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Beijing (China) aerosol characterization study influence of coal burning
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Beijing (China) aerosol characterization study influence of coal burning
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45339191922008_199207.ge.su.phd.pdf
Description
Rights
http://www.ohsu.edu/xd/education/library/services/theses-dissertations/rights-statement.cfm
Title
Beijing
(China)
aerosol
characterization
study
influence
of
coal
burning
Creator.PersonalName
Ge
,
Su
Thesis.Degree
Ph.D.
Thesis.Major
Environmental Science and Engineering
Thesis.DateDegreeAwarded
July
1992
Institution
Oregon Graduate Institute of Science & Technology
Department
Dept. of Environmental Science and Engineering
Thesis.Advisor/Mentor
Huntzicker, James J.
Thesis.Committee
Khalil, M.A.K.
O'Brien, Robert John O.
Johnson, Richard L.
Subject.LCSH
Air -- Pollution -- China
Coal -- China
China -- Air content
Call Number
Q183.5.OGI G401 1992
Description.Abstract
Coal
is
expected
to
surpass
petroleum
as the
world's
most
used
fuel
within
the
next
20
years
.
Coal
currently
generates
more
than
half
of
U.S
.
electricity
, and this
percentage
is
predicted
to
increase
.
Coal
usage
may
grow
by a
factor
of
two
or
three
in the
next
decade
.
China's
main
energy
source
is
coal
,
which
provides76%
of
China's
energy
.
Coal
burning
is
one
of
major
sources
of
air
pollution
in
China
. The
burning
of
100
million
tons
of
coal
per
year
in
China
probably
also
contributes
greatly
to the
global
greenhouse
effect
. The
purpose
of this
research
was to
determine
the
impact
of
industrial
and
residential
coal
burning
on
air
quality
in
Beijing
,
China
.
PM[subscript
2.5](the
aero-diameters
of
particles
collected
are
smaller
than
2.5
µm)
samples
were
collected
at
two
sites
from
April
30
,
1989
to
May
16
,
1989
and
May
20
,
1989
to
May
14
,
1990
separately
. The
samples
were
analyzed
by
thermal-optical
carbon
analysis
at
Oregon
Graduate
Institute
(OGI)
for
organic
(OC)
and
elemental
carbon
(EC)
and
X-ray
fluorescence
at
Desert
Research
Institute
for
32
elements
and
components
. A
variety
of
different
data
analysis
approaches
including
multiple
linear
regression
and
CMB
modeling
were
used
to
determine
the
sources
of
PM
[subscript
2.5]
and the
role
of
coal
burning
in
Beijing
air
pollution
. The
results
indicate
that
organic
and
elemental
carbon
are
important
components
of
aerosol
throughout
the
year
in
Beijing
.
During
the
autumn
,
winter
, and
spring
,
combustion
appears
to be the
main
source
of
particulate
organic
carbon
. The
eleven
sources
of
aerosol
included
in
honeycomb
coal
burning
when
closed
mode
(HONEYC)
,
residential
boilers
(BOILER)
,
industrial
burning
(INDST)
,
power
station
coal
burning
(POWER)
,
heavy
duty
diesel
emission(MVHDDS)
,
secondary
sulfate
,
soil
,
urban
dust
,
plant
dust
,
cement
dust
, and
cooking
emissions
.
Based
on the
low
chi-squared
,
high
R-squared
and
high
fraction
of
mass
accounted
for; the
results
of the
CMB
on
Beijing
data
can
be
considered
good
. In the
winter
at the
west
site
in
Beijing
the
total
coal
burning
contribution
was
43%
; in the
summer
it
was
18%
. The
average
winter
HONEYC
and
BOILER
contributions
were
6%
and
14%
,
while
the
INDST
and
POWER
were
10%
and
13%
respectively
.
MVHDDS
is
another
important
source
as its
annual
average
contribution
was
over
30%
. The
average
dust
contributions
were as
high
as
34%
and
32%
in the
spring
and
summer
, but
17%
and
10%
in the
autumn
and
winter
. Those
sources
and their
contributions
were
supported
by
east
site
results
in
Beijing
. The
source
profiles
of
honeycomb
and
ball
coal
were
compared
with
piece
coal
including
their
smoke
,
ash
and
coal
. For
open-vent
burning
the
source
profiles
of
honeycomb
and
ball
coal
are
very
similar
. The
EC
content
of
honeycomb
coal
open-vent
burning
and
ash
are
much
less
than that of
ball
coal
.
Thus
, the
coal
shape
might
be an
important
factor
for
coal
burning
pollution
control
and
energy
saving
.
Honeycomb
and
ball
coals
and their
ashes
show
less
sulfate
and
chloride
and
much
less
EC
content
than
piece
coal's
ash
. That
implies
that
research
of
honeycomb
,
ball
and
other
kind
of
coal
may
be
important
for
new
clean
and
cheap
fuel
in
power
station
,
industry
and
residential
usage
. The
source
libraries
and
CMB
modeling
from the
U.S
. are
good
tools
for
studying
other
countries
'
air
pollution
control
strategies
.
Therefore
, this
project
is
an
example
for
other
countries
'
air
pollution
research
.
Language
eng
Type
Text
Format.Use
Needs Adobe Acrobat Reader to view.
Format.FileType
pdf
Format.FileSize
5460.02 KB
OCLC number
26348391
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Beijing (China) aerosol characterization study influence of coal burning 