本文介绍了压力衰减（PD）和扩散气流（DAF）两种技术在实际饮用水条件下直接监测微滤（MF）膜完整性的可行性。在这项研究中，MF膜被故意在不同程度上破坏，并在不同操作条件下评估PD和DAF试验的敏感性。主要操作条件不同，包括跨膜压力和膜污染状态。此外，目前正在利用隐孢子虫和大肠菌群等各种病原体进行微生物挑战性研究，以确定微生物去除效率与膜完整性测试结果之间的相关性。包括3个参考文献、图表。

This paper presents the feasibility of two techniques, Pressure Decay (PD) and Diffusive Air Flow (DAF), for directly monitoring microfiltration (MF) membrane integrity at actual drinking water conditions. In this study, MF membranes were intentionally compromised at various degrees and the sensitivity of PD and DAF tests were evaluated under various operating conditions. Primary operating conditions varied including transmembrane pressure and state of fouling of the membrane. In addition, microbial challenge studies, using various pathogens such as Cryptosporidium and Coliform, are currently being conducted to develop a correlation between microbial removal efficiency and membrane integrity test results. Includes 3 references, figures.