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Separation

The separation processes carried out at Greenvit plants can be divided into two areas: the first is the process of separating the raw material from the extract, the second area is the separation of active substances contained in extracts from “ballast” substances (mainly sugars, naturally occurring in raw materials).

Separation areas

The separation processes carried out at Greenvit plants can be divided into two areas

  • Separation of raw material from the extract

    The first is the process of separating the raw material from the extract

  • Separation of active compounds from ballast substances

    The second area is the separation of active substances contained in extracts from “ballast” substances (mainly sugars, naturally occurring in raw materials)

  1. Separation of the raw material from the extract

    Separation of the raw material from the extract by means of bottom sieves and a strainer filter module (300 μm) – ensures preliminary clarification of the extract, catches small particles of the raw material (dust) which may be present in the raw material;

    300 µm
  2. Decanter

    Decanter – an alternative to sieves and a strainer filter module is a decanter (decanter centrifuge). In this case, the aqueous suspension of the raw material (extract including the raw material) is pumped directly to the decanter, which ensures maximum recovery of the extract;

    • Centrifugal force ~3150 xg allows maximum recovery of the extract from the raw material
    • Possibility of quality control of decantation using the “impeller” skinning disc
    • Possibility of obtaining the water content in spent raw material at a level below 50% (for comparison, after standard separation on bottom sieves, these values can reach up to 200%);
    ~3150 xg
  3. Filter press

    Filter press – used most often together with diatomaceous earth in order to reduce the turbidity of the extract as much as possible. The liquid (filtrate) after the press is clear.

    Clear filtrate
  4. Adsorption column module

    Adsorption column module – allows the separation of active compounds from ballast substances. The module consists of two columns and four tanks. The module is equipped with an absorbance sensor, density measurement, flowmeter.

    2 columns · 4 tanks
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