CAST+A工艺的污泥减量及除污效能研究

来源 :中国给水排水 | 被引量 : 2次 | 上传用户:qqq1254
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
在CAST工艺的污泥回流段加入一个厌氧反应罐而构成CAST+A工艺,并通过调节厌氧反应罐的停留时间分别为6、9和12 h,考察其污泥减量效果。两个月的监测表明,该工艺在不同停留时间下的污泥产率系数分别稳定在0.33、0.17和0.20 gMLSS/gCOD,相对于CAST工艺其减量率分别为21.42%、59.52%和52.38%。经分析,污泥衰减是实现污泥减量的主要原因。加入厌氧反应罐后,对去除COD和氨氮的影响较小,对总氮的去除效果有所改善,除磷效果则随停留时间的延长而逐渐降低。
其他文献
his paper makes an attempt to review the background when prototype theory was proposed,affirm its significant role in the study of psychology and linguistics an
With the summarization of the Early Paleozoic paleomagnetic data recently obtained from the three major blocks of China, the Early Paleozoic (I.e. Cambrian and
本文根据英语介词内在的语义,总结、归纳了英语介词翻译成汉语时的一些转换方式。 Based on the internal semantics of English prepositions, this article summarizes an
黑龙江方言中存在大量的重叠形式,其中以AABB式重叠最为典型。AABB式重叠从语言成分类别上看,可分为AABB式重叠构词形态和AABB式重叠构形形态两类;从词性的角度看,主要是动词
目的 探讨Galectin-3、CK-19在桥本病伴结节样变的表达及其临床意义.方法 采用免疫组织化学法检测60例桥本病伴结节样变(A组),30例桥本病伴癌变(B组),以及30例正常甲状腺(C组
Monitoring of frozen soil hydrology in macro-scale was performed by Chinese and Japanese scientists from 1997 to 1998. Quality measured data were obtained. Meas
Multiple-rock magnetic investigations conducted on the loess-paleosol sequences at Kurtak in Southwestern Siberia reveal that the mass-normalized low-field magn
The interaction between permafrost and atmosphere is accomplished through transfer of heat and moisture in the overlay active layer. Thus, the research on the t
“十五”期间(2000至2005年),上海外国留学生教育事业取得了飞速的发展,整个“十五”期间,全市的留学生规模扩大了近4倍,年均增长率达到了35%。  “十一五”期间(2006至2010年),上海
面对当前推进上海国资国企“资产资本化、资本证券化”的困难,需要创新思路和方法,有效解决问题,以更好地发挥国资国企对整个地方经济的带动力和影响力.本文通过分析资本化与