The basic study of the effect of feces contamination on urea hydrolysis

机译：粪便污染对尿素水解影响的基础研究

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In the treatment of black water, source separation of feces and urine has been recommended for more effective nutrient recovery. The nitrogen recovery is the most difficult issue due to the ammonia volatilization caused by urea hydrolysis. In this study, the effect of feces contamination on the urea hydrolysis was evaluated. The time course of ammonia concentration was measured during the urine storage process, and the rate of urea hydrolysis was estimated. The rate of urea hydrolysis strongly depended on feces contamination, and little increase of ammonia concentration was observed in the case with no feces contaminations. The model for describing the urea hydrolysis was developed. The comparison of simulated results with experimental data showed the validity of the model for describing the hydrolysis process of urea in urine with feces contamination.

机译：在黑水的处理中，建议将粪便和尿液进行源分离，以更有效地回收营养。由于尿素水解引起的氨挥发，氮的回收是最困难的问题。在这项研究中，评估了粪便污染对尿素水解的影响。在尿液储存过程中测量氨浓度的时间过程，并估算尿素水解的速率。尿素水解的速度很大程度上取决于粪便的污染，在没有粪便污染的情况下，氨浓度几乎没有增加。建立了描述尿素水解的模型。模拟结果与实验数据的比较表明，该模型用于描述尿液中尿液受粪便污染的水解过程的有效性。

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来源
《International Water Association(IWA) Conference; 20050518-20; Xi'an(CN)》|2005年|P.63-70|共8页
会议地点 Xian(CN)
作者
Shinya Hotta; Hiroki Narita; Naoyuki Funamizu;
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作者单位

Department of Environmental Engineering, Graduate School of Engineering, Hokkaido University, Kita-13, Nishi-8, Kita-ku, Sapporo 060-8628, Japan;

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会议组织
原文格式 PDF
正文语种 eng
中图分类废水的处理与利用;
关键词
urea hydrolysis; feces contamination; urease; urease producing bacteria;

机译：尿素水解;粪便污染;脲酶;产生脲酶的细菌;

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4. The basic study of the effect of feces contamination on urea hydrolysis [C] . Shinya Hotta, Hiroki Narita, Naoyuki Funamizu International Water Association Conference . 2005

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The basic study of the effect of feces contamination on urea hydrolysis

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