DASB can remove the organic particle by its short-time anaerobic technology, thus preventing W-SFCW from jamming and affording enough carbon for denitrification.
DASB单元采用短时厌氧技术，去除颗粒有机物和部分溶解有机物，防止W - SFCW堵塞，保证W - SFCW单元脱氮所需的碳源。
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