对污泥吸附剂的吸附机理进行了探讨，认为在没有水蒸气存在的条件下，吸附以物理吸附为主，SO_2不能被催化氧化为SO_3；

It was discussed about adsorption mechanism of sludge adsorbents, and was considered that in the condition of no water, physical adsorption was primary, SO_2 was not catalyzed and oxidized into SO_3;

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骨架呈负电性，具有可交换的阳离子，被广泛用作吸附剂、催化剂和催化剂载体，是一种具有优异择形选择性、热稳定性和湿热稳定性的新型催化材料。

SAPO is a novel class of catalytic materials which exhibit excellent shape selectivity, thermal stability and hydrothermal stability, which can catalyze hydrocarbon reactions.

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