Match each industrial separation requirement on the left with the corresponding specialized separation technique employed in chemical industries on the right.
- Beneficiation and concentration of sulfide metal ores from solid impuritiesFroth flotation
- Removal of solid ash and smoke particles from industrial flue gasesElectrostatic precipitation
- Large-scale extraction of pure nitrogen and oxygen from atmospheric airFractional distillation of liquid air
- Refining high-boiling petroleum residue without causing thermal decompositionVacuum distillation
Cevap
The correct pairings link sulfide ore concentration with froth flotation, stack gas particle removal with electrostatic precipitation, atmospheric gas separation with fractional distillation of liquid air, and heavy oil refining without thermal cracking with vacuum distillation.
Each industrial process is accurately paired with its governing separation method: mineral beneficiation uses froth flotation, particulate air pollution control uses electrostatic precipitation, bulk atmospheric gas isolation uses liquid air fractional distillation, and heat-sensitive hydrocarbon refining uses vacuum distillation.
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Anahtar Kavram
Industrial separation techniques exploit distinct physical properties such as surface wettability, particle electrical charge, boiling points, and vapor pressure tailored for large-scale operations.