预涂动态膜形成特征及其在水处理应用

Pre-coated Dynamic Membrane Formation Characteristics and Its Applications at Water Treatment

摘要:

立足于预涂动态膜，论述了预涂动态膜的工作原理。总结了诸如支撑膜孔径及材质、成膜材料特性及粒径，以及过滤压强和错流速度等操作条件对预涂动态膜处理效果的影响。并综述了预涂动态膜在地表水、工业废水和市政污水中应用的相关研究进展。此外，还对预涂动态膜开展了经济分析。最后指出了预涂动态膜在实际工程运用中所面临的挑战及未来的发展方向，旨在为预涂动态膜技术在水处理领域中的应用提供理论依据和技术支撑。

Abstract:

This study focuses on the operational principles of pre-coated dynamic membranes， exploring the influence of various factors， including the support membrane pore size and material， membrane-forming material properties and particle size， as well as filtration pressure and crossflow velocity on filtration performance. The study reviews recent advancements in the application of pre-coated dynamic membranes in surface water， industrial wastewater， and municipal wastewater treatment. Furthermore， the economic viability of pre-coated dynamic membrane technology is evaluated. The study also highlights the challenges faced in actual engineering applications and outlines future research directions， aiming to offer a theoretical foundation and technical support for pre-coated dynamic membrane applications in water treatment.