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Posted: **Tue May 17, 2022 9:36 am**

: Benzene In Wastewater At A Temperature Of 25 C And A Concentration Of 50 Ug L Is To Be Reduced To 5 Ug L In An Air Stri 1 (49.4 KiB) Viewed 83 times

: Benzene In Wastewater At A Temperature Of 25 C And A Concentration Of 50 Ug L Is To Be Reduced To 5 Ug L In An Air Stri 2 (69.09 KiB) Viewed 83 times

: Benzene In Wastewater At A Temperature Of 25 C And A Concentration Of 50 Ug L Is To Be Reduced To 5 Ug L In An Air Stri 3 (69.09 KiB) Viewed 83 times

Benzene in wastewater at a temperature of 25 °C and a concentration of 50 ug/L is to be reduced to 5 ug/L in an air stripping tower. The following data have been obtained from tests at 20°C. Time, sec wastewater conc, ug/L 0 0 20 3.5 40 15.1 60 26.9 80 38.0 100 41.1 2 0.01% 0.2099 - Ins-Ct/cs-Co) 100 20 20 120 40 05 Time, secs Other known data: L = 75 m/ m.hr H130

60 26.9 80 38.0 100 41.1 N y=0.0187x -0.2099 1.5 1 1 -In(Cs-Ct/Cs-Co) 0.5 20 40 60 80 100 120 -0.5 Time, secs Other known data: L = 75 m3/m2 - hr Hu = 0.130 G = 2400 m3/m2 - hr Calculate the required height of the stripping tower in meters.