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Project 2: CO 2 Reinjection for Abita Brewing Company

Project 2: CO 2 Reinjection for Abita Brewing Company . Team 6: Dan Venooker, Glenn Beatty, Marcus Cole, Chris Descalzi. Overview. Abita Brewing Company Brewing Process Flow Chart Carbonation in the brewing process Methods of CO 2 reinjection Objectives of reinjection Constraints

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Project 2: CO 2 Reinjection for Abita Brewing Company

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  1. Project 2: CO2 Reinjection for Abita Brewing Company Team 6: Dan Venooker, Glenn Beatty, Marcus Cole, Chris Descalzi

  2. Overview • Abita Brewing Company • Brewing Process Flow Chart • Carbonation in the brewing process • Methods of CO2 reinjection • Objectives of reinjection • Constraints • Rough Process Flow Diagram • Market Competition

  3. Abita Brewing Company • Founded in 1986 • Located just north of New Orleans • Locally owned and operated • Brew >151,000 barrels small-batch craft beer and >9,100 barrels root beer annually

  4. Abita Brewing Company (con’t) • Beer ingredients • Water- no purification required, taken directly from the naturally pure abita springs aquifer • Malted barley- provides a source of food (sugar) for the yeast • Yeast- digest sugar to form alcohol and CO2 (different types of yeast used for ales vs. lagers) • Hops- add bitter flavor and aroma to the beer

  5. Brewing Process Flow Chart

  6. Carbonation in the Brewing Process • CO2 is formed through the fermentation process (along with alcohol) • CO2 dissolved in water is referred to as carbonation • Excess CO2 is generally produced, and is allowed to escape • Vented CO2 may contain H2S and DMS (Dimethyl sulfide)

  7. Outlets for CO2 Reinjection • Bottle-purging: Removes air to prevent oxidation, which affects flavor • Carbonation of root beer: Most non-alcoholic root beer (like Abita’s) is entirely carbonated via forced carbonation • Carbonation of beer: Many beers do not contain the desired level of carbonation after fermentation (equilibrium controlled)

  8. Constraints • Low sulfide content - no regulations by FDA other than labeling for sulfites ( > 10 ppm) • < 0.3 ppm for release into atmosphere (waste) • Ask Jamie Jurado for specifications • May be different for reinjection/bottle-purging • High pressure required for forced carbonation and low temperature required to purify CO2 • Sulfides present safety hazard (both in the plant as a breathing hazard, and sulfites in the beer ruin flavor)

  9. Objectives • Capture gas released during fermentation process • Scrub CO2 stream to maintain unwanted sulfides below required limits • Reinject purified CO2 into root beer, or into bottle-purging process

  10. Required Unit Ops • Abita has recently acquired used equipment from a nearby plant • We don’t know exactly what yet • Closed plant operated on larger scale than Abita • May or may not be applicable • Our preliminary design (all batch operated) • Carbon Capture Hood • Flame? (Perhaps) • Packed-Bed Absorber (Potassium Permanganate) • Condensers • Compressors

  11. Rough Process Flow Diagram

  12. Potential Market • Abita is the 14th largest craft brewery in America as of 2012 • One spot behind local brewery Dogfish head • Craft brewing is a growing sector • Currently 14.2% by dollars • 20% growth last year

  13. Market Competition • Some beers are carbonated naturally • Yeast is re-fed and some CO2 is released • Large plants usually collect fermented CO2 and reinject it • Small plants generally purchase liquefied CO2 and inject it towards the end of the brewing process • Hand pumped CO2 filters are sometimes used to inject CO2 into kegs

  14. Market Competition • Companies like GEA Brewery Systems offer turn-key installations for all parts of the brewing process, including CO2 capture • These systems are typically not used for batch breweries • The market is pretty wide open, but the path has yet to be blazed • Excited to work with Jamie Jurado on a solution to Abita’s carbonation needs

  15. Questions? We would like to answer any questions that you may have at this time

  16. References "ABITA BEER." ABITA BEER. Innovative Advertising, Llc, n.d. Web. 01 Apr. 2014. <https://abita.com/>. "Abita Root Beer." BeveragesDirect.com. Beverages Direct, 2013. Web. 02 Apr. 2014. <http://www.beveragesdirect.com/Abita-Root-Beer.aspx>. "Beer Brewing and Carbon Dioxide Recycling." Automation World. Summit Media Group, 2014. Web. 02 Apr. 2014. <http://www.automationworld.com/beer-brewing-and-carbon-dioxide-recycling>. "Malting and Brewing." » The Best Beer Process Flow Chart. Malting and Brewing, 2013. Web. 01 Apr. 2014. <http://maltingandbrewing.com/the-best-beer-process-flow-chart.html>. "Natural Carbonation vs. Forced Carbonation." »Thank Heaven for Beer 2013. Web. 01 Apr. 2014. <http://thankheavenforbeer.com/2010/03/22/natural-carbonation-vs-forced-carbonation/>. "Purafil - SP Media." Purafil - SP Media. Purafil, Inc., 2009. Web. 02 Apr. 2014. <http://www.purafil.com/products/media/sp_media.aspx>. "Top 50 Breweries of 2012." » Craft Brewers Association Malting and Brewing, 2013. Web. 01 Apr. 2014. <https://www.brewersassociation.org/pages/media/press-releases/show?title=brewers-association-releases-top-50-breweries-of-2012>.

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