Abstract
The degradation of polycyclic aromatic hydrocarbons in sludge in aerobic fermentation process is affected by many factors, and the pile body pH value is one of the important factors. Through the test of mixing lime pile body regulating pH value (7.7, 8.2, 9), the polycyclic aromatic hydrocarbon degradation effect was researched under the different pH conditions and the same of the other aerobic fermentation conditions. The results showed that, pH=7.7 test device (not mixing lime ) on PAHs degradation effect was best, worst was the pH=8.2 test device, the sludge degradation of the polycyclic aromatic hydrocarbons effect is negative effect.
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