| 
      
        |   No. of unimmobilized loofa | Textile mill effluent  (pH 10.5) |  
        | OD after 24hrs (650nm) | % Ads. | OD after  48 hrs (650nm) | % Ads. |  
        | Control | 2.076 | 00 | 2.076 | 00 |  
        | 2 | 2.053 | 1.10 | 2.049 | 1.3 |  
        | 3 | 2.045 | 1.49 | 2.039 | 1.78 |  
        | 4 | 2.012 | 3.08 | 1.993 | 3.99 |  
        | 5 | 1.967 | 5.25 | 1.955 | 5.82 |  
        | 6 | 1.935 | 6.79 | 1.920 | 7.51 |  
        | 8 | 1.886 | 9.15 | 1.863 | 10.26 |  |