Lesson 10 - Carbon Dioxide Recovery Technology
This lesson explores the technology used to recover and purify carbon dioxide (CO2), which is a co-product from brewery fermentations. Purified CO2 is used throughout the brewery to carbonate liquids and to purge air (oxygen) from vessels and packaging containers. It examines the role that fermentation and fermenter vessel operation has on the availability of CO2 for collection, as well as considering an overview of the technologies and plant involved in collecting, purifying, and liquefying CO2 for use back in the brewery.
Lesson Information
Pre-requisite Knowledge:
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Gases Unit
Learning Outcomes:
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Describe and calculate the CO2 production potential of a brew/fermenter in terms of wort volume and original extract (OE).
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Calculate the overall collection efficiency of a CO2 recovery plant, over time, against a brewing schedule.
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Describe the function of various approaches to switching tanks over from CO2 vent to CO2 collection and suggest their appropriateness for differing sized brewing operations.
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List the key processes of a recovery plant and their principles of operation.