二级污水处理厂二沉池漂泥有反硝化漂泥、活性污泥老化漂泥、生物泡沫导致的漂泥。

There were anti-nitrification floating sludge, aged activated floating sludge and floating sludge from biological foam in the final settling basin of municipal second stage sewage treatment plant.

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经实验证明反-2-壬烯醛、呋喃醛、2-甲基醛等与老化味存在着直接关系。

Experiments demonstrated that Anti-2- nonyl olefin aldehyde, furan aldehyde and 2-methyl aldehyde etc. had direct relation with aging flavor.

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