| Name of the Separator |
Property followed |
Uses |
| Vibratory separator |
Shape and surface texture |
Removal of weed seeds |
| Spiral separator |
Shape or the degree of its ability to roll |
Separation of damaged/flat and wrinkled seeds from smooth seeds. Separation of mustard, rape, soybean and peas from wheat, flax, oats, etc., and round seeds from flat seeds. |
| Disk / Indented cylinder separator |
Length |
Dissimilar material like wheat, rye, mustard, barley from oats |
| Electrostatic separator |
Electrical property |
Johnson grass from sesame seed |
| Electronic colour sorters |
Colour / brightness |
Separation of off coloured seeds |
| Inclined draper |
Shape and surface texture |
Separation of smooth or round seeds from rough flat or elongated seeds |
| Magnetic separator |
Surface texture and stickiness |
Removal of contaminating weed seed from clovers, alfalfa seeds and iron metals |
| Roll mill |
Shape and surface texture |
Separation of smooth clover seed |
| Gravity separator or Destoner |
Density or specific gravity |
Removal of badly damaged, deteriorated, insect damaged crop seed and stones from good seeds. |
