Transcription of Chapter 5 Absorption and Stripping
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Chapter 5 Absorption and Stripping
5-1 Chapter 5 Absorption and Stripping Introduction In Absorption (also called gas Absorption , gas scrubbing, or gas washing), there is a transfer of one or more species from the gas phase to a liquid solvent. The species transferred to the liquid phase are referred to as solutes or absorbate. Absorption involves no change in the chemical species present in the system. Absorption is used to separate gas mixtures, remove impurities, or recover valuable chemicals. The operation of removing the absorbed solute from the solvent is called Stripping . Absorbers are normally used with strippers to permit regeneration (or recovery) and recycling of the absorbent.
Chapter 5 Absorption and Stripping 5.1 Introduction In absorption (also called gas absorption , gas scrubbing , or gas washing ), there is a transfer ... supply the energy of vaporization needed to strip the water. This energy is greater than the ... material balance for the top part of the column is YA t, = L V A t, X + A A LX Y
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