Bulletin of Shakarim University Technical Sciences,
Journal Year:
2024,
Volume and Issue:
3(15), P. 197 - 204
Published: Sept. 27, 2024
Valorization
of
lignocellulosic
biomass
(LB)
is
important
to
reduce
their
environmental
impact
and
the
risk
human
health.
Conventional
methods
for
handling
secondary
raw
materials
primarily
focus
on
waste
disposal,
treating
as
rather
than
a
source
organic
substances
producing
value-added
products.
As
an
alternative,
processes
should
be
developed
add
value
waste,
products
with
economic
benefits.
In
this
regard,
studies
have
focused
operating
parameters,
pretreatment,
microbial
fermentation
enhance
hydrogen
yield
during
dark
fermentation.
Upper
(4%)
lower
(20%)
concentrations
distillery
grain
based
substrates
biohydrogen
synthesis
using
wild-type
E.
coli
been
established.
Conditions
rational
formation
reducing
sugars
by
varying
feedstock
acid
in
During
study
effect
acid-hydrothermal
treatment
stillage
total
biohydrogen,
it
was
found
that
optimal
concentration
sulfuric
1,5%,
while
10%
material
used.
Under
these
conditions,
maximum
molecular
achieved,
equal
116
±1,0
ml/l
coli.
Environmental Science and Ecotechnology,
Journal Year:
2023,
Volume and Issue:
15, P. 100254 - 100254
Published: Feb. 20, 2023
The
current
transition
to
sustainability
and
the
circular
economy
can
be
viewed
as
a
socio-technical
response
environmental
impacts
need
enhance
overall
performance
of
linear
production
consumption
paradigm.
concept
biowaste
refineries
feasible
alternative
petroleum
has
gained
popularity.
Biowaste
become
an
important
raw
material
source
for
developing
bioproducts
biofuels.
Therefore,
effective
management
systems
biofuels
are
crucial
employed
pillars
economy.
Bioplastics,
typically
plastics
manufactured
from
bio-based
polymers,
stand
contribute
more
sustainable
commercial
plastic
life
cycles
part
in
which
virgin
polymers
made
renewable
or
recycled
materials.
Various
frameworks
strategies
utilized
model
illustrate
additional
patterns
fossil
fuel
bioplastic
feedstock
prices
various
governments'
long-term
policies.
This
review
paper
highlights
harmful
fossil-based
on
environment
human
health,
well
mass
eco-friendly
alternatives
such
biodegradable
bioplastics.
Utilizing
new
types
bioplastics
derived
resources
(e.g.,
biowastes,
agricultural
wastes,
microalgae)
choosing
appropriate
end-of-life
option
anaerobic
digestion)
may
right
direction
ensure
production.
Clear
regulation
financial
incentives
still
required
scale
niche
large-scale
market
applications
with
truly
impact.
Ecotoxicology and Environmental Safety,
Journal Year:
2024,
Volume and Issue:
271, P. 115942 - 115942
Published: Jan. 12, 2024
The
global
production
and
consumption
of
plastics,
as
well
their
deposition
in
the
environment,
are
experiencing
exponential
growth.
In
addition,
mismanaged
plastic
waste
(PW)
losses
into
drainage
channels
a
growing
source
microplastic
(MP)
pollution
concern.
However,
complete
understanding
environmental
implications
throughout
life
cycle
is
yet
to
be
fully
understood.
Determining
potential
extent
which
MPs
contribute
overall
ecotoxicity
possible
through
monitoring
PW
release
MP
removal
during
remediation.
Life
assessments
(LCAs)
have
been
extensively
utilized
many
comparative
analyses,
such
comparing
petroleum-based
plastics
with
biomass
single-use
multi-use
alternatives.
These
typically
yield
unexpected
or
paradoxical
results.
Nevertheless,
there
still
paucity
reliable
data
tools
for
conducting
LCAs
on
plastics.
On
other
hand,
impact
so
far
not
considered
LCA
studies.
This
due
absence
inventory-related
regarding
releases
characterization
factors
necessary
quantify
effects
MP.
Therefore,
this
review
paper
conducts
comprehensive
literature
order
assess
current
state
knowledge
impacts
that
occur
along
strategies
management
LCA.
Environmental Science and Ecotechnology,
Journal Year:
2024,
Volume and Issue:
21, P. 100427 - 100427
Published: April 25, 2024
Plastic
waste
discarded
into
aquatic
environments
gradually
degrades
smaller
fragments,
known
as
microplastics
(MPs),
which
range
in
size
from
0.05
to
5
mm.
The
ubiquity
of
MPs
poses
a
significant
threat
ecosystems
and,
by
extension,
human
health,
these
particles
are
ingested
various
marine
organisms
including
zooplankton,
crustaceans,
and
fish,
eventually
entering
the
food
chain.
This
contamination
threatens
entire
ecological
balance,
encompassing
safety
health
systems.
Consequently,
developing
effective
MP
removal
technologies
has
emerged
critical
area
research.
Here,
we
summarize
mechanisms
recently
reported
strategies
for
removing
ecosystems.
Strategies
combining
physical
chemical
pretreatments
with
microbial
degradation
have
shown
promise
decomposing
MPs.
Microorganisms
such
bacteria,
fungi,
algae,
specific
enzymes
being
leveraged
remediation
efforts.
Recent
advancements
focused
on
innovative
methods
membrane
bioreactors,
synthetic
biology,
organosilane-based
techniques,
biofilm-mediated
remediation,
nanomaterial-enabled
strategies,
nano-enabled
demonstrating
substantial
potential
enhance
efficiency.
review
aims
stimulate
further
innovation
methods,
promoting
environmental
social
well-being.
Insects,
Journal Year:
2025,
Volume and Issue:
16(2), P. 165 - 165
Published: Feb. 5, 2025
Plastic
pollution
is
one
of
the
biggest
current
global
threats
to
environment
given
that
petroleum-based
plastic
recalcitrant
and
can
stay
in
for
decades,
even
centuries,
depending
on
specific
type.
Since
less
than
10%
all
made
recycled,
other
solutions
(such
as
incineration
or
landfill
storage)
are
pollutant
methods,
new,
environmentally
friendly
needed.
In
this
regard,
latest
biotechnological
discovery
topic
capability
insect
larvae
use
polymers
carbon
feedstock.
This
present
review
describes
most
relevant
information
capable
degrading
plastic,
mainly
Galleria
mellonella
(Fabricius,
1798),
Tenebrio
molitor
(Linnaeus,
1758),
Zophobas
atratus
1776),
also
adds
new
about
commonly
studied
“plastivore”
insects
such
termites.
covers
literature
from
very
first
work
describing
degradation
by
published
2014
way
research
available
(till
June
2024),
focusing
identification
a
wide
variety
plastic-degrading
microorganisms
isolated
guts
understanding
potential
molecular
mechanisms
take
place.
It
discoveries,
which
include
novel
enzymes
waxworm
saliva.
