Table 8 Durability of adsorbent material for unmodified and modified AFW.

From: Removal of acid and basic dyes from textile wastewater using modified acrylic fibres waste as an efficient adsorbent

Number of uses

Removal efficiency % of MB

Unmodified

AFW with Na-ethoxide

1 time

10.54388

88.03333

2 time

10.54388

72.97309

3 time

4.961727

64.39176

4 time

4.961727

52.12045

5 time

4.708578

47.40071

6 time

4.494045

47.40071

  1. Conditions of treatment: 1 M Na-ethoxide, 95 °C, 1 h.
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