CROSSFLOW FILTRATION

CROSSFLOW FILTRATION

In a classic filtration the liquid filtrate passes through the filter surface only in a perpendicular way.

In a crossflow filtration, where the filter-surface is a semi-permeable membrane, the liquid passes through the membrane and also across the membrane and thus keeps it clean of residues.

According to the size of the membrane’s pore size this can be referred to as microfiltration, ultrafiltration, nanofiltration or reverse osmosis.

Main Features

•  Continuous  running   24h filtering cycles

•  Reduced labour automatic system

•  Constant flow rateguarantee on  processed volumes

•  Operational reliabilityoperator mistakes are avoided

•  Saving in production costs clarifying substances and filtering aids not required

•  No more waiting for clarification quicker tank turnover (fewer tanks)

•  Integral product recovery   – lowest unfiltered volumes (0,2% of total volume)

•  Saving in energy  0,09 kW/100L of filtered product

•  Low pollution – just cold water for cleaning

•  Economic – 0,0018 €/L of filtrate

Applications

Single filtration step of raw products

Production of wines with sugar residue

Prevention of malolactic fermentation

Improvement of the tartaric stability

Filtration of sparkling wines

Recovering of second pressings

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Crossflow filters

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