1. Brewery Wastewater Characterization
Courtney Jones, Senior Associate Civil Engineer

2. Outline Brewing Process Overview Large Brewery in Irwindale
Cleaning Process
Packaging Process
Wastewater Characteristics
Self Monitoring Report and Inspections
Handling of Bad Batches and Working with Breweries

3. Brewing Process Overview
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4. Large Brewery in Irwindale

5. Brewing Process Brewing Inputs Byproducts of the Brewing Process Yeast
Water Source
Byproducts of the Brewing Process
CO2
Spent Grain
Yeast
Filtration
Diatomaceous Earth (DE)
Cartridge Filters

6. Cleaning Process Closed Loop Systems Cleaning Agents High Temperatures
Caustics – Sodium Hydroxide
Acids – Citric Acid, Nitric Acid
High Temperatures

7. Packaging Process Rinsing Bottles and Cans Inks and Solvents
Oils, Lubricants and Greases

8. Wastewater Characteristics
High TSS
High COD or BOD
Low pH
Soluble Sulfides
Odor Issues

9. Self Monitoring Report and Inspection
SMR
pH minimum
Flash Point minimum
Suspended Solids
Total Dissolved Solids
Soluble Sulfide
Chloride
COD reported
Inspections
Quarterly Sampling from LACSD
Night Inspections
Annual Inspection

10. Bad Batches and Working with Breweries
MillerCoors Irwindale
Call and orchestrate with LACSD
Manage flow
Have a thorough understanding of their process
Questions to ask
Do you perform advanced treatment on your water?
How do you handle spent grain from your process?
How do you filter your beer?
How often do you backwash your filters and where does the backwash go?
Do you have any wastewater pretreatment prior to discharge?

11. Questions?