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首页> 外文期刊>Journal of Residuals Science & Technology >Changes in Nitrogen Form in Paper Mill Wastewater Treated by Ozone Oxidation
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Changes in Nitrogen Form in Paper Mill Wastewater Treated by Ozone Oxidation

机译：臭氧氧化处理造纸废水中氮形态的变化

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Ozonizers will produce nitrogen oxides which can be dissolved into thewastewater as ozone is produced. This experiment, where ozonization process was employedas the post-treatment after the biological processes, aims to analyze the amountof nitrogen and its variation and transform rate in influents and effluents. Results showedthat after ozonization process, the concentrations of total nitrogen in effluents were higherthan the concentrations in influents (0.01~0.38 times higher). The concentrations ofnitrate nitrogen in effluents were also higher than the concentrations in influents, andaverage increased rate of NO3-N was 226.8%. Furthermore, the increase in the concentrationof NO3-N due to dissolution of NOx was 47.10% of total increase in NO3-N.
机译：臭氧发生器会产生氮氧化物，当产生臭氧时，氮氧化物可以溶解到废水中。该实验以臭氧化过程作为生物过程后的后处理，旨在分析进水和出水中的氮量及其变化和转化率。结果表明，臭氧处理后，污水中总氮的浓度高于污水中氮的浓度（高0.01〜0.38倍）。废水中硝酸盐氮的浓度也高于废水中的浓度，NO3-N的平均增加率为226.8％。此外，由于NOx的溶解而引起的NO3-N浓度的增加占NO3-N总增加量的47.10％。

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