按照生物除磷的机理，除磷效率的高低与基质中易降解有机物的含量及有机物的去除密切关联。

According to the mechanism of biological dephosphorization, the efficiency of removing phosphorus related to content and removal of organic substance.

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第二，缺氧池与厌氧池位置互换，使得反硝化菌优先获得易降解有机物作为碳源，反硝化速率得到提高；

Secondly, denitrification rate is improved because the oxygen pool is before the anaerobic pool and the anaerobic denitrifying bacteria readily biodegradable COD as carbon source;

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好氧生物降解性试验表明，PASP属易生物降解性有机物。

By tests of aerobic biodegradation, it is concluded that PASP is a readily biodegradable polymer.

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