Process materials (gases and chemicals)

Which devices are installed in piping to remove trace impurities and particles from gases just before they are supplied to equipment?

  1. AVacuum pumps
  2. BGas purifiers and gas filters
  3. CHeaters
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Answer: B. Gas purifiers and gas filters

Gases can contain trace impurities such as moisture and oxygen, as well as particles, picked up in cylinders and piping. Purifiers and filters installed just before the equipment remove them, maintaining the purity of process gases.

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