Effect of sludge retention time on sludge characteristics and membrane fouling of membrane bioreact

来源 :环境科学学报:英文版 | 被引量 : 0次 | 上传用户:hbchens
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
三个相同的膜生物反应器(MBR ) 在 10 d, 40 d 和没有污泥退却(NS ) 的不同污泥保留时间(SRT ) 在 2 年被操作,到阐明并且确定犯规的污泥特征和膜上的 SRT 的效果。这些 MBR 的水力的保留时间在 12 h 被控制。与增加 SRT,而到全部的固体的不稳定的推迟的固体的比率减少了,在 MBR 的污泥集中增加了,并且污泥小粒的尺寸同时减少了。在长 SRT 的更高的污泥集中能维持更好器官的移动效率,并且更长的 SRT 对硝化细菌的生长慈悲。为货到付款和 NH4+-N 的移动的这些 M
其他文献
Accumulations of copper (Cu) and cadmium (Cd) in six rice cultivars (94D-22, 94D-54, 94D-64, Gui630, YY-1, and KY1360) were evaluated through exposure to heavy
The ability of Yarrowia lipolytica W29 immobilized by calcium alginate to degrade oil and chemical oxygen demand(COD) was examined.The degradation rules of oil
Polycyclic aromatic hydrocarbons (PAHs) were measured in precipitation from March to August 2005 in Guangzhou, South China. Fourteen PAHs were studied, and thei
The effect of pesticide napropamide (N,N-diethyl-2-(1-naphthalenyloxy) propanamide) on soil microorganisms for long-term (56 d) was assessed by monitoring chang
The physiological effects of 4 herbicides(butachlor,quinclorac,bensulfuron-methyl and atrazine) on 3 submerged macrophytes(Ceratophyllum demersum,Vallisneria na
Developing various approaches for preparing high performance materials has long been topics and tasks both for scientists and for engineers.Despite that many me
The eect of permanganate preoxidation on organic matter removal during the coagulation with aluminum chloride was investigated using tannic acid as a model comp
Although considerable research has been conducted on nitrate reduction by zero-valent iron powder (Fe0), these studies were mostly operated under anaerobic cond
This article describes a conductometric bi-layer based bienzyme biosensor for the detection of proteins as a marker of organic matter in rivers. Proteins were c
To provide basic toxicity data for formulating risk characterization benchmarks, the effects of lead on survival, locomotion, and sperm morphology were investig