A. E.-A. A. SAID ET AL.
Copyright © 2013 SciRes. JWARP
17
that reactive yellow 2 is well described by a pseudo-first
order whereas reactive blue 4 fits good for pseudo-second
order. Modified bagasse can be reused by desorption of
both dyes in the pH = 12 and higher. The hydroxyl and
carboxylic groups from bagasse and propionic acid re-
spectively enhance the removal of both reactive dyes.
5. Acknowledgements
The authors would like to thank the financial supports
from the Science and Technology for Development Fund,
STDF, Ministry of Higher Education, Egypt.
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