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利用微拟球藻去除污水中氮磷及生产富油生物质

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赵阳国, 师振华, 王亚洁, 白洁, 郭亮. 利用微拟球藻去除污水中氮磷及生产富油生物质[J]. 环境工程学报, 2016, 10(5): 2367-2374. doi: 10.12030/j.cjee.201412229
引用本文: 赵阳国, 师振华, 王亚洁, 白洁, 郭亮. 利用微拟球藻去除污水中氮磷及生产富油生物质[J]. 环境工程学报, 2016, 10(5): 2367-2374. doi: 10.12030/j.cjee.201412229
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Zhao Yangguo, Shi Zhenhua, Wang Yajie, Bai Jie, Guo Liang. Removal of nitrogen and phosphorus in urban sewage and simultaneous production of oil-rich biomass by Nannochloropsis sp.[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2367-2374. doi: 10.12030/j.cjee.201412229
Citation: Zhao Yangguo, Shi Zhenhua, Wang Yajie, Bai Jie, Guo Liang. Removal of nitrogen and phosphorus in urban sewage and simultaneous production of oil-rich biomass by Nannochloropsis sp.[J]. Chinese Journal of Environmental Engineering, 2016, 10(5): 2367-2374. doi: 10.12030/j.cjee.201412229
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利用微拟球藻去除污水中氮磷及生产富油生物质

  • 1.

    中国海洋大学环境科学与工程学院, 青岛 266100

  • 2.

    海洋环境与生态教育部重点实验室, 青岛 266100

  • 基金项目:

    山东省中青年科学家科研奖励基金项目(BS2011NJ018)

    教育部新世纪优秀人才支持计划(NCET-12-0501)

  • 中图分类号: X52

Removal of nitrogen and phosphorus in urban sewage and simultaneous production of oil-rich biomass by Nannochloropsis sp.

  • 1.

    College of Environmental Science and Engineering, Ocean University of China, Qingdao 266100, China

  • 2.

    Key Laboratory of Marine Environment and Ecology, Ministry of Education, Qingdao 266100, China

  • Fund Project:

  • 摘要: 为探讨污水深度处理和同步获取产油微藻的可行性,建立光生物反应器,应用微拟球藻去除污水和中水中的氮磷,并分析不同浓度的Fe3+和Zn2+离子对微藻的生长和油脂积累的影响,从而在净化污水的同时培养微藻获得富油生物质。结果表明,该藻对污水氮磷具有较强的去除能力,可在13 d内,去除水体中96%的氨氮和94%的磷,同时化学需要氧量(COD)的去除率可达72.9%。在生活污水中培养至第16天,微藻的细胞密度可达4.55×106 cell/mL。Fe3+浓度对微拟球藻的生长具有显著影响(P6 cell/mL。该研究以中水和生活污水为基质培养微拟球藻,同时获取微藻油脂,为污水中氮磷的去除和能源的同步获取提供了新途径。
    Abstract: To explore the feasibility of purifying urban sewage and harvesting oil-production microalgae simultaneously, Nannochloropsis sp. was employed to remove the nitrogen (N) and phosphorus (P) from sewage and recycled water. At the same time, effects of iron (Fe3+) and zinc (Zn2+) on growth and lipid accumulation of Nannochloropsis sp. were investigated to enhance urban sewage purification and microalgae cultivation. Results indicated that the microalgae showed a high capacity for urban sewage purification and removed 96% of ammonia nitrogen (NH3-N), 94% of P, and 72.9% of chemical oxygen demand (COD) from urban sewage over 13 days. The cell density reached 4.55×106 cell/mL in 16 days. Fe3+ presented significant impacts on the growth of Nannochloropsis sp. (P6 cell/mL with 36 μmol/L of Fe3+. By cultivating Nannochloropsis sp. and obtaining lipids in urban sewage, this study provides new approaches for removing N and P while simultaneously obtaining an energy source.
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  • 收稿日期:  2015-03-11
  • 刊出日期:  2016-06-03

利用微拟球藻去除污水中氮磷及生产富油生物质

  • 1.  中国海洋大学环境科学与工程学院, 青岛 266100
  • 2.  海洋环境与生态教育部重点实验室, 青岛 266100
  • 收稿日期:  2015-03-11
基金项目:

山东省中青年科学家科研奖励基金项目(BS2011NJ018)

教育部新世纪优秀人才支持计划(NCET-12-0501)

摘要: 为探讨污水深度处理和同步获取产油微藻的可行性,建立光生物反应器,应用微拟球藻去除污水和中水中的氮磷,并分析不同浓度的Fe3+和Zn2+离子对微藻的生长和油脂积累的影响,从而在净化污水的同时培养微藻获得富油生物质。结果表明,该藻对污水氮磷具有较强的去除能力,可在13 d内,去除水体中96%的氨氮和94%的磷,同时化学需要氧量(COD)的去除率可达72.9%。在生活污水中培养至第16天,微藻的细胞密度可达4.55×106 cell/mL。Fe3+浓度对微拟球藻的生长具有显著影响(P6 cell/mL。该研究以中水和生活污水为基质培养微拟球藻,同时获取微藻油脂,为污水中氮磷的去除和能源的同步获取提供了新途径。

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