Adsorption and decolorization of dyes by fungus and bacterium, and regeneration of the adsorption and decolorization capacity
真菌和细菌对染料的吸附脱色及再生能力的研究

Adsorption and decolorization of dyes by fungus and bacterium, and regeneration of the adsorption and decolorization capacity ware investigated in. The results showed that the fungus, Penicillium sp. G 1 adsorbed and eliminated azo dye PolyS 119 TM and anthraquinone dye C. I. Reactive violet 22 form solutions, and the adsorption rate increased with the increase of glucose concentration in the liquid medium of mycelium. Decoloriaztion and degradation of the adsorbed dyes ware implemented through co culturing dyes adsorpted mycelium with bacterium, and decolorization rate was influenced at certain extent by the concentration of glucose and nitrogen in medium. The liquid medium with 5g/L glucose and 20mmol/L ammonium tartrate showed the best effect in mycelium adsorption and decolorzation to the dyes. The mycelium could be repeatedly used for four times to treat the dye solution with 100?mg/L C. I. Reactive violet N R dye wastewater. 75.9% of decolorization and elimination of dyeing waste water was obtained by treatment with Penicillium sp G 1 for 3h. The dye adsorbed mycelium could be completely decolorized by coculturing with bacterium, and could be regenerated to treat dye wastewater one more time.