%0 Journal Article %A Sayed Reza Hashemi and Amir Heidarinasab %D 2012 %J International Journal of Biotechnology and Bioengineering %B World Academy of Science, Engineering and Technology %I Open Science Index 67, 2012 %T Spent Caustic Bioregeneration by using Thiobacillus denitrificans Bacteria %U https://publications.waset.org/pdf/2962 %V 67 %X Spent Sulfidic Caustic was biologically treated and regenerated for reusing by Thiobacillus denitrificans bacteria, sulfide content oxidized and RSNa reduced dramatically.PH in this test was 11.8 and no neutralization has been done on spent caustic, so spent caustic as the most difficult of industrial wastes to dispose could be regenerate and reuse instead of disposing to sea or deep wells %P 417 - 419