In situ probing of microbial activity within anammox granular biomass with microelectrodes.
作者： Yongtao Lv , Kai Ju , Lei Wang , Ting Sun , Rui Miao
DOI: 10.1016/J.JBIOSC.2015.08.015
关键词:
摘要: An anaerobic rotating biological contactor was fed with inorganic synthetic wastewater for anammox. Besides biofilm, granular biomass average diameter of approximately 5 mm formed. NH4(+), NO2(-), NO3(-) and pH microelectrodes were used to probe microbial activity in situ within the granules. At a sufficient substrate concentration, anammox reaction observed upper layer granules, most active zone found be surface 200-400 μm. The increased increasing maximum ammonium consumption rate 83.3 μmol cm(-3) h(-1) obtained at an concentration 1000 L(-1). Under ammonium-limited condition, denitrification inner layer, limited 700-1000 This study revealed that bacteria coexisted
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