International Journal of Phytoremediation,
Journal Year:
2020,
Volume and Issue:
unknown, P. 1 - 18
Published: Nov. 11, 2020
Mining
activities
causes
heavy
metal
pollution
and
adversely
affect
the
ecological
safety
human
well-being.
Phytoremediation-biochar
synergy
can
effectively
remediate
mine
spoils
contaminated
with
metals
(HM).
A
review
which
focuses
exclusively
on
application
of
biochar
assisted
phytoremediation
in
HM
spoil
is
lacking.
Mechanisms
immobilization
by
biochar,
potential
plants
biomass
disposal
methods
has
also
been
reviewed.
Availability
feedstock
production
conditions,
optimization
rate,
techniques,
selection
suitable
hyperaccumulators
cost
bulk
are
key
to
a
successful
biochar-based
remediation
tailings
coalmine
spoil.
Presently,
herbs
shrubs
mostly
used
as
phytoremediators,
use
woody
trees
would
encourage
long-term
sequestration
reduce
disposal.
Also,
non-edible
prevent
from
entering
food
chain.
For
holistic
biochar-phytoremediation
technique,
incineration
pyrolysis
dispose
biomass.
From
economical
viewpoint,
environment
cost-benefit
analysis
should
be
considered
before
considering
feasibility
technology.HighlightsMass
scale
in-situ
economics
keys
issues.Biochar
for
spoils.Long
term
studies
using
needs
attention.Disposal
method.
International Journal of Phytoremediation,
Journal Year:
2020,
Volume and Issue:
unknown, P. 1 - 18
Published: Nov. 11, 2020
Mining
activities
causes
heavy
metal
pollution
and
adversely
affect
the
ecological
safety
human
well-being.
Phytoremediation-biochar
synergy
can
effectively
remediate
mine
spoils
contaminated
with
metals
(HM).
A
review
which
focuses
exclusively
on
application
of
biochar
assisted
phytoremediation
in
HM
spoil
is
lacking.
Mechanisms
immobilization
by
biochar,
potential
plants
biomass
disposal
methods
has
also
been
reviewed.
Availability
feedstock
production
conditions,
optimization
rate,
techniques,
selection
suitable
hyperaccumulators
cost
bulk
are
key
to
a
successful
biochar-based
remediation
tailings
coalmine
spoil.
Presently,
herbs
shrubs
mostly
used
as
phytoremediators,
use
woody
trees
would
encourage
long-term
sequestration
reduce
disposal.
Also,
non-edible
prevent
from
entering
food
chain.
For
holistic
biochar-phytoremediation
technique,
incineration
pyrolysis
dispose
biomass.
From
economical
viewpoint,
environment
cost-benefit
analysis
should
be
considered
before
considering
feasibility
technology.HighlightsMass
scale
in-situ
economics
keys
issues.Biochar
for
spoils.Long
term
studies
using
needs
attention.Disposal
method.