Frontiers in Microbiology,
Journal Year:
2020,
Volume and Issue:
11
Published: June 3, 2020
Engineered
and
monitored
sanitary
landfills
have
been
widespread
in
the
U.S.
since
passage
of
Clean
Water
Act
(1972)
with
additional
controls
under
RCRA
Subtitle
D
(1991)
Air
Amendments
(1996).
Concurrently,
many
common
perceptions
regarding
landfill
biogeochemical
microbiological
processes
estimated
rates
gas
production
also
date
from
2-4
decades
ago.
Herein
we
summarize
recent
application
modern
tools
as
well
metadata
analysis
using
California,
USEPA
international
data
to
outline
an
evolving
view
biogeochemical/microbiological
rates.
We
focus
on
because
these
are
uniformly
subject
stringent
national
state
requirements
for
design,
operations,
monitoring,
reporting.
From
a
perspective,
anoxic
conditions
methanogenesis
rapidly
established
after
daily
burial
waste
cover
soil,
>1000
thicknesses
up
>100m
form
large
ubiquitous
group
dispersed
'dark'
ecosystems
dominated
by
anaerobic
microbial
decomposition
pathways
food,
garden
waste,
paper
substrates.
review
past
findings
ecosystem
processes,
reflect
potential
impact
that
sequencing
technologies
(e.g.,
high
throughput
platforms)
could
this
area
research.
Moreover,
due
ever
composition
landfilled
reflecting
transient
societal
practices,
consider
unusual
known
or
suspected
occur
settings,
posit
areas
research
will
be
needed
coming
decades.
With
growing
concerns
about
greenhouse
emissions
controls,
increase
chemicals
emerging
concern
stream,
resource
streams
represent,
modernized
molecular
methods
is
paramount
importance
Journal of Environmental and Public Health,
Journal Year:
2021,
Volume and Issue:
2021, P. 1 - 13
Published: Sept. 6, 2021
Totaling
at
7.4
billion
people,
the
world’s
population
is
rapidly
growing,
bringing
along
with
it
an
increase
in
waste
generation.
The
impact
of
this
exponential
generation
has
resulted
increased
formation
and
utilization
landfills.
In
present
day,
landfills
are
utilized
to
dispose
chemical,
hazardous,
municipal,
electronic
wastes.
However,
despite
their
convenience,
most
improperly
managed
face
constant
changes
from
surrounding
environment
that
interfere
internal
landfill
processes.
objectives
mixed
review
highlight
negative
impacts
have
on
public
health
as
well
outline
need
for
proper
management
practices
mitigate
these
effects.
Inadequate
leads
issues
concerning
leachate
collection
gas
(LFG)
generation,
which
give
rise
groundwater
contamination
air
pollution.
This
paper
recognizes
disadvantages
utilizing
main
disposal
method
by
focusing
two
primary
effects
improper
human
health.
Many
experts
also
reported
communities
within
close
proximity
risk
issues.
Apart
implementing
practices,
important
develop
solutions
reduce
altogether.
discusses
some
innovative
methods
implemented
other
countries
production
greenhouse
gases
possible
steps
individuals
can
take
minimize
ecological
footprints.
Environmental Science & Technology,
Journal Year:
2020,
Volume and Issue:
54(19), P. 12550 - 12559
Published: Aug. 31, 2020
Large
volumes
of
per-
and
polyfluoroalkyl
substances
(PFAS)-contaminated
wastewaters,
such
as
municipal
solid
waste
landfill
leachates,
pose
a
challenge
for
PFAS
treatment
technologies
in
practice
today.
In
this
study,
the
surfactant
properties
were
exploited
to
concentrate
compounds
foam
produced
via
bubble
aeration
leachate.
The
effectiveness
foaming
technique
concentrating
varied
by
compound,
with
mean
removal
percentage
(the
percent
difference
between
leachate
before
after
removal)
69%
median
92%
among
10
replicate
experiments.
This
appears
be
similarly
effective
at
sequestering
sulfonates
carboxylate
is
less
smallest
largest
molecules.
results
study
suggest
that
pretreatment
or
preconcentration
sequester
may
provide
practical
approach
could
strategically
coupled
high-energy
PFAS-destructive
technologies.
process
described
herein
simple
feasibly
applied
relatively
low
cost
most
landfills,
where
already
commonplace.
Frontiers in Microbiology,
Journal Year:
2020,
Volume and Issue:
11
Published: June 3, 2020
Engineered
and
monitored
sanitary
landfills
have
been
widespread
in
the
U.S.
since
passage
of
Clean
Water
Act
(1972)
with
additional
controls
under
RCRA
Subtitle
D
(1991)
Air
Amendments
(1996).
Concurrently,
many
common
perceptions
regarding
landfill
biogeochemical
microbiological
processes
estimated
rates
gas
production
also
date
from
2-4
decades
ago.
Herein
we
summarize
recent
application
modern
tools
as
well
metadata
analysis
using
California,
USEPA
international
data
to
outline
an
evolving
view
biogeochemical/microbiological
rates.
We
focus
on
because
these
are
uniformly
subject
stringent
national
state
requirements
for
design,
operations,
monitoring,
reporting.
From
a
perspective,
anoxic
conditions
methanogenesis
rapidly
established
after
daily
burial
waste
cover
soil,
>1000
thicknesses
up
>100m
form
large
ubiquitous
group
dispersed
'dark'
ecosystems
dominated
by
anaerobic
microbial
decomposition
pathways
food,
garden
waste,
paper
substrates.
review
past
findings
ecosystem
processes,
reflect
potential
impact
that
sequencing
technologies
(e.g.,
high
throughput
platforms)
could
this
area
research.
Moreover,
due
ever
composition
landfilled
reflecting
transient
societal
practices,
consider
unusual
known
or
suspected
occur
settings,
posit
areas
research
will
be
needed
coming
decades.
With
growing
concerns
about
greenhouse
emissions
controls,
increase
chemicals
emerging
concern
stream,
resource
streams
represent,
modernized
molecular
methods
is
paramount
importance
