%0 Journal Article %T Anaerobic Degradation Kinetics of 2,4-Dinitrophenol
2,4-二硝基酚厌氧生物降解动力学研究 %A TANG Gai-feng %A SHE Zong-lian %A WU Mei-ling %A JIN Chun-ji %A
汤改风 %A 佘宗莲 %A 吴美玲 %A 金春姬 %J 环境科学 %D 2006 %I %X With glucose as co-substrate,anaerobic degradation kinetics of 2,4dinitrophenol(2,4-DNP) were investigated in batch culture.The results show that 2,4-DNP and glucose can be degraded by the bacteria simultaneously.Although the effect of COD on 2,4-DNP degradation was minimal,addition of 2,4-DNP effected COD degradation obviously.The rate of 2,4-DNP degradation increased with increasing initial 2,4-DNP concentrations up to 225(mg/L).Further increase in initial 2,4-DNP concentrations caused decrease in the rate of degradation because of substrate inhibition.Uncompetitive inhibition equation is proposed to describe the degradation of 2,4-DNP.With non-linear regression technology,the kinetic model parameter qmax,Ks and Ki are found to be 3.24(mg/(h·g),) 196.23(mg/L) and 165.91(mg/L) respectively.The experimental data verification for the model equation is satisfactory. %K 2 %K 4-dinitrophenol %K glucose %K anaerobic degradation kinetics %K inhibition %K co-substrate
2 %K 4-二硝基酚 %K 葡萄糖 %K 厌氧降解动力学 %K 抑制模型 %K 共基质 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=3FF3ABA7486768130C3FF830376F43B398E0C97F0FF2DD53&cid=A7CA601309F5FED03C078BCE383971DC&jid=64CD0AA99DD39F69401C615B85F123EF&aid=CD42E0C4CB3FF7CB&yid=37904DC365DD7266&vid=DB817633AA4F79B9&iid=5D311CA918CA9A03&sid=0DDE48E4C6ED47B1&eid=ECF40C1D1FB7C43B&journal_id=0250-3301&journal_name=环境科学&referenced_num=2&reference_num=8