国产轻质球型陶粒用于曝气生物滤池的研究

国产轻质球型陶粒用于曝气生物滤池的研究文章编号:025322468(2002)20420459206中图分类号:X70113文献标识码:A国产轻质球型陶粒用于曝气生物滤池的研究江萍1,胡九成2(11广州大学市政与环境工程系,广州510405;21南昌大学环境与化学工程学院)摘要:对国产轻质球型陶粒的理化性能及应用于曝气生物滤池(BAF)处理生活污水的效果进行了系统研究.结果表明,国产轻质球型陶粒固着微生物量大,挂膜快,寿命长,充氧能力强.用于处理生活污水,BOD去除率达90%,NH32N去除率80%,BOD负荷6—10kg(BOD)Π(m3·d),适用于作BAF的微生物载体.研究确定了COD去除率与填料高度的关系式、反应动力学方程和BAF的工艺条件.关键词:轻质球型陶粒;曝气生物滤池;充氧能力;动力学ResearchonthehomemadelightgranularceramicsusedinBAFJIANGPing1,HUJiucheng2(11CivilandEnvironmentalEngineeringDepartment,GuangzhouUniversity,Guangzhou510405;212EnvironmentalandChemicalEngineeringInstitute,NanchangUniversity,Nanchang330029)Abstract:Thephysicalandchemicalpropertiesofhomemadelightgranularceramicsandtheeffectsofthedomesticseweragetreatmentbybio2logicalaeratedfilter(BAF)werestudied.Therewasagreatdealofsessilemicrobeonthesurfaceoftheceramics.Theceramicshavesomeadvantages:fastmembraneformation,longliveandgoodoxygen2chargingcapacity.Whentheceramicswereusedinthetreatmentofdomesticsewerage,theremovalofBOD,theremovalofNH32NandtheBODl