沸石对亚硝胺吸附及降解的研究进展

Progress on the Adsorption and Degradation of Nitrosamines by Zeolites

亚硝胺是吸烟导致癌症的重要因素, 如何在成分复杂的环境烟气中吸附和催化降解亚硝胺成为沸石吸附和催化的难题. 本文剖析了沸石对亚硝胺的特殊选择性吸附, 讨论了沸石降解亚硝胺的机制以及金属氧化物对沸石去除亚硝胺效率的促进作用, 并回顾了相关研究领域的动态和展望环境净化沸石新材料的发展方向.

Nitrosamines are well-recognized carcinogens,and nitrosamines in smoke causes health hazard by smoking.How to adsorb and catalytically degrade nitrosamines in the environmental tobacco smoke with complex composition becomes the challenge facing zeolite material.In this article some latest research progresses in adsorption and catalytic degradation of nitrosamines by zeolites are reviewed.The special selectivity of zeolite toward nitrosamines and the degradation of nitrosamines by zeolite are described,and how to elevate the efficiency of zeolite with metal compounds modification is introduced.Also,the research progress on the removal of nitrosamines is summarized.Finally the development of new functional materials to eliminate the pollution of nitrosamines is prospected.