A-level Chemistry/OCR (Salters)/Froth flotation

From Wikibooks, open books for an open world
Jump to navigation Jump to search

Exam-style description of froth flotation[edit]

  • grains are given water repellent coating
  • air and detergent cause the solution to froth
  • ore grains are / metal is concentrated in the froth
  • ore grains are scooped off with the froth