To achieve lower dissolved oxygen pickup, this technology typically requires deaerated water and/or carbon dioxide. Older top-fed, hydro-hermetic centrifuges are still very popular in Brewery applications, but their design dates to the mid-20th century and feature a water seal. The technology differences can also have a significant impact on the yield, and therefore the sustainability impact of your process. Product quality is important to all of us, so itвЂ™s important to know how different kinds of hermetic designs affect dissolved oxygen pickup, temperature pickup, and retention of volatile oils, aromatics and flavors. Manufacturers may say their separator or centrifuge is вЂњhermeticвЂќ, but not all centrifuges are created equal. Improve Yields without Compromising Quality You donвЂ™t need to run your glycol as much, thereby either consuming less electricity or using your glycol refrigeration system more efficiently. This means you can turn your tanks faster and naturally increase your production capacity (by 20% in some cases) without adding additional tanks. Whereas gravity imparts 1 G of force on the particles in your beer, a centrifuge can impart 5,000-10,000 GвЂ™s in an instant. With a centrifuge, once you determine the beer is ready, you donвЂ™t have to wait any additional settling time. Even after the beer reached final temperature, you still might wait days for additional solids to fall out of suspension. out of beer you would wait until fermentation has completed, turn the glycol down, and wait for time, temperature and gravity to settle solids out of the beer. Historically, to get solids like yeast, hops, etc. We use this knowledge to address inefficiencies upstream and minimize the waste sent to municipal treatment. This provides us a unique perspective on how breweries impact these facilities.

This impact can be significant over time and the beneficial use of the by-products is lost when sent to the treatment plant.ДЄlfa Laval has extensive process and equipment experience in wastewater treatment. When using a centrifuge, the solids ejected from the machine can be side-streamed and sent to a farm as cattle feed be land-applied as fertilizer or otherwise diverted from downstream wastewater treatment that consumes additional resources, time, and utilities. However, itвЂ™s not just beer youвЂ™re putting to drain, itвЂ™s also all that spent yeast, hops, proteins and other solids that must be processed and transported away from the wastewater treatment plant. Reduce Wastewater Treatment DemandД«y recovering beer and not putting it to drain means it is also not being processed at a downstream wastewater treatment plant. A centrifuge uses centrifugal force to immediately separate solids from liquid, and many modern centrifuge technologies are available for Brewery applications specifically designed to maximize yield and have minimal impact on beer quality. Using a centrifuge to separate solids from beer is the fastest way to increase yields and reduce losses. These solids impart desirable aromas and flavors, but also absorb beer and are difficult to process without a separation/filtration step. include the addition of copious amounts of solids into the fermenter. Modern styles like IPAвЂ™s, fruited sours, flavored stouts, etc. The biggest source of brewery waste is dumping tank bottoms to drain post-fermentation. Reducing inefficiencies by getting more beer in the keg, bottle or can means less waste and more profit! Beer that is lost to the drain is a waste of ingredients, labor, time, and utilities as well as the lost revenue from sales. One immediate way to improve sustainability is by addressing inefficiencies in the brewery process.

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