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Industrial Gases
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Carbon Dioxide

Carbon-di-Oxide is normally recovered for industrial purposes from flue gases or as a by-product of ammonia or hydrogen production. It is unusual in that it only exists as a liquid under pressure and normally sublimes as a gas straight from its solid form.

Like a number of other gases, carbon dioxide's inert qualities make it useful for preventing or suppressing combustion or oxidization. Its major use, however, is as a refrigerant or cooling agent. Solid carbon dioxide at -80°C is, like liquid nitrogen, used for chilling and freezing in the food industry.

Applications
  • Food freezing, chilling and refrigeration
  • Fire suppression
  • Alkali neutralization, waste treatment
  • Mould setting
  • Inert gas pressurisation
  • Beverage carbonation
  • Tobacco expansion
  • Oil well recovery
  • Plant growth
  • Carrier gas for deodorants, odorants, pesticides and the like
  • Breathing stimulant