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首页> 外文期刊>Journal of Environmental Science and Health >Influence of the organic loading rate on the growth of Galactomyces geotrichum in activated sludge
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Influence of the organic loading rate on the growth of Galactomyces geotrichum in activated sludge

机译：有机负荷率对活性污泥中Galactomyces geotrichum生长的影响

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摘要

Recent studies reporting on the useful implementation of fungi in wastewater treatment plants triggered the need to improve fungi based systems. Therefore, it is crucial to investigate the conditions that promote their selection. The present work aims to study the effect of the organic loading rate on the growth of filamentous fungi. Three sequencing batch reactors (SBR), fed with an easily biodegradable substrate (acetate), were operated at different organic loading rates: 4.3 g COD L~(-1) day~(-1) (SBR1), 1.0 g COD L~(-1) day~(-1) (SBR2) and 0.5 g COD L~(-1) day~(-1) (SBR3). High amounts of fungal filaments were observed in the SBR operating at higher organic loading rate, as ascertained by direct microscopic inspection, while, at lower organic loading rates, overabundance of fungal filaments was not observed. Sequence retrieved from the isolated fungal filaments presented high similarity (99%) to Galactomyces geotrichum.
机译：最近的研究报道了真菌在废水处理厂中的有效实施，引发了对基于真菌的系统进行改进的需求。因此，研究促进选择的条件至关重要。本工作旨在研究有机负载率对丝状真菌生长的影响。供给了易于生物降解的底物（乙酸盐）的三个顺序分批反应器（SBR）在不同的有机负载量下运行：4.3 g COD L〜（-1）天〜（-1）（SBR1），1.0 g COD L〜 （-1）天〜（-1）（SBR2）和0.5 g COD L〜（-1）天〜（-1）（SBR3）。通过直接显微镜检查确定，在较高有机物负载速率下操作的SBR中观察到大量真菌丝，而在较低有机物负载速率下，未观察到真菌丝过剩。从分离的真菌细丝中检索到的序列与地理乳杆菌有很高的相似性（99％）。

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  • 来源
    《Journal of Environmental Science and Health》 |2012年第4期|p.565-569|共5页
  • 作者

    MARIA MATOS; MARIA A. PEREIRA; ANA NICOLAU; ALEXANDRINA L. RODRIGUES; ANTONIO G. BRITO; REGINA NOGUEIRA;

  • 作者单位

    IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University ofMinho, Campus de Gualtar, 4710-057 Braga, Portugal;

    IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University ofMinho, Campus de Gualtar, 4710-057 Braga, Portugal;

    IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University ofMinho, Campus de Gualtar, 4710-057 Braga, Portugal;

    IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University ofMinho, Campus de Gualtar, 4710-057 Braga, Portugal;

    IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University ofMinho, Campus de Gualtar, 4710-057 Braga, Portugal;

    IBB - Institute for Biotechnology and Bioengineering, Centre of Biological Engineering, University ofMinho, Campus de Gualtar, 4710-057 Braga, Portugal;

  • 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

    activated sludge; fungal filamentous bulking; galactomyces geotrichum; organic loading rate; sequencing batch reactor;

    机译：活性污泥真菌丝状膨大;乳杆菌有机负荷率;顺序批处理反应器;

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