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首页> 外文期刊>Environmental Science & Technology >Removal of Soluble Phosphorus from Surface Water Using Iron (Fe-Fe) and Aluminum (Al-Al) Electrodes
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Removal of Soluble Phosphorus from Surface Water Using Iron (Fe-Fe) and Aluminum (Al-Al) Electrodes

机译：使用铁（Fe-Fe）和铝（Al-Al）电极去除地表水中的可溶性磷

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摘要

The removal of soluble phosphorus using iron and aluminum electrodes was studied in water samples from the Red River, a hyper-eutrophic stream in Winnipeg, Canada. Four trials were conducted: (I) mixed batch with 150—900 mA applied for 1 min to 1 L, (II) stagnant batch with 600-900 mA applied for 1 min to 1 L, and (III and IV) continuously stirred-tank reactor with 6.25—10 min hydraulic retention times and constant 900 mA. Maximum soluble phosphorus removals of 70—8096 were observed in mixed batch, and there was no significant difference between aluminum and iron electrodes (P value of 0.0526-0.9487). Aluminum electrodes performed significantly worse dun iron electrodes under higher hydraulic loads, with iron removing >70% soluble phosphorus and aluminum <40% (P values of 0.0035—0.0143). The estimated cost of consumables, reported per million liters of water treated, to remove 70% soluble phosphorus from eutrophic waters with 0.35 g m~(-3) soluble phosphorus would include 5—17.5 USD electricity costs and material costs of 5.3—12.2 USD for iron and 39.2 USD for aluminum.
机译：在加拿大温尼伯的富营养化流过红河的水样中，研究了使用铁和铝电极去除可溶性磷的方法。进行了四项试验：（I）将150-900 mA的混合批次施加1分钟至1升；（II）将600-900 mA的停滞批次施加1分钟至1升；以及（III和IV）持续搅拌-罐式反应器，具有6.25–10分钟的水力停留时间，恒定900 mA。混合批次中最大可溶磷去除率为70-8096，铝和铁电极之间无显着差异（P值为0.0526-0.9487）。在较高的水力负荷下，铝电极的铁电极性能明显较差，铁离子去除的固溶磷> 70％，铝去除<40％（P值为0.0035-0.0143）。据报道，从每百万公升水处理后，要从具有0.35 gm〜（-3）可溶性磷的富营养化水中去除70％可溶性磷的消耗品估计成本将包括5–17.5美元的电力成本和5.3–12.2美元的材料成本铁和铝的价格为39.2美元。

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  • 来源
    《Environmental Science & Technology》 |2017年第23期|13825-13833|共9页
  • 作者

    T. R. Devlin; A. di Biase; V. Wei; M. Elektorowicz; J. A. Oleszkiewicz;

  • 作者单位

    Civil Engineering, University of Manitoba, Room E1-368A, 15 Gillson Street, Winnipeg, MB R3T 5 V6, Canada;

    Civil Engineering, University of Manitoba, Room E1-368A, 15 Gillson Street, Winnipeg, MB R3T 5 V6, Canada;

    Civil Engineering, University of Manitoba, Room E1-368A, 15 Gillson Street, Winnipeg, MB R3T 5 V6, Canada;

    Building, Civil, & Environmental Engineering, Unrversite Concordia, 1455 De Maisonneuve Boulevard West, Montreal, QC H3G 1M8, Canada;

    Civil Engineering, University of Manitoba, Room E1-368A, 15 Gillson Street, Winnipeg, MB R3T 5 V6, Canada;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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