吉林大学学报(地球科学版) ›› 2015, Vol. 45 ›› Issue (1): 247-254.doi: 10.13278/j.cnki.jjuese.201501207
宋志伟1, 王秋旭1, 宁婷婷1, 任南琪2, 李立欣1
Song Zhiwei1, Wang Qiuxu1, Ning Tingting1, Ren Nanqi2, Li Lixin1
摘要:
为提高好氧污泥颗粒化速度, 采用微生物絮凝剂, 探讨在好氧颗粒污泥培养过程中微生物絮凝剂的投加方式对颗粒污泥理化性能及生物降解效能的影响。结果表明:微生物絮凝剂每隔2、3、5、7 d投加一次时, 均可培养出成熟的好氧颗粒污泥, 微生物絮凝剂的投加方式对好氧污泥颗粒化的影响较显著;微生物絮凝剂最佳投加方式为每5天投加一次, 此时颗粒化速度快, 颗粒形成时间由未投加的60 d缩短为42 d, 好氧颗粒污泥疏水性好, 污泥体积指数稳定在40 mL/g左右, 沉降速度达35.06 m/h, COD、氨氮和总磷的去除率分别为96.55%、93.29%和87.29%。
中图分类号:
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