Decolorization of anthraquinone dye with immobilized Penicillium jensenii.
Cells of Penicillium jensenii were immobilized by entrapment in natural and synthetic polymeric matrices. The decolorization of Reactive Brilliant Blue KN-R by immobilized cells has been studied. It was found that CA-immobilized cells could effectively decolorize reactive brilliant blue KN-R. Many factors affecting the decolorization process were studied, including: pH, temperature, dye concentration, shaker speed and culture time. The reusability of the immobilized cells was evaluated with repeated-batch decolorization experiments. The optimum pH, temperature, shaker speed and culture time of decolorization with CA-, CGN-, and PAA- immobilized cells are 4.0 and 30 degrees C and 150r/min and 48hr respectively, dye concentration could have some effects on decolorization. After four repeated experiments, the decolorization rate of CA-, CGN-, and PAA- immobilized cells could still remain 73.6%, 60.8%, 50.5%, respectively.
Dong
Xinjiao
X
School of Science of Life & Environment, Wenzhou Normal College, China. xjdong@mail.wzptt.zj.cn
D000180:Acrylic Resins; D000464:Alginates; D000880:Anthraquinones / Q000378:metabolism*; D001673:Biodegradation, Environmental; D002351:Carrageenan; D004396:Coloring Agents / Q000378:metabolism*; D020723:Glucuronic Acid; D006603:Hexuronic Acids; D006863:Hydrogen-Ion Concentration; D010407:Penicillium / Q000378:metabolism*; D013696:Temperature; D014865:Waste Disposal, Fluid / Q000379:methods*; D018508:Water Purification / Q000379:methods*; D000099166:Polyacrylamides
D000180:Acrylic Resins; D000464:Alginates; D000880:Anthraquinones; D002351:Carrageenan; D004396:Coloring Agents; D020723:Glucuronic Acid; D006603:Hexuronic Acids; D000099166:Polyacrylamides