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Use of microalgae in wastewater treatment to remove contaminants and purify biogas.

机译:在废水处理中使用微藻去除污染物并净化沼气。

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摘要

This thesis presents laboratory-scale experiments that explore the potential use of microalgae in wastewater treatment. As tertiary treatment, microalgae strains grown in secondary effluent from a municipal wastewater treatment plant successfully removed nutrients (nitrogen and phosphorous) and heavy metals (copper and zinc). Nitrogen in the form of ammonia was removed with up to 94.6% removal, and total phosphorous removal reached up to 95.8% removal. Copper and zinc removal rates reached up to 84.4% and 96.3%. Simulated biogas was exposed to microalgae grown in secondary effluent to observe CO2 uptake. Complete CO2 removal was achieved. The use of microalgae to treat secondary effluent while purifying raw biogas from anaerobic digesters represents a more sustainable approach to wastewater treatment than current practices.
机译:本文提出了实验室规模的实验,探索了微藻在废水处理中的潜在用途。作为第三级处理,在市政污水处理厂的二级污水中生长的微藻菌株成功去除了养分(氮和磷)和重金属(铜和锌)。以氨的形式除去的氮高达94.6%的除去,总磷的除去达到了95.8%的除去。铜和锌的去除率分别达到84.4%和96.3%。将模拟的沼气暴露于次级污水中生长的微藻中,以观察二氧化碳的吸收。完全去除了二氧化碳。与目前的做法相比,使用微藻处理二次废水,同时净化来自厌氧消化池的原始沼气代表了一种更可持续的废水处理方法。

著录项

  • 作者

    Chan, Alison.;

  • 作者单位

    University of Guelph (Canada).;

  • 授予单位 University of Guelph (Canada).;
  • 学科 Engineering Environmental.
  • 学位 M.A.Sc.
  • 年度 2011
  • 页码 136 p.
  • 总页数 136
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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