Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2014, Vol. 30 ›› Issue (18): 84-88.doi: 10.11924/j.issn.1000-6850.2013-2820

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Effect of Bacillus subtilis Immobilized by Sodium Alginate on Organic Phosphor Removal

  

  • Received:2013-10-29 Revised:2013-12-03 Online:2014-06-25 Published:2014-06-25

Abstract: To achieve optimal immobilized condition, Bacillus subtilis was immobilized by sodium alginate and calcium chloride. The optimal immobilized condition was explored through comparing the organophosphate removal efficiency of the immobilized bacteria with the non-immobilized ones. The results showed that, the highest organophosphate removal efficiency was achieved when the concentration of sodium alginate and CaCl2 was 4% and 3%, respectively, and the bacteria entrapment reached 2%, and the time of immobilization was 2 h. Compared with the non-immobilized cells, the immobilized ones have a high tolerance for the variation of temperature and pH value.