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不同容积负荷下培养好氧颗粒污泥的CSTR反应器运行效能的研究

Operational Performance of Aerobic Granule Sludge in a Continuous-flow CSTR Reactor under Different Volumetric Organic Loading Rates
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摘要 在连续流完全混合反应器(CSTR)中,采用不同进水方式,在沉淀时间为1.5 h,容积负荷分别为1、1.5、2、3、4 kgCODCr./(m3.d)时,对好氧颗粒污泥反应器的运行效能进行了试验研究。研究结果表明,采用重力流进水方式的反应器运行效能优;在沉淀时间为1.5 h时,两反应器对污染物的去除负荷随容积负荷的上升而上升;在沉淀时间为1.5 h、有机负荷为1.5 kg CODCr/(m3.d)的条件下,两反应器对CODCr、TP、NH4+-N的去除率可达到最高。 The laboratory-scale study was carried out on the operational performance of aerobic granule sludge in a continuous-flow completely stirred tank reactor(CSTR) when the settling time was 1.5 h and the volumetric organic loading rate was 1,1.5,2,3,4 kgCODCr/(m3.d) by using different influent patterns.The results showed that the operational performance of the reactor with gravity flow was excellent;the removal profile of volumetric organic loading rate increased with the increasing of volumetric organic loading rate in both reactors when the settling time was 1.5 h;the highest removal profile of CODCr,TP,NH4+-N in both reactors could be obtained when the settling time was 1.5 h and the volumetric organic loading rate was 1.5 kgCODCr /(m3.d).
出处 《苏州科技学院学报(工程技术版)》 CAS 2009年第3期5-8,共4页 Journal of Suzhou University of Science and Technology (Engineering and Technology)
基金 国家自然科学基金(50678107) 江苏省高校自然科学研究重点项目(06KJA61020)
关键词 完全混合反应器 好氧颗粒污泥 运行效能 容积负荷 completely stirred tank reactor aerobic granule sludge operational performance volumetric organic loading rate
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