Discoloration of reactive red X-3B,a dye,induced by pyruvate under UV irradiation was preliminarily investigated.The effects of pH value,initial concentration of sodium pyruvate and dye,and adscititious Fe(Ⅲ) were di...Discoloration of reactive red X-3B,a dye,induced by pyruvate under UV irradiation was preliminarily investigated.The effects of pH value,initial concentration of sodium pyruvate and dye,and adscititious Fe(Ⅲ) were discussed in detail.The reaction mechanism was preliminarily studied.The result showed that reactive red X-3B solution containing pyruvate could be discoloured by UV irradiation.Under the experimental condition,the apparent kinetic equation of reactive red X-3B was-dc/dt=0.11+0.0017C_P.The initial concentration of pyruvate was the main factor influencing the discoloration efficiency of reactive red X-3B.展开更多
分离得到1株对染料活性艳红X-3B具有高效降解作用的菌株,经生理生化鉴定结合16S r DNA分析鉴定为希瓦氏菌属,命名为Shewanella sp.3Y。将该菌固定到活性炭上构建了生物活性炭小试装置,用其处理染料活性艳红X-3B及与其结构类似的7种活性...分离得到1株对染料活性艳红X-3B具有高效降解作用的菌株,经生理生化鉴定结合16S r DNA分析鉴定为希瓦氏菌属,命名为Shewanella sp.3Y。将该菌固定到活性炭上构建了生物活性炭小试装置,用其处理染料活性艳红X-3B及与其结构类似的7种活性染料模拟废水时,水力停留时间2 h,对模拟染料废水COD去除率均在90%以上,对色度去除率在70%以上,大部分达到90%以上,而对UV_(254)的去除率差异较大。展开更多
文摘Discoloration of reactive red X-3B,a dye,induced by pyruvate under UV irradiation was preliminarily investigated.The effects of pH value,initial concentration of sodium pyruvate and dye,and adscititious Fe(Ⅲ) were discussed in detail.The reaction mechanism was preliminarily studied.The result showed that reactive red X-3B solution containing pyruvate could be discoloured by UV irradiation.Under the experimental condition,the apparent kinetic equation of reactive red X-3B was-dc/dt=0.11+0.0017C_P.The initial concentration of pyruvate was the main factor influencing the discoloration efficiency of reactive red X-3B.
文摘分离得到1株对染料活性艳红X-3B具有高效降解作用的菌株,经生理生化鉴定结合16S r DNA分析鉴定为希瓦氏菌属,命名为Shewanella sp.3Y。将该菌固定到活性炭上构建了生物活性炭小试装置,用其处理染料活性艳红X-3B及与其结构类似的7种活性染料模拟废水时,水力停留时间2 h,对模拟染料废水COD去除率均在90%以上,对色度去除率在70%以上,大部分达到90%以上,而对UV_(254)的去除率差异较大。
