Equation K-1 & K-3Subpart K - Ferroalloy Production -
Calculating CO2 Emissions Using Equation K-1 and Calculating CH4
Emissions Using Equation K-3OPTIONAL SPREADSHEET FOR FACILITY
RECORDKEEPING PURPOSESVersione-GGRT RY2010.R.02Today's
date8/13/11Use one spreadsheet for each EAF. Make additional copies
as needed.This spreadsheet is protected and contains locked cells
to ensure that you do not inadvertently alter any of the included
formulas and/or calculations. To remove this protection and alter
this spreadsheet, right-click the "worksheet" tab near the bottom
of the screen and select Unprotect Sheet. When prompted for the
password, type GHG and click "OK." Please note that making changes
to an unprotected sheet could result in incorrect calculations and
that you are responsible for the accuracy of the data you report to
EPA. For additional help, visit the Microsoft Excel Support website
(http://office.microsoft.com/en-us/excel-help).Equation
K-1:Equation K-3:Facility Name:Reporter Name:Unit Name/
ID:Reporting Period:Comments:Unit Type:EAFInput Data for Reducing
AgentsSpace for up to five materials is provided.Use additional
copies of this spreadsheet for additional materials (i.e, use
multiple spreadsheets to calculate contributions to ECO2 and ECH4,
and add the contributions prior to entering in
eGGRT).i=1i=2i=3i=4i=5[Mreducing agent i] = Annual mass of reducing
agent i fed, charged, or otherwise introduced into the EAF
(tons)[Creducing agent i] = Carbon content in reducing agent i
(percent by weight, expressed as a decimal fraction)Input Data for
ElectrodesSpace for up to five materials is provided. Use
additional copies of this spreadsheet for additional materials.Use
additional copies of this spreadsheet for additional materials
(i.e, use multiple spreadsheets to calculate contributions to ECO2
and ECH4, and add the contributions prior to entering in
eGGRT).m=1m=2m=3m=4m=5[Melectrode m] = Annual mass of carbon
electrode m consumed in the EAF (tons)[Celectrode m] = Carbon
content of the carbon electrode m (percent by weight, expressed as
a decimal fraction)Input Data for OreSpace for up to five materials
is provided. Use additional copies of this spreadsheet for
additional materials.Use additional copies of this spreadsheet for
additional materials (i.e, use multiple spreadsheets to calculate
contributions to ECO2 and ECH4, and add the contributions prior to
entering in eGGRT).h=1h=2h=3h=4h=5[More h] = Annual mass of ore h
charged to the EAF (tons)[Core h] = Carbon content in ore h
(percent by weight, expressed as a decimal fraction)Input Data for
FluxSpace for up to five materials is provided. Use additional
copies of this spreadsheet for additional materials.Use additional
copies of this spreadsheet for additional materials (i.e, use
multiple spreadsheets to calculate contributions to ECO2 and ECH4,
and add the contributions prior to entering in
eGGRT).j=1j=2j=3j=4j=5[Mflux j] = Annual mass of flux material j
fed, charged, or otherwise introduced into the EAF to facilitate
slag formation (tons)[Cflux j] = Carbon content in flux material j
(percent by weight, expressed as a decimal fraction)Input Data for
ProductSpace for up to five materials is provided. Use additional
copies of this spreadsheet for additional materials.Use additional
copies of this spreadsheet for additional materials (i.e, use
multiple spreadsheets to calculate contributions to ECO2 and ECH4,
and add the contributions prior to entering in eGGRT).k=1 or i=1k=2
or i=2k=3 or i=3k=4 or i=4k=5 or i=5[Mproduct k] = Annual mass of
alloy product k tapped from EAF (tons)[Cproduct k] = Carbon content
in alloy product k (percent by weight, expressed as a decimal
fraction)[EFproduct i] = CH4 emission factor for alloy product i
from Table K-1 in this subpart (kg of CH4 emissions per metric ton
of alloy product i)Input Data for non-Product Outgoing
MaterialSpace for up to five materials is provided. Use additional
copies of this spreadsheet for additional materials.Use additional
copies of this spreadsheet for additional materials (i.e, use
multiple spreadsheets to calculate contributions to ECO2 and ECH4,
and add the contributions prior to entering in
eGGRT).l=1l=2l=3l=4l=5[Mnon-product outgoing l] = Annual mass of
non-product outgoing material l removed from EAF
(tons)[Cnon-product outgoing l] = Carbon content in non-product
outgoing material l (percent by weight, expressed as a decimal
fraction)Constants[44/12] = Ratio of molecular weights, CO2 to
carbon44/12[2000/2205] = Conversion factor to convert tons to
metric tons2000/2205Annual CO2 Emissions (metric tons) from
Equation K-1[ECO2] = Annual process CO2 emissions from an
individual EAF (metric tons)0.0Enter this value in e-GGRTAnnual CH4
Emissions (metric tons) from Equation K-3[ECH4] = Annual process
CH4 emissions from an individual EAF (metric tons)0.00Enter this
value in e-GGRT
Table K-1Table K-1 of Subpart KElectric Arc Furnace (EAF) CH4
Emission FactorsAlloy product produced in EAFCH4 Emission Factor
(kg CH4 per metric ton product)EAF
OperationBatch-ChargingSprinkle-ChargingaSprinkle-Charging and
>750CbSilicon metal1.51.20.7Ferrosilicon
90%1.41.10.6Ferrosilicon 75%1.310.5Ferrosilicon 65%1.310.5a
Sprinkle-charging is charging intermittently every minute.b
Temperature measured in off-gas channel downstream of the furnace
hood.
MBD000A8606.unknown
MBD000A8D3F.unknown
