Zhang Wen-qiang

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The objective research of this paper is constructed wetlands. By examining the COD, TP degradation factors to analyze the characteristics of constructed wetlands. This article discusses the impact on COD of pH, ORP, ALR, hydraulic loading and the TP of HRT, planting. The results show that the clean dirt capacity of constructed wetlands is a complex(More)
By the intermittent experiment, we studied the effects of temperatures on process of hydrolysis and acidification of excess sludge. The results showed that at the temperature of 25°C, 30°C, 35°C and 40°C, the maximum of SCOD reached 382 mg/L, 432 mg/L, 622.51 mg/L and 1453.96 mg/L, and the maximum of hydrolysis efficiency reached(More)
By the intermittent test, we studied the acid fermentation rule after mixing excess sludge and distiller's grains. The results showed that the control sample and by the proportion of 0.2g/gTS, 0.4g/gTS, 0.6g/gTS added distiller's grains to the 4 reactors, the maximums of SCOD reached 775.83mg/L, 1136.92 mg/L, 1427.77mg/L and 2609.48mg/L, the TS loss ratios(More)
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