Example of absorption calculation
Mass transfer - Permanent contact operations

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J1077 V2 Article

Example of absorption calculation


Mass transfer - Permanent contact operations

Authors : Arnaud BUCH, Mohammed RAKIB, Moncef STAMBOULI

Publication date: March 10, 2008 | Lire en français

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3. Example of absorption calculation

A gas consisting of air and hydrogen sulfide H 2 S (in low concentration) is to be purified using a packed column. The operating conditions are as follows:

  • water flow: 10 m 3 · h –1 ;

  • gas flow (air): 100 m 3 · h –1 ;

  • the temperature is a constant 20 °C ;

  • the pressure is 100 kPa ;

  • we use a filling of 1.25 cm Raschig rings.

The objective is as follows:

  • reduce hydrogen sulfide concentration by a factor of...

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