|Karl and Ken prepare a hop extract presentation|
The CO2 extraction facilitie's Karl Vanevenhoven, Director of Operatoins, and Ken Mortensen, extract plant manager, provided a fantastic educational and eye opening tour of the CO2 extraction process, packaging, pelletizing, and storage of hops.
|Yakima Brewers and Mid-Columbia Zymurgy Assn ready to taste pure Alpha Acid extract.|
|High pressure CO2 hop extraction machinery|
The CO2 extraction process uses super high pressure CO2 (3,000 psi) pushed through ground hop pellets to extract oils and acids. A second process using agitation and food-grade chemicals to adjust PH separates the alpha acid, beta acid, and oils. The remaining vegetable matter is pelletized again and sold as livestock feed. (nothing goes to waste)
|Everyone entering a cold storage warehouse.|
|44lb boxes of Cascade Pellets|
The warehouse stores all forms of hop, whole leaf, pellet, and extract in a 30 degree fahrenheit humidity controlled environment.
|200lb bale of compressed whole hops|
|Hop bales to be shredded.|
|An exposed pellet die with pellets still attached.|
Snipes beer. Yakima Chief's Ken and Karl were fantastic hosts, and many thanks to the Yakima Brewers for letting Mid-Columbia Zymurgy tag along.