The Chemical Record,
Год журнала:
2024,
Номер
24(8)
Опубликована: Июль 25, 2024
Global
agricultural
by-products
usually
go
to
waste,
especially
in
developing
countries
where
products
are
exported
as
raw
products.
Such
waste
streams,
once
converted
"value-added"
could
be
an
additional
source
of
revenue
while
simultaneously
having
positive
impacts
on
the
socio-economic
well-being
local
people.
We
highlight
utilization
thermochemical
techniques
activate
and
convert
streams
such
rice
straw
husk,
coconut
fiber,
coffee
wastes,
okara
power
wastes
commonly
found
world
into
porous
activated
carbons
biofuels.
suitable
for
various
applications
environmental
remediation,
climate
mitigation,
energy
storage,
conversions
batteries
supercapacitors,
improving
crop
productivity
producing
useful
Abstract
Carbon
neutrality
by
the
mid-twenty-first
century
is
a
grand
challenge
requiring
technological
innovations.
Biochar,
traditional
soil
amendment
which
has
been
used
for
fertility
improvement
and
contaminant
remediation,
revealed
new
vitality
in
this
context.
In
review
we
highlight
huge
potential
of
biochar
application
different
fields
to
mitigate
as
high
2.56
×
10
9
t
CO
2
e
total
greenhouse
gas
(GHG)
emissions
per
year,
accounting
5.0%
global
GHG
emissions.
Soil
applications
either
controlled-release
fertilizer
or
an
immobilization
agent
offer
improved
health
while
simultaneously
suppressing
CH
4
N
O.
Non-soil
also
contribute
carbon
unique
ways.
Firstly,
ruminant
feed
decreases
via
physical
sorption
enhanced
activities
methanotrophs.
Secondly,
can
be
green
catalyst
biorefinery.
Besides,
additive
Portland
cement
low
impact
development
(LID)
infrastructure
lowers
footprint
builds
resilience
climate
change.
Furthermore,
novel
batteries
supercapacitors
energy
storage
purposes.
Finally,
adsorption
capacity
makes
it
possible
being
sorbent
capture,
utilization,
(CCUS).
We
advocate
that
future
research
should
further
explore
effectiveness
systems
change
mitigation
large
scale
applications,
assess
economic
social
viability
local
combat
Graphical
Journal of Cleaner Production,
Год журнала:
2022,
Номер
371, С. 133660 - 133660
Опубликована: Авг. 20, 2022
It
is
critical
to
develop
carbon
removal
projects
that
are
both
effective
and
financially
viable.
Herein,
we
investigated
the
potential
of
an
industrial
biochar
system
in
Spain.
This
study
first
assess
techno-economic-environmental
impact
large-scale
olive
tree
pruning
residue
pyrolysis
for
atmospheric
removal,
using
integrated
assessment
framework
based
on
current
market
dynamics.
Production
optimization
response
surface
methodology
(RSM)
was
carried
out,
aiming
maximize
yield,
production
throughput
stable
content
while
prioritizing
stability.
determined
optimized
attained
at
650
°C
15
min
residence
time.
Furthermore,
a
plant
with
biomass
processing
capacity
6.5
tonnes-per-hour
designed
further
analysis.
A
thermodynamic
model
developed
Advanced
System
Process
Engineering
(ASPEN
Plus)
software,
process
be
self-sufficient
availability
surplus
energy.
Moreover,
life
cycle
(cradle-to-grave)
revealed
approximately
2.68
tCO2e
permanently
removed
from
atmosphere
per
tonne
produced,
after
accounting
footprint
entire
process.
corresponds
3.26
hour
24,450
annually.
The
economic
project
profitable;
however,
profitability
sensitive
pricing
service
biochar.
internal
rate
return
(IRR)
22.35%
achieved
price
combination
EUR
110/tonne
CO2e
350/tonne
biochar,
feedstock
cost
45
EUR/tonne
(delivered
20%
moisture
content),
where
product
within
lower
bound
pricing.
If
exclusively
offer
service,
minimum
206/tonne
required
achieve
profitability,
same
cost.
findings
this
demonstrate
viability
immediately
deploying
biochar-based
via
pyrolytic
conversion
residues
address
climate
crisis.
Sustainability,
Год журнала:
2023,
Номер
15(4), С. 3442 - 3442
Опубликована: Фев. 13, 2023
Soil
remediation
is
the
act
of
removing
or
reducing
availability
contaminants
from
soil.
In
case
agriculture,
soil
targets
removal
pollutants,
including
residual
pesticides/herbicides,
hydrocarbons,
and
toxic
heavy
metals.
This
often
done
by
chemical
treatments
with
multiple
washes
excavation
soils,
which
are
costly
time-consuming.
Therefore,
finding
cheaper,
less
time-consuming
methods
highly
desirable.
this
review,
we
will
examine
addition
biochar
as
an
effective
method
remediation.
Biochar
a
carbon-rich
material
derived
burning
biomass
in
oxygen-limited
environment
benefits
such
high
cation
exchange
capacity,
large
surface
area,
neutral
to
alkaline
pH,
some
nutritional
content.
can
also
be
sanctuary
for
naturally
occurring
microbes
inoculated
specific
contaminant
breakdown.
The
physical
characteristics
combined
biological
activity
help
bind
promote
degradation
process
these
without
need
use
hazardous
chemicals
remove
amount
Biochar,
they
house,
through
electrostatic
attraction,
sorption,
precipitation,
bioaccumulation,
their
surrounding
environment.
However,
its
vary
depending
on
feedstock,
pyrolysis
temperature,
time
mass
heated.
traits
modified
pre
post-treatments
suit
intended
use,
allowing
made
contaminants.
review
hopes
increase
interest
research
fill
missing
gaps
information
that
could
make
production
cheaper
more
consistent,
it
offers
greener
way
clean
up
Resources,
Год журнала:
2024,
Номер
13(1), С. 8 - 8
Опубликована: Янв. 5, 2024
The
global
impact
of
water
and
soil
contamination
has
become
a
serious
issue
that
affects
the
world
all
living
beings.
In
this
sense,
multiple
treatment
alternatives
have
been
developed
at
different
scales
to
improve
quality.
Among
them,
biochar
suitable
alternative
for
environmental
remediation
due
its
high
efficiency
low
cost,
raw
material
used
production
comes
from
residual
biomass.
A
is
carbonaceous
with
interesting
physicochemical
properties
(e.g.,
surface
area,
porosity,
functional
groups),
which
can
be
prepared
by
synthesis
methods
using
agricultural
wastes
(branches
banana
rachis,
cocoa
shells,
cane
bagasse,
among
others)
as
feedstock.
This
state-of-the-art
review
based
on
general
description
remediation.
Biochar’s
production,
synthesis,
uses
also
analyzed.
addition,
work
shows
some
thus
several
applications,
like
removing
heavy
metals,
oil,
dyes,
other
toxic
pollutants.
Physical
chemical
modifications,
precursors,
dopants,
promoting
agents
Fe
N
species)
discussed.
Finally,
primary
corresponding
mechanism
quality
(via
adsorption,
heterogeneous
photocatalysis,
advanced
oxidation
processes)
described,
both
laboratory
medium
large
scales.
Considering
advantages,
methods,
promising
potential
mitigate
problems
improving
quality,
reducing
greenhouse
gas
emissions,
circular
economy
through
biomass,
generating
value-added
products
uses.
