,
this
nanostructure
material
afforded
several
benefits,
including
product
yields,
stability,
easy
methodology,
workup,
greener
situations.
heterogeneous
nanocatalyst
(Cr-EDTA-MOF)
could
be
easily
recovered
from
mixture
centrifugation
reused
four
consecutive
runs
a
minimum
loss
catalytic
activity.
Environmental Technology & Innovation,
Год журнала:
2023,
Номер
30, С. 103109 - 103109
Опубликована: Март 15, 2023
It
has
been
repeatedly
and
independently
proved
that
biochar
applications
brings
a
wide
range
of
environmental
advantages.
For
these
benefits
to
have
any
tangible
impact
on
global
scale,
needs
be
applied
in
substantial
quantities.
However,
the
commercial
applicability
most
research
date
is
limited
by
demanding
requirements
for
used
(pricy
feedstocks
or
activated
ways).
Nevertheless,
such
production
alternatives
increase
costs
thus
undermine
financial
sustainability
many
applications.
In
contrast,
from
digestate
via
waste
heat
(from
methane
combustion
at
biogas
plants)
several
synergies
make
it
possible
obtain
low
constant
quality
throughout
year.
Techno-economic
considerations
above-reviewed
literature
indicates
first
time
this
competitive
advantage
can
mass
scale
eutrophication
prevention.
Based
synthesis
reviewed
literature,
review
accompanied
(1)
proposal
activation
subsequent
use
wastewater
treatment
plants
(2)
estimate,
which
profitability
new
application.
Biotechnology and Bioengineering,
Год журнала:
2024,
Номер
121(5), С. 1486 - 1502
Опубликована: Фев. 11, 2024
Abstract
Environmental
pollution
is
a
big
challenge
that
has
been
faced
by
humans
in
contemporary
life.
In
this
context,
fossil
fuel,
cement
production,
and
plastic
waste
pose
direct
threat
to
the
environment
biodiversity.
One
of
prominent
solutions
use
renewable
sources,
different
organisms
valorize
wastes
into
green
energy
bioplastics
such
as
polylactic
acid.
Chlorella
vulgaris
,
microalgae,
promising
candidate
resolve
these
issues
due
its
ease
cultivation,
fast
growth,
carbon
dioxide
uptake,
oxygen
production
during
growth
on
wastewater
along
with
biofuels,
other
productions.
Thus,
article,
we
focused
potential
be
used
treatment,
biohydrogen,
biocement,
biopolymer,
food
additives,
preservation,
biodiesel
which
seen
most
for
industrial
scale,
related
biorefineries
recent
applications
brief
review
acid
market
size
realize
technical/nontechnical
reasons
behind
cost
obstacles
hinder
mentioned
applications.
We
believe
our
findings
are
important
those
who
interested
scientific/financial
research
about
microalgae.
Fuel Communications,
Год журнала:
2024,
Номер
18, С. 100108 - 100108
Опубликована: Фев. 1, 2024
Waste
oil
treatment
and
the
burning
of
fossil
fuels
are
causing
environmental
problems,
thus
using
waste
oils
as
pyrolysis
feedstock
to
produce
high-grade
biofuels
is
receiving
a
lot
attention.
Higher
hydrogen
volatile
matter
contents
make
them
an
optimal
raw
material
for
biofuel
production.
Conversely,
attaining
satisfactory
effects
employing
traditional
disposal
methods
such
gasification,
solvent
extraction,
transesterification,
membrane
technology,
hydro-treating
strenuous.
Clean
secure
technology
can
help
overcome
present
dilemma.
Biofuels
obtained
by
replace
fuel
it
has
been
proven
have
high
yield
higher
heating
value
(HHV);
however,
they
contain
acid
value.
Nevertheless,
treating
with
metal,
zeolites,
other
bi-functional
catalysts
helps
decrease
Energy
time
be
effectively
saved
improved
bio-oil
quality
co-pyrolysis
plastic
waste.
A
comprehensive
assessment
production
via
conventional
progressive
investigated.
The
current
evaluation
defines
technical
economical
routine
from
numerous
biomass
through
pyrolysis.
Analyzing
cost
one
crucial
components
in
determining
market
affinity
different
alternative
biofuels.
Bio-oil
made
energy
integration
approach
smoothly.
Life
cycle
(LCA)
co-feeds
was
also
discussed
in-depth.
conclusions
gained
following
study
might
influence
research
on
industry
targeted
at
commercializing
product.
Microorganisms,
Год журнала:
2023,
Номер
11(5), С. 1108 - 1108
Опубликована: Апрель 24, 2023
The
adverse
effects
of
microplastics
on
microalgae
species
have
been
extensively
studied,
but
their
impact
the
bait
entering
food
chain
has
not
well
understood.
This
study
investigated
cytological
and
physiological
response
Isochrysis
galbana
to
polyethylene
(PE-MPs,
10
μm)
nanoplastics
(PE-NPs,
50
nm).
results
showed
that
PE-MPs
had
no
significant
I.
galbana,
while
PsE-NPs
obviously
inhibited
cell
growth,
reduced
chlorophyll
content,
caused
a
decline
in
carotenoids
soluble
protein.
These
changes
quality
could
negatively
affect
its
use
as
aquaculture
feed.
To
understand
molecular
mechanism
PE-NPs,
transcriptome
sequencing
was
performed.
result
revealed
TCA
cycle,
purine
metabolism,
some
key
amino
acid
syntheses
were
down-regulated
by
Calvin
cycle
fatty
metabolism
up-regulated
tolerate
PE-NP
pressure.
Microbial
analysis
bacterial
community
structure
associated
with
significantly
altered
at
level
PE-NPs.
In
conclusion,
this
provides
new
insights
into
stress
microplastic
pollution
based
analysis.
findings
highlight
need
mitigate
release
environment
prevent
harmful
aquatic
ecosystems
will
be
helpful
understanding
microalgae.
Case Studies in Chemical and Environmental Engineering,
Год журнала:
2024,
Номер
9, С. 100698 - 100698
Опубликована: Март 19, 2024
In
this
study,
an
aqueous
ammonia
emulsion
and
a
zinc
sulfide/copper
(ZnS/Cu)
nanocomposite
were
blended
with
algae
biodiesel-diesel
blend,
the
optimum
levels
of
parameters
identified
for
enhanced
performance
reduced
emissions.
The
cultivated
concurrently
wastewater
treatment,
biodiesel's
properties
as
well
nanocomposite's
structural
surface
morphology
analyzed.
Response
methodology
was
employed
optimization,
confirmation
tests
conducted.
results
indicate
that
cultivation
effectively
removes
nutrients,
optimal
values
process
determined
to
be
10%
biodiesel,
14%
ammonia,
95
ppm
ZnS/Cu.
