Beer brewing
Download the breweries calculator to help you estimate the releases of National Pollutant Release Inventory (NPRI) substances.
Beer production releases criteria air contaminants (CAC) and volatile organic compounds (VOCs).
The calculator focusses on releases to air and uses default emission factors. It can be adapted to use site-specific emission factors if they are available. If you have a site-specific emission factor that you would prefer to use, enter it in the emission factor column, but be sure to convert the units correctly.
The spreadsheet calculators use emission factors based on uncontrolled emission sources. If you use an emission control device and the default emission factor is uncontrolled, use this formula to adjust the spreadsheet calculation:
Controlled emissions = uncontrolled emission x ((100 - control efficiency)/100)
Since NPRI reporting thresholds are for the facility as a whole, you may need to combine the air releases you calculate with releases from other sources at your facility.
The following sections explain how the spreadsheet calculator works.
Suggested estimation methodology: emission factor
The general equation for estimation using an emission factor is:
E = A x EF
where:
- E = emissions
- A = activity rate
- EF = emission factor
Input data
The activity rate parameter (A) varies with the substance and emission factor (e.g. thousands of cubic meters of beer packaged, tonnes of grain processed, tonnes of grain dried or thousands of cases of bottles washed.) Refer to the processes and EF units in the tables below, and consult AP-42 Chapter 9.12.1 - Food and Agricultural Industries: Beverages: Malt Beverages for more detailFootnote 2 .
Substance Releases
Part 1 Substance Releases
Process | Emission factor (EF)Footnote 2 | EF units |
---|---|---|
Fermenter venting: closed fermenter (Source Classification Code (SCC) 30200935) | 0.0579804 | kilograms (kg) per thousand m3 beer packaged |
Part 4 Substance Releases
Process | Emission factor (EF)Footnote 2 | EF units |
---|---|---|
Brewers grain dryer: steam-heated (SCC 30200932) | 0.11 | kg per tonne dried grain produced |
Process | Emission factor (EF)Footnote 2 | EF units |
---|---|---|
Brew kettle (SCC 30200907) | 2.474 | kg per thousand m3 beer packaged |
Aging tank: filling (SCC 30200908) | 2.203 | kg per thousand m3 beer packaged |
Mash tun (SCC 30200921) | 0.209 | kg per thousand m3 beer packaged |
Cereal cooker (SCC 30200922) | 0.029 | kg per thousand m3 beer packaged |
Lauter tun or strainmaster (30200923) | 0.021 | kg per thousand m3 beer packaged |
Hot wort settling tank (30200924) | 0.290 | kg per thousand m3 beer packaged |
Open wort cooler (SCC 30200925) | 0.085 | kg per thousand m3 beer packaged |
Trub vessel: filling (SCC 30200926) | 0.966 | kg per thousand m3 beer packaged |
Brewers grain dryer: natural gas-fired or steam-heated (SCC 30200930,32) | 3.650 | kg per thousand m3 beer packaged |
Fermenter venting: closed fermenter (SCC 30200935) | 7.730 | kg per thousand m3 beer packaged |
Activated carbon regeneration (SCC 30200939) | 0.135 | kg per thousand m3 beer packaged |
Can filling line (SCC 30200951) | 54.115 | kg per thousand m3 beer canned |
Sterilized can filling line (SCC 30200952) | 135.288 | kg per thousand m3 beer canned |
Bottle filling line (SCC 30200953) | 65.711 | kg per thousand m3 beer bottled |
Sterilized bottle filling line (SCC 30200954) | 154.614 | kg per thousand m3 beer bottled |
Keg filling line (SCC 30200955) | 2.667 | kg per thousand m3 beer kegged |
Bottle soaker and cleaner (SCC 30200960) | 0.091 | kg per thousand cases bottles washed |
Can crusher with pneumatic conveyor (SCC 30200962) | 10.530 | kg per m3 beer recovered |
Process | Emission factor (EF)Footnote 2 | EF units |
---|---|---|
Grain handling (SCC 30200901) | 1.5 | kg per tonne grain processed |
Malt kiln (SCC 30200905) | 0.023 | kg per tonne grain dried |
Brew kettle (SCC 30200907) | 1.585 | kg per thousand m3 beer packaged |
Brewers grain dryer - natural gas-fired or steam-heated (SCC 30200930,32) | 13 | kg per tonne dried grain produced |
Process | Emission factor (EF)Footnote 2 | EF units |
---|---|---|
Malt kiln (SCC 30200905) | 0.014 | kg per tonne grain dried |
Brewers grain dryer – natural gas-fired or steam-heated (SCC 30200930,32) | 0.165 | kg per tonne dried grain produced |
Process | Emission factor (EF)Footnote 2 | EF units |
---|---|---|
Brewers grain dryer – natural gas-fired or steam-heated (SCC 30200930,32) | 0.046 | kg per tonne dried grain Produced |
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