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zhangypecho

金虫 (小有名气)

翻译EPI: 1
应助: 17 (小学生)
金币: 608.5
散金: 133
红花: 3
帖子: 214
在线: 35.2小时
虫号: 986704
注册: 2010-03-31
性别: MM
专业: 环境工程

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真强必胜: 金币+3, good 2014-07-21 18:32:41
邱实宝贝: 金币+200, 翻译EPI+1, 谢谢 2014-07-21 22:39:04

The constructed wetlands of Wu river have on a field trip and taken water samples in the city of Linyi of Shandong Province. The water-quality indexes, such as N, P, COD and BOD, are measured and analyzed. The experimental results suggest, the constructed wetlands could remove 55% of TN, 76% of COD and 70% of BOD, only a low removal rate of P. It has eight sample point which average concentration of TN and TP are 26.55 and 0.125 mg/L. According to the standard of eutrophication degree analysis(Thomas), the TP and TN are in the rich degree of eutrophication level. therefore, The eutrophication degree of constructed wetlands of Wu river is high overall, indicating wastewater treatment doesn't develop well.

如有错误一二，请见谅~~~

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