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顾新娇, 杨闯, 王文国, 汤晓玉, 胡启春. 不同浓度养殖废水对青萍生长能力的影响[J]. 环境工程学报, 2015, 9(3): 1103-1108. doi: 10.12030/j.cjee.20150319
引用本文: 顾新娇, 杨闯, 王文国, 汤晓玉, 胡启春. 不同浓度养殖废水对青萍生长能力的影响[J]. 环境工程学报, 2015, 9(3): 1103-1108. doi: 10.12030/j.cjee.20150319
shu
Gu Xinjiao, Yang Chuang, Wang Wenguo, Tang Xiaoyu, Hu Qichun. Influence of livestock wastewater concentration on growth of common duckweed (Lemna minor)[J]. Chinese Journal of Environmental Engineering, 2015, 9(3): 1103-1108. doi: 10.12030/j.cjee.20150319
Citation: Gu Xinjiao, Yang Chuang, Wang Wenguo, Tang Xiaoyu, Hu Qichun. Influence of livestock wastewater concentration on growth of common duckweed (Lemna minor)[J]. Chinese Journal of Environmental Engineering, 2015, 9(3): 1103-1108. doi: 10.12030/j.cjee.20150319
shu

不同浓度养殖废水对青萍生长能力的影响

  • 1.

    农业部沼气科学研究所, 成都 610041

  • 2.

    农业部农村可再生能源开发利用重点实验室, 成都 610041

  • 3.

    四川师范大学生命科学学院, 成都 610066

  • 基金项目:

    国家自然科学基金资助项目(51108239)

    四川省应用基础研究计划项目(2013JY0005)

  • 中图分类号: X713

Influence of livestock wastewater concentration on growth of common duckweed (Lemna minor)

  • 1.

    Biogas Institute of Ministry of Agriculture, Chengdu 610041, China

  • 2.

    Key Laboratory of Development and Application of Rural Renewable Energy, Ministry of Agriculture, Chengdu 610041, China

  • 3.

    College of Life Science, Sichuan Normal University, Chengdu 610066, China

  • Fund Project:

  • 摘要: 为了探讨废水浓度对青萍(Lemna minor)净化能力、生物质和能量积累能力的影响,以猪场养殖废水为供试废水,分析了在不同废水浓度下青萍对废水中总氮(TN)、氨氮和总磷(TP)的净化能力,青萍的生长情况,以及青萍中碳(C)、氮(N)、磷(P)元素含量和热值的变化情况。研究表明,青萍在1%浓度的废水中表现出最高的污染物净化能力。虽然青萍的C、N、P含量和热值均随废水浓度的增加而增加,但是由于相对增长率以1%的废水中生长的青萍最高,青萍的最高生产力、C和能量的固定能力均出现在1%废水浓度培养的青萍中,其次是5%废水浓度培养的青萍。多项式回归分析表明,可以使青萍获得最大C和能量固定能力的废水浓度为3.4%,对应的氨氮浓度为26 mg/L,TP浓度为3.4 mg/L。研究结果为进一步优化高生物质生产、高污染物去除率的养殖废水-浮萍培养体系提供了一定的基础。
    Abstract: The effects of wastewater concentrations on the purification capacity, biomass and energy accumulation of common duckweed (Lemna minor) were investigated in this study. Swine wastewater was used as culture solution. The results indicated that the duckweed presented the highest purification capability in 1% wastewater. Even though carbon, nitrogen, phosphorus and calorific value increased with the increasing concentration of wastewater, the highest biomass productivity and highest fixation of carbon and energy appeared in 1% wastewater, followed by 5% wastewater, because the highest relative growth rate was present in 1% wastewater. Polynomial regression analysis showed that the highest fixation of carbon and energy would be obtained under 3.4% wastewater, in which ammonia nitrogen and TP were 26 mg/L and 3.4 mg/L, respectively. This study would provide the basis for the optimization of aquaculture wastewater-duckweed culture system with high biomass accumulation and pollutant removal rate.
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出版历程
  • 收稿日期:  2014-03-06
  • 刊出日期:  2015-03-05
顾新娇, 杨闯, 王文国, 汤晓玉, 胡启春. 不同浓度养殖废水对青萍生长能力的影响[J]. 环境工程学报, 2015, 9(3): 1103-1108. doi: 10.12030/j.cjee.20150319
引用本文: 顾新娇, 杨闯, 王文国, 汤晓玉, 胡启春. 不同浓度养殖废水对青萍生长能力的影响[J]. 环境工程学报, 2015, 9(3): 1103-1108. doi: 10.12030/j.cjee.20150319
shu
Gu Xinjiao, Yang Chuang, Wang Wenguo, Tang Xiaoyu, Hu Qichun. Influence of livestock wastewater concentration on growth of common duckweed (Lemna minor)[J]. Chinese Journal of Environmental Engineering, 2015, 9(3): 1103-1108. doi: 10.12030/j.cjee.20150319
Citation: Gu Xinjiao, Yang Chuang, Wang Wenguo, Tang Xiaoyu, Hu Qichun. Influence of livestock wastewater concentration on growth of common duckweed (Lemna minor)[J]. Chinese Journal of Environmental Engineering, 2015, 9(3): 1103-1108. doi: 10.12030/j.cjee.20150319
shu

不同浓度养殖废水对青萍生长能力的影响

  • 1.  农业部沼气科学研究所, 成都 610041
  • 2.  农业部农村可再生能源开发利用重点实验室, 成都 610041
  • 3.  四川师范大学生命科学学院, 成都 610066
  • 收稿日期:  2014-03-06
基金项目:

国家自然科学基金资助项目(51108239)

四川省应用基础研究计划项目(2013JY0005)

摘要: 为了探讨废水浓度对青萍(Lemna minor)净化能力、生物质和能量积累能力的影响,以猪场养殖废水为供试废水,分析了在不同废水浓度下青萍对废水中总氮(TN)、氨氮和总磷(TP)的净化能力,青萍的生长情况,以及青萍中碳(C)、氮(N)、磷(P)元素含量和热值的变化情况。研究表明,青萍在1%浓度的废水中表现出最高的污染物净化能力。虽然青萍的C、N、P含量和热值均随废水浓度的增加而增加,但是由于相对增长率以1%的废水中生长的青萍最高,青萍的最高生产力、C和能量的固定能力均出现在1%废水浓度培养的青萍中,其次是5%废水浓度培养的青萍。多项式回归分析表明,可以使青萍获得最大C和能量固定能力的废水浓度为3.4%,对应的氨氮浓度为26 mg/L,TP浓度为3.4 mg/L。研究结果为进一步优化高生物质生产、高污染物去除率的养殖废水-浮萍培养体系提供了一定的基础。

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