Environmental Chemistry Letters,
Год журнала:
2023,
Номер
21(3), С. 1419 - 1476
Опубликована: Фев. 24, 2023
Abstract
Climate
change
issues
are
calling
for
advanced
methods
to
produce
materials
and
fuels
in
a
carbon–neutral
circular
way.
For
instance,
biomass
pyrolysis
has
been
intensely
investigated
during
the
last
years.
Here
we
review
of
algal
lignocellulosic
with
focus
on
products
mechanisms,
oil
upgrading,
combining
anaerobic
digestion,
economy,
life
cycle
assessment.
Products
include
oil,
gas,
biochar.
Upgrading
techniques
comprise
hot
vapor
filtration,
solvent
addition,
emulsification,
esterification
transesterification,
hydrotreatment,
steam
reforming,
use
supercritical
fluids.
We
examined
economic
viability
terms
profitability,
internal
rate
return,
return
investment,
carbon
removal
service,
product
pricing,
net
present
value.
also
reviewed
20
recent
studies
found
that
method
highly
influenced
yield,
ranging
from
9.07
40.59%
10.1
41.25%
biochar,
11.93
28.16%
syngas.
Feedstock
type,
pyrolytic
temperature,
heating
rate,
reaction
retention
time
were
main
factors
controlling
distribution
products.
Pyrolysis
mechanisms
bond
breaking,
cracking,
polymerization
re-polymerization,
fragmentation.
Biochar
residual
forestry
could
sequester
2.74
tons
dioxide
equivalent
per
ton
biochar
when
applied
soil
thus
potential
remove
0.2–2.75
gigatons
atmospheric
annually.
The
generation
bio-oil
process
is
estimated
be
economically
feasible.
Bioengineered,
Год журнала:
2022,
Номер
13(3), С. 6521 - 6557
Опубликована: Фев. 25, 2022
In
the
past
decades,
considerable
attention
has
been
directed
toward
anaerobic
digestion
(AD),
which
is
an
effective
biological
process
for
converting
diverse
organic
wastes
into
biogas,
volatile
fatty
acids
(VFAs),
biohydrogen,
etc.
The
microbial
bioprocessing
takes
part
during
AD
of
substantial
significance,
and
one
crucial
approaches
deep
adequate
understanding
manipulating
it
different
products
microbiology.
Due
to
highly
complexity
microbiome,
critically
important
study
involved
microorganisms
in
AD.
recent
years,
addition
traditional
methods,
novel
molecular
techniques
meta-omics
have
developed
provide
accurate
details
about
communities
Better
microbiomes
could
guide
us
identifying
controlling
various
factors
both
improving
diverting
metabolic
pathway
production
selective
bio-products.
This
review
covers
platforms
that
results
final
from
microbiological
point
view.
also
highlights
distinctive
interactions
occurring
among
communities.
Furthermore,
assessment
these
existing
digesters
discussed
more
insights
their
structure,
dynamics,
pathways.
Moreover,
affecting
each
platform
are
highlighted.
Finally,
provides
some
applications
bio-products
deals
with
challenges
future
perspectives
Environment International,
Год журнала:
2021,
Номер
158, С. 106908 - 106908
Опубликована: Окт. 5, 2021
Antimony
(Sb)
is
introduced
into
soils,
sediments,
and
aquatic
environments
from
various
sources
such
as
weathering
of
sulfide
ores,
leaching
mining
wastes,
anthropogenic
activities.
High
Sb
concentrations
are
toxic
to
ecosystems
potentially
public
health
via
the
accumulation
in
food
chain.
Although
poisonous
carcinogenic
humans,
exact
mechanisms
causing
toxicity
still
remain
unclear.
Most
studies
concerning
remediation
soils
contaminated
with
have
evaluated
amendments
that
reduce
bioavailability
toxicity.
However,
there
no
comprehensive
review
on
biogeochemistry
transformation
related
its
remediation.
Therefore,
present
summarizes:
(1)
geochemical
distribution
speciation
environments,
(2)
biogeochemical
processes
govern
mobilization,
bioavailability,
possible
threats
human
ecosystem
health,
(3)
approaches
used
remediate
Sb-contaminated
water
mitigate
potential
environmental
risks.
Knowledge
gaps
future
research
needs
also
discussed.
The
presents
up-to-date
knowledge
about
fate
contributes
an
important
insight
hazards
Sb.
findings
should
help
develop
innovative
appropriate
technologies
for
controlling
sustainably
managing
Sb-polluted
water,
subsequently
minimizing
