Gentle filtration for premium beverages, flavors and food ingredients
Seitz® ZD Pure Cellulose Depth Filter Sheets consist of highly fibrillated pure cellulose (produced without the use of any inorganic material such as diatomaceous earth (DE) or perlite. No ion release means the media offer very gentle filtration for premium and quality beverages from coarse to microbiological reduction. Available without slit, pre-folded, carton box packaging (Orion Type Filter Press) or with slit, pre-folded, carton box packaging (Niro Type Filter Press). Other formats are available on request.
Regeneration
The service life of the Seitz ZD media is at least on the same level as classical DE sheets. If the regeneration process is possible, it can exceed the classical DE sheet by at least 20 percent.
Nominal OD (Metric)
15.47 cm
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Microorganism reduction and yeast removal in beverages like wine, beer, juices, and liquid food, filtration of juices and juice concentrate prior to membrane filtration, microorganism reduction in sugar syrups, and microorganism reduction in enzyme solutions
Polishing filtration of wine, polishing filtration of beer, haze removal in beverages and polishing filtration of olive oil to remove trace water
The lower colloidal retention of Seitz ZD Sheets helps to preserve wine components that are important for high-quality wines' mouth-feel. (For wines with very high colloidal content, it is recommended to use DE sheets as a prefilter before membrane filters to avoid accidental colloidal membrane clogging).
Beer filtration
Seitz ZD media adsorbs fewer valuable beer ingredients such as hop oils (monoterpenes and sesquiterpenes) and bitterns. Color stripping is also much lower. The ion release of iron, arsenic, lead, aluminum and other critical heavy metals is reduced to a minimum. Additionally, cellulose sheet filters show a reduced risk for mold growth. The pure cellulose matrix allows the reduction of drip losses by 90 percent or more.
