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

< A-level Chemistry‎ | OCR (Salters)

Exam-style description of froth flotationEdit

  • 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