生态别墅屋面雨水过滤器的除污效能研究

针对生态别墅区屋面雨水的处理与资源化利用问题，设计了屋面雨水过滤器，并开展了处理雨水的效能研究。结果表明，该屋面雨水过滤器是一种简易、有效的雨水处理和资源化利用装置，其最大滤速可达22．80m／h。除对浊度、有机物有很好的去除效果外，还能去除部分NH3-N和TP，处理后的出水水质可满足城市杂用水水质标准。     

一种有源滤波器谐波电流检测的改进方法

介绍了一种基于瞬时无功功率理论的改进的谐波电流检测方法，可以在电网不平衡状态下检测出谐波电流。便于工程中有源滤波器只对谐波电流进行补偿。该方法也适用于电网平衡时的谐波电流检测。     

污水的地下渗滤处理系统在农村应用的探讨

结合具体的工程实例，阐述了污水的地下渗滤处理系统的原理，并对其具体工程设计参数及主要参数的计算作了探讨，并对其经济性进行了分析比较，指出地下渗滤处理系统简单可行，值得提倡。     

一种公路路堤施工方法探讨

结合工程实例，对填石路堤的施工工艺进行了介绍，并对浸水路堤路基横断面，反滤层及塑料土工格栅，路基坡面地表处理等填石路堤施工中的一些问题进行了阐述，以提高路基压实度，保证了路面的正常使用。     

对污水深度处理滤池工艺设计的探讨

首先介绍和分析了重力式滤池两种流向 (上向流式和下向流式 )的过滤机理 ,并从多方面阐明了污水深度处理宜采用上向流式滤池的观点 .其次 ,对上向流滤池的运行特性进行了分析 ,从而得出冲洗工序对滤后水质有影响的结论 .最后还介绍了上向流滤池的应用实例及其工艺设计参数 .     

A statistical approach to the optimisation of membrane operation

A bench‐scale analysis has been conducted on the ultrafiltration of synthetic and real domestic wastewaters post‐biotreatment by a biological aerated filter. This paper presents a rigorous analytical technique to identify the process parameters that have a significant influence on a membrane system performance. By applying statistical techniques, the influence of each parameter and the level of uncertainty were quantified within a highly complex, interrelated and variable process. The results showed that the fouling propensity for real greywater was significantly variable, both during the trial and from one trial to the next. The variability was primarily due to the inherent variability of greywater quality and the extent of settling within the storage facility. However, the fouling propensity for real greywater was generally lower than for settled sewage. The results of the analysis were extended to produce a predictive model that can be used as a guide in the design of membrane systems and their operation. The methodology is readily transferable and adaptable to other membrane systems.     

扩展流好氧滤池的复合脱氮特性

为实现高效低耗脱氮,对扩展流好氧滤池的除碳、脱氮特性进行了研究,结果表明滤层内存在复合脱氮过程,相应的系统环境条件:DO为 1. 5~2. 5mg/L、运行周期为 10d左右、滤层内COD≤25mg/L、生物膜结构稳定,此时脱氮过程以异养反硝化和厌氧氨氧化为主,且两种作用在竞争中达到平衡。     

隔离病房回风高效过滤器滤菌效率的实验研究

介绍了国外各类高效过滤器的滤菌效率。在安装有高效过滤器的隔离病房回风口进行了发菌实验,计算了B类和C类回风高效过滤器的滤菌效率,证明了当隔离病房回风口安装高效过滤器时,可使用部分循环风。     

Design of a nitrifying tertiary trickling filter based on theoretical concepts

A nitrification model for a tertiary trickling filter is developed based on stoichiometry, Fick's Law and Monod kinetics. The design of tertiary trickling filters for nitrification is discussed, with special emphasis on: residual ammonium concentration, recirculation, reactors in series, residual alkalinity, residual nitrite concentration and effects of temperature on reactor performance. Wherever possible the theoretical predictions are compared with experimental results.     

基于集合卡尔曼滤波的岩土力学参数动态估计

 针对非确定性过程，引入集合卡尔曼滤波(EnKF)理论，视岩土变形体为一个随机动态系统，将位移观测值作为系统的输出，用集合卡尔曼滤波模型来描述系统的状态；进一步耦合数值分析方法实现岩土力学参数的随机动态估计，在有效地获得待估参数的同时还给出估计值的不确定性。通过数值算例表明，集合卡尔曼滤波可以有效地对含噪声的量测数据进行处理，能够跟踪岩土力学行为的动态变化。对比于常用最优化算法，集合卡尔曼滤波同时给出反演结果和先验知识的后验分布，显示出更好的实时性和可靠性。