分析了在污水生化处理过程中活性污泥沉降性能下降的原因。
The reasons of the decrease of flocculating sedimentation of activated sludge in the process of bio chemical sewage treatment were analyzed.
文摘：分析了在污水生化处理过程中活性污泥沉降性能下降的原因。
Abstract: the reasons of the decrease of flocculating sedimentation of activated sludge in the process of bio chemical sewage treatment were analyzed.
最佳污泥负荷下的污泥沉降性能良好，污泥负荷过高会导致非丝状菌污泥膨胀。
The sludge also shows good settleability at the optimum sludge load, and the higher load will lead to non-filamentous bacteria sludge bulking.
对含酚污水污泥重力浓缩性能的研究表明：污泥沉降属于成层沉降和压密沉降状；
The gravity thickening property of sludge from phenol contaminated wastewater was described. It showed that the sludge settling was in layered and compression settling statues.
污泥沉降比是污水处理过程中的主要分析项目之一，传统污泥沉降比的测量是人工操作，误差较大。
Sludge settlement ratio is one of the main analysis items. The traditional detection of sludge settlement ratio is operated manually, which may make too much deviation.
在实验过程中，对污泥混合液黏度、污泥沉降性能、污泥絮体疏水性、污泥混合液可滤性定期进行了监测。
During the experimental process, the viscosity, sedimentation capacity, relative coagulant hydrophobicity, and mixed liquor filterability of the sludge are periodically monitored.
石灰作为一种传统的助凝剂，应用于水厂排泥水调质浓缩工艺，可提高污泥颗粒密度，改善污泥沉降脱水性能。
In the wastewater conditioning and concentration process, lime can be used to raise density of the sludge particles, and improve the property of sludge dewatering.
针对污泥沉降性能，在运行条件相同的情况下对膜生物反应器(MBR)与传统活性污泥法(CAS)进行比较。
According to the sludge settleability, a comparison between a conventional activated sludge process (CAS) and a membrane bioreactor (MBR) was carried out under similar operational conditions.
通过对杭州制水二公司平流式沉淀池污泥沉降曲线的测定、沉泥的量化，找到了一种较为直观、简单的以周期控制量为参照的排泥控制法。
We quantified the sedimentation by determination of sludge sedimentation curve and found out a simplified and perceived method to control the sludge discharge cycle.
采用传统活性污泥法工艺研究了冲厕海水进入城市污水系统后，其盐度对污泥沉降性能的影响。结果表明，盐度对污泥沉降性能的影响比较明显，盐度有利于污泥沉降。
The effect of salinity variations on sludge settling performance was investigated in the traditional activated sludge system when the toilet-flush seawater discharged into urban sewage system.
这些污泥一般沉降迅速，但并不很紧密。
Typically these sludges settle rapidly but do not compact very well.
沉降在二沉池中的污泥被污泥铲铲起由于重力流入污泥消化储存设施中。
Sludge which settles in the secondary clarifier is picked up by the sludge scoop and can flow by gravity to digestion and storage facilities.
当回流比、溢流率和絮体沉降特性处于变化中时，可用“状态点”的概念对活性污泥— 沉淀系统进行设计工作和系统分析。
The state point analysis can be used in the design and operation analysis of the activated sludge system as the RAS ratio, overflow rate and settling characteristics of flocci are varying.
以蔗糖为碳源，在序批式间歇反应器中培养出沉降性能良好的黑色好氧颗粒污泥。
Black aerobic granule sludge with good settling velocities was cultivated in sequencing batch reactor (SBR) fed with sucrose.
污泥的产甲烷活性和沉降性能等与其微生物组成结构密切相关。
The methane producing formation activity and settling characteristics of the sludge were closely related to microbial composition and structure.
因此，投加填料对于污泥的沉降是有利的。
Thus, adding packing for the settlement of sludge is beneficial.
研究了曝气生物滤池(BAF)反冲洗污泥的生物相组成、生物活性、沉降特性及絮凝性能。
Backwashing sludge of biological aerated filter (BAF) was studied with analysis of composition and activity of microbe as well as settling and bioflocculation performance.
全桥式刮臂采用铰支式可自动抬臂的新颖结构形式，对污泥堆积过厚或沉淀池不均匀沉降造成的池子倾斜有自动调节、逐层刮泥功能。
The scraper of full-bridge type adopts automatic hinged arm structure, which can automatically adjust the inclination of tank caused by the accumulation or the uneven settling of the sludge.
运用批沉降实验研究了活性污泥的区域沉降和压缩沉降规律，确定了沉降特性参数。
Based on the batch settling tests, the discipline of zone and compression settling activated sludge are studied.
不同沉降速率下颗粒污泥的的胞外多聚物发生变化，进而影响颗粒污泥的稳定性。
The variety of extracellular polymer of particle sludge under different settling rate will influence stability of the particle sludge.
与传统的活性污泥法相比，好氧颗粒污泥反应器具有MLSS浓度高、沉降速度快、占地面积小等独特优点。
Compared with the conventional activated sludge process, the aerobic granular sludge has the advantages of high MLSS concentration, high settling velocity, and less land coverage.
根据实测得到的静态沉降曲线讨论迪克理论和柯伊-克里维什理论在给水厂污泥重力浓缩池设计中的应用。
The theories of Dick and Coe-Clevenger were applied for design of gravitational sludge thickeners in waterworks based on the settling curve obtained by static settling experiment.
颗粒污泥具有良好的沉降性能、较高的生物量和在高容积负荷条件下降解高浓度有机废水的良好生物活性。
Aerobic granular sludge demonstrates high settling velocities resulting in good liquid separation, high biomass retention, high activity and ability of withstanding high loading rates.
颗粒污泥活性高、沉降性能好。
The granular sludges had high methanogenic activity and good settleability.
在较低的沉降速度下产生以菌胶团为主的颗粒，提高污泥的沉降速度产生以丝状菌为主要结构的颗粒污泥。
The zoogloea granules predominated in the lower settling velocity, then filamentous microorganisms granules could be formed with the increasing of the settling velocity.
此法的显著特点是混凝沉降速度快，污泥体积小，处理废水费用低。
The remarkable characteristics of this method is a higher rate of settlement, a smaller volume of sludge, and a lower cost of treatment.
对生物活性污泥的絮凝脱水性能的研究结果表明，LSDC在提高沉降速度、降低污泥含水率和污泥过滤比阻方面有明显效果，优于对比样CPAM。
It could be concluded that LSDC can obviously speed up the sedimentation rate of sludge, decrease moisture content and specific filtration resistance of sludge, which was superior to CPAM.
聚磷菌的增殖使活性污泥比重增大，有助于发生恶性膨胀的污泥逐渐恢复沉降性能，维持活性污泥微膨胀。
Specific gravity of activated sludge was increased by proliferation of phosphorus accumulating organisms (PAOs), which helped to resume state of limited sludge bulking after excessive sludge bulking.
聚磷菌的增殖使活性污泥比重增大，有助于发生恶性膨胀的污泥逐渐恢复沉降性能，维持活性污泥微膨胀。
Specific gravity of activated sludge was increased by proliferation of phosphorus accumulating organisms (PAOs), which helped to resume state of limited sludge bulking after excessive sludge bulking.
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