21 CHEMICALS KNOWLEDGE HUB Issue 1 / July 2025 over the stabilisation parameters, enhancing the efficiency and effectiveness of the stabilisation process when using Seplife K602FF/CSS3.0. The resin is permanently retained between an inlet and an outlet screen and filtered, unstabilised beer flows through the CSS module. This system has reduced environmental impact due to the small mixed phase volumes and low consumption of water and CIP solution. From an economic point of view, the CSS system due to its module design is characterised by comparatively low investment costs, while the Seplife K602FF/CSS3.0 filling the module is employed for more than 1,000 cycles, without any loss or mechanical damage. At the end of life, the resin is removed from the CSS module and replaced by a fresh one. In comparison, the PVPP is added in 20 to 50g/l and can be regenerated when beer processing exceeds 200,000 hl/year. However, each cycle results in up Stability to sanitisation is another key characteristic of the resin; its stability to 85ºC temperature for 720 hours without change in performance is shown in Figure 4. The total polyphenol content in beer was measured using the Analytica-EBC Method 9.11 Total polyphenols in beer by spectrophotometry. From a regulatory point of view, Seplife K602FF/ CSS3.0 is compliant with Regulation (EC) No 1935/2004 for food-contact materials, ensuring safety and reliability during use. Importantly, Seplife K602FF/CSS3.0 is compatible with the Handtmann Controlled Stabilisation System (CSS). This compatibility extends to different brewing processes, making it suitable for various beer styles and formulations. The typical CSS radial flow columns packed with Seplife K602FF/CSS3.0 are available for installations from 20 hl/h up to 1000 hl/h. Figures 5 and 6 show examples of CSS systems installed and operational at specified breweries. Typically, CSS consists of one or several modules completely filled with the resin and run in a fullyautomated mode, allowing for precise control Figure 5. CSS 200 hl/h German Brewery. Figure 6. CSS 3x 300 hl Contiflow Australian Brewery. Figure 4. Effect of sanitization time at 85ºC on the polyphenol removal from commercially available Snow beer. Figure 3. Representation of the polyphenol removal from commercial Snow beer during forced ageing test including CIP with 1M NaOH. SUNRESIN
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