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首页> 外文期刊>Journal of Environmental Science and Health >Understanding nitrogen recovery from wastewater with a high nitrogen concentration using microbial electrolysis cells
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Understanding nitrogen recovery from wastewater with a high nitrogen concentration using microbial electrolysis cells

机译：了解使用微生物电解细胞具有高氮浓度的废水中的氮气回收

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摘要

This study was aimed at understanding the effect of applied voltage, catholyte and reactor scale on nitrogen recovery from two different organic wastes (digestate and pig slurry) by means of microbial electrolysis cell (MEC) technology. For this purpose, MEC sizes of 100, 500 and 1000 mL were tested at applied voltages of 0.6, 1 and 1.4 V using either a phosphate-buffered solution or NaCl solution as the catholyte. By increasing the reactor size from 500 to 1000 mL, a decrease in the ammonia recovery efficiency from 47 to 42% was observed. The results also showed that the phosphate-buffered solution is preferable as the catholyte and that the voltage applied does not have a noticeable effect on current production and ammonia recovery. Low biodegradability of the wastes was identified as the main bottleneck.
机译：本研究旨在通过微生物电解细胞（MEC）技术了解施加电压，阴极电解液和反应堆尺度对从两种不同的有机废物（消化和猪浆料）的氮气回收的影响。为此目的，使用磷酸盐缓冲溶液或NaCl溶液作为阴极电解液，在0.6,1和1.4V的施加电压下测试100,500和1000ml的MEC尺寸。通过将反应器大小从500℃增加至1000mL，观察到从47〜42％的氨恢复效率降低。结果还表明，磷酸盐缓冲溶液作为阴极电解液优选，并且施加的电压对电流产生和氨恢复没有明显的影响。储存的低生物降解性被鉴定为主要瓶颈。

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  • 来源
    《Journal of Environmental Science and Health》 |2019年第6期|472-477|共6页
  • 作者

    Isabel San-Martin M.; Mateos Raul; Escapa Adrian; Moran Antonio;

  • 作者单位

    Univ Leon Nat Resources Inst IRENA Chem & Environm Bioproc Engn Grp Avda Portugal 41 Leon 24009 Spain;

    Univ Leon Nat Resources Inst IRENA Chem & Environm Bioproc Engn Grp Avda Portugal 41 Leon 24009 Spain;

    Univ Leon Nat Resources Inst IRENA Chem & Environm Bioproc Engn Grp Avda Portugal 41 Leon 24009 Spain|Univ Leon Dept Elect Engn & Automat Syst Leon Spain;

    Univ Leon Nat Resources Inst IRENA Chem & Environm Bioproc Engn Grp Avda Portugal 41 Leon 24009 Spain;

  • 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);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Microbial electrolysis cell; ammonia recovery; high nitrogen concentration wastewater; scaling up;

    机译：微生物电解细胞;氨恢复;高氮浓度废水;缩放;

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