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Silver Filtration

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Sorptive Filter Element

“Silver Filtration” is a sorptive filter element based on granular activated cocoa carbon impregnated with 0.4% silver. It is designed for effective adsorption and improvement of the organoleptic properties of liquids, including smell, taste, softness, and overall sensory quality. The EPSF.UAg0.4 filter element is designed as a carbon-filled “minicolumn.” The space between the outer shell and the inner core is filled with activated carbon. Liquid enters through the lower opening of the outer shell, passes through the carbon bed, and is discharged through the upper opening of the inner core. The construction of the element takes into account the swelling characteristics of the activated carbon during operation, preventing channel formation and ensuring uniform contact between the liquid and carbon, even at high flow rates.

Activated Carbon


The carbon used in Silver Filtration elements has the following characteristics:
  • Type: Granular activated cocoa carbon
  • Hardness: >97%
  • Specific surface area: >1,000 m²/g
  • Silver impregnation: 0.4%
  • Carbon density: Approximately 0.5 g/cm³
  • Silver migration: The impregnation technology is designed to prevent migration of silver into the filtrate.

Standard Filter Element Specifications


The standard EPSF.UAg0.4 Silver Filtration element has:


Parameter Specification
Height 250 mm
Outer diameter 70 mm
Inner diameter 26 mm
Activated carbon filling Approx. 300 g
Carbon density Approx. 0.5 g/cm³
Silver impregnation 0.4%

Key Benefits


Silver Filtration provides:
  • Improvement of smell
  • Improvement of taste
  • Increased softness and smoothness
  • Effective adsorption of undesirable compounds
  • Uniform liquid-to-carbon contact
  • Stable filtration performance at high flow rates
  • Reduced risk of channeling during operation

Main Application Benefit


Silver Filtration improves the organoleptic characteristics of the treated liquid, delivering a cleaner smell, improved taste, and greater softness.