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Química Nova  2011 

Remo??o de corante por uso de Aspergillus niger AN400 em reator em bateladas sequenciais

DOI: 10.1590/S0100-40422011000700003

Keywords: aspergillus niger, sequential batch, congo red.

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Abstract:

a sequential batch reactor (4 l) inoculated with aspergillus niger was operated in order to remove congo red dye (10 mg l-1). the feeding of the reactor was done to each 7 days. the glucose was added in the concentration of 1 g.l-1 (stage i) and 0.5 g l-1 (stage ii). the stage iii occurred without glucose addition. the stage i was great to process, because the system reached the greater dye removal (95%) as well as the kinetic parameters ware the best - km (0.7 g l-1) and k1 (0.025 h-1).

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