水滑石—陶瓷过滤器复合材料的构筑及其脱硝除尘一体化性能研究

This project has been focused on the fabrication of layered double hydroxides (LDHs) based film on the ceramic filter to form the integrated layered double hydroxides (LDHs)-ceramic filter composite material, which can efficiently remove the NOx and dust simultaneously. The properties of pore structure, surface/interface structure, and the active sites will been systemly studied, for the purpose of achieving high denitration and dedusting efficiency with strong binding force, low pressure drop, and highly dispersed active sites. The target of this project is to overcome the key problem of weak binding force, channel jam and poor dispersity for the composite materials, uncover their structure-function relationships, and ultimately obtain new and efficient composite materials for NOx and dust removal.

本项目提出以水滑石（LDHs）基薄膜催化材料为脱硝活性单元，陶瓷过滤器为支撑和过滤单元，构筑LDHs—陶瓷过滤器脱硝除尘一体化复合材料。以脱硝除尘性能为导向，增强薄膜与陶瓷基底结合力、降低除尘压降、提高活性位分散度，并对该类复合材料的孔结构、表面与界面结构、活性位结构与取向、以及脱硝除尘一体化性能进行系统和深入研究。最终克服该类复合材料结合力弱、堵孔、活性位分散不均等关键制备技术难题，揭示其结构-性能关系的关键科学问题，获得一类新型高效脱硝除尘一体化复合材料。