摘要
实验室分离出耐盐微生物Aspergillus sp. HJ,在非灭菌条件下探究了印染废水中的共存污染物氯化钠、硫酸钠、十二烷基硫酸钠和Cr(Ⅵ)对Aspergillus sp. HJ菌丝球去除活性黑5(RB5)染料的影响,并建立了菌丝球鼓泡流化床反应器。实验结果表明:共存污染物均会不同程度地降低菌丝球对RB5的去除率和二级脱色动力学速率常数。连续15 d的菌丝球鼓泡流化床反应器运行结果表明,RB5去除率稳定在80%以上。菌丝球去除RB5的机理是生物吸附和生物富集。
The salt-tolerant microorganism Aspergillus sp.HJ isolated in laboratory has been used for the removal of Reactive Black 5(RB5)under non-sterile condition.The influence of the co-pollutants,including NaCl,Na2SO4,sod-ium dodecyl sulfate and Cr(Ⅵ),in dying&printing wastewater on Aspergillus sp.HJ mycelia pellets for the removal of RB5 have been investigated,and the mycelium pellet bubbling fluidized bed reactor established.The experimental results show that all the co-pollutants can decrease RB5 removing rates by mycelia pellets and second-order decolori-zation kinetic rate constants to varying degrees.The results of a 15-day continuous operation of mycelium pellet bubb-ling fluidized bed reactor show that the RB5 removing rate keeps at above 80%stably.The RB5 removing mechanism by mycelium pellets are biosorption and bioenrichment.
作者
黄建
刘东方
魏孝承
程寒飞
Huang Jian;Liu Dongfang;Wei Xiaocheng;Cheng Hanfei(Huatian Engineering&Technology Corporation of MCC,Nanjing 210019,China;College of Environmental Science and Engineering,Nankai University,Tianjin 300071,China)
出处
《工业水处理》
CAS
CSCD
北大核心
2018年第10期48-52,共5页
Industrial Water Treatment
