beer filtration


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Despite the first barley based beer being brewed 5400 years ago, filtration is a relatively new technique in the art and science of brewing. The first industrial beer filter was introduced in 1878 by German developer Lorenze Adelbert Enzinger. This Bavarian man designed a device that consisted of multiple iron plates that used paper sheets as a filter medium. These sheets had to be replaced after each filtration. Shortly after the patent of this filter, Enzinger formed a company to produce and sell his design, and was able to sell 1000 filters within a span of 8 years. The first filter capable of sterile filtration was developed in 1913 by the German chemist Friedrich Schmitthenner while working for Seitz works. In 1982 Enzinger merged with Seitz to form what is now KHS, an international manufacturer of filling and packaging equipment. (Dornbusch, 2011) Today filtration is common practice in many breweries, and is used to remove solids, increase shelf life, and improve stability of beer. If beer filtration is performed incorrectly it can negatively impact a beers flavor and stability.

5400๋…„ ์ „์— ์ตœ์ดˆ์˜ ๋ณด๋ฆฌ ๋งฅ์ฃผ๊ฐ€ ์–‘์กฐ๋˜์—ˆ์ง€๋งŒ, ์—ฌ๊ณผ ๊ธฐ์ˆ ์€ ์–‘์กฐ ๊ธฐ์ˆ ๊ณผ ๊ณผํ•™์—์„œ ๋น„๊ต์  ์ƒˆ๋กœ์šด ๊ธฐ์ˆ ์ž…๋‹ˆ๋‹ค. ์ตœ์ดˆ์˜ ์‚ฐ์—…์šฉ ๋งฅ์ฃผ ํ•„ํ„ฐ๋Š” 1878๋…„ ๋…์ผ ๊ฐœ๋ฐœ์ž ๋กœ๋ Œ์ธ  ์•„๋ธ๋ฒ ๋ฅดํŠธ ์—”์ง•๊ฑฐ๊ฐ€ ๊ฐœ๋ฐœํ–ˆ์Šต๋‹ˆ๋‹ค. ์ด ๋ฐ”์ด์—๋ฅธ ์‚ฌ๋žŒ์€ ์ข…์ด ์‹œํŠธ๋ฅผ ํ•„ํ„ฐ ๋งค์ฒด๋กœ ์‚ฌ์šฉํ•˜๋Š” ์—ฌ๋Ÿฌ ๊ฐœ์˜ ์ฒ ํŒ์œผ๋กœ ๊ตฌ์„ฑ๋œ ์žฅ์น˜๋ฅผ ์„ค๊ณ„ํ–ˆ์Šต๋‹ˆ๋‹ค. ์ด ์‹œํŠธ๋Š” ์—ฌ๊ณผํ•  ๋•Œ๋งˆ๋‹ค ๊ต์ฒดํ•ด์•ผ ํ–ˆ์Šต๋‹ˆ๋‹ค. ์ด ํ•„ํ„ฐ์˜ ํŠนํ—ˆ๋ฅผ ๋ฐ›์€ ์งํ›„ ์—”์ง•๊ฑฐ๋Š” ์ž์‹ ์˜ ๋””์ž์ธ์„ ์ƒ์‚ฐํ•˜๊ณ  ํŒ๋งคํ•˜๋Š” ํšŒ์‚ฌ๋ฅผ ์„ค๋ฆฝํ•˜์—ฌ 8๋…„ ๋™์•ˆ 1,000๊ฐœ์˜ ํ•„ํ„ฐ๋ฅผ ํŒ๋งคํ•  ์ˆ˜ ์žˆ์—ˆ์Šต๋‹ˆ๋‹ค. ๋ฉธ๊ท  ์—ฌ๊ณผ๊ฐ€ ๊ฐ€๋Šฅํ•œ ์ตœ์ดˆ์˜ ํ•„ํ„ฐ๋Š” 1913๋…„ ๋…์ผ์˜ ํ™”ํ•™์ž ํ”„๋ฆฌ๋“œ๋ฆฌํžˆ ์Šˆ๋ฏธํ…๋„ˆ(Friedrich Schmitthenner)๊ฐ€ ์ž์ด์ธ (Seitz)์‚ฌ์—์„œ ๊ทผ๋ฌดํ•˜๋˜ ์ค‘ ๊ฐœ๋ฐœํ–ˆ์Šต๋‹ˆ๋‹ค. 1982๋…„ ์—”์ง•๊ฑฐ๋Š” ์„ธ์ด์ธ ์™€ ํ•ฉ๋ณ‘ํ•˜์—ฌ ๊ตญ์ œ์ ์ธ ์ถฉ์ง„ ๋ฐ ํฌ์žฅ ์žฅ๋น„ ์ œ์กฐ์—…์ฒด์ธ ์ง€๊ธˆ์˜ KHS๋ฅผ ์„ค๋ฆฝํ–ˆ์Šต๋‹ˆ๋‹ค. (๋„๋ฅธ๋ถ€์‰ฌ, 2011) ์˜ค๋Š˜๋‚  ์—ฌ๊ณผ๋Š” ๋งŽ์€ ์–‘์กฐ์žฅ์—์„œ ์ผ๋ฐ˜์ ์ธ ๊ด€ํ–‰์ด๋ฉฐ ๊ณ ํ˜•๋ฌผ์„ ์ œ๊ฑฐํ•˜๊ณ  ์œ ํ†ต ๊ธฐํ•œ์„ ๋Š˜๋ฆฌ๋ฉฐ ๋งฅ์ฃผ์˜ ์•ˆ์ •์„ฑ์„ ๊ฐœ์„ ํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค. ๋งฅ์ฃผ ์—ฌ๊ณผ๊ฐ€ ์ž˜๋ชป ์ˆ˜ํ–‰๋˜๋ฉด ๋งฅ์ฃผ์˜ ํ’๋ฏธ์™€ ์•ˆ์ •์„ฑ์— ๋ถ€์ •์ ์ธ ์˜ํ–ฅ์„ ๋ฏธ์น  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

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