1) очистка
2) пищ. веечный процесс, очистка на ситовейках; обогащение крупок
3) ректификация (в производстве спирта)
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- biological purification
- centrifugal purification
- chemical purification
- coarse purification
- cryogenic purification
- data purification
- diatomite water purification
- divided-flow purification
- electrochemical purification
- final purification
- gas purification
- mechanical purification
- natural purification
- oxide purification
- primary purification
- sewage purification
- water purification
- wet-gas purification
- zone-melting purification
- zone purification