longname |
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{longname}Q699. How do I determine the quantity of CO2 emissions produced for hydrogen production process units that use multiple fuels/feedstocks? {longname} |
A699.
...
For
...
units
...
not
...
monitored
...
by
...
a
...
CEMS,
...
the
...
CO2
...
emissions
...
should
...
be
...
the
...
sum
...
of
...
the
...
annual
...
emissions
...
associated
...
with
...
each
...
fuel
...
and
...
feedstock
...
used
...
for
...
hydrogen
...
production,
...
using
...
the
...
applicable
...
equations
...
in
...
paragraphs
...
98.163(b)(1)
...
through
...
98.163(b)(3).
...
For
...
example,
...
if
...
your
...
hydrogen
...
production
...
process
...
unit
...
uses
...
refinery
...
fuel
...
gas
...
for
...
fuel
...
and
...
natural
...
gas
...
for
...
feedstock,
...
Equation
...
P-1
...
should
...
be
...
applied
...
separately
...
for
...
each
...
fuel/feedstock
...
to
...
calculate
...
the
...
CO2
...
emissions
...
from
...
each.
...
These
...
CO2
...
emissions
...
should
...
then
...
be
...
summed
...
and
...
the
...
total
...
reported.
...
For
...
CEMS-monitored
...
units,
...
the
...
CO2
...
emissions
...
should
...
be
...
determined
...
using
...
the
...
Tier
...
4
...
calculation
...
methodology
...
as
...
described
...
in
...
98.163(a).
...
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{info}
Source: A. McKittrick, 11/26/2012 (Subpart P FAQs 11_26_12.docx)
Approval / Publishing History: Version 1
Expiration: none
Relevant Subparts: Subpart P
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