生物反应器填埋场场内脱氮机理小试研究-环境科学学报.PDF

26 3 Vol. 26, No. 3 2006 3 A cta Scientiae Circum stantiae M ar. , 2006 , , . 2006. [ J]. , 26( 3) : 472- 476 L iu H C, S en D S, Long Y. 2006. A prelmi inary study on t em ec anism of nitrogen rem oval in a laboratoryscale bioreactor landfill[ J]. A cta Scientiae C ircum stantiae, 26( 3) : 472- 476 1, 2 2, * 2 刘海春 , 沈东升 , 龙 焰 1. 青海大学生物科学系, 西宁 810016 2. 浙江大学环境与资源学院, 杭州 310029 : : : : , , , ; , , . , , 1~ 3; 90% , . : ; ; ; ; : 2006) : X705 : A A prelim inary study on themechanism of nitrogen removal in a laboratoryscale bioreactor landfill 1, 2 2, * 2 LIU H aic un , SHEN Dongs eng , LONG Yan 1. Biology Departm ent, Q ing aiUniversity, X ining 810016 2. Env ironm ent andR esource College, Z ejiang University, H angz ou 310029 Received 15 June 2005; received in revised form 9 January 2006; accepted 13 January 2006 Abstract: T e c aracteristics and t e m ec anism of nitrogen rem oval in a leac ate recirculation biological reactor landfill system asw ell as in a nitrogen rem ova l bioreactor landfill system ave been studied by laboratory smi ulation expermi ents. T e results t at t e biological environm ent provided in t e nitrogen rem oval bioreactor landfill ism ore conducive for denitrify ing bacteria grow t , and propagationw ere t e denitrifying bacteria population is awl ays + 1~ 3 orders ofm agnitude ig er t an in t e leac ate recirculation bioreactor landfill. And t eNH N rem oval rate can reac about 90% . 4 Keywords: bioreactor; landfil;l leac ate recirculation; denitrifying bacteria; nitro