长江科学院院报 ›› 2019, Vol. 36 ›› Issue (9): 18-22.DOI: 10.11988/ckyyb.20181145

• 水资源与环境 • 上一篇    下一篇

不同填料强化生态浮床对淡水养殖水体的净化效果

张玲玲,刘立早,张玉平   

  1. 上海市水产研究所 上海市水产技术推广站,上海 200433
  • 收稿日期:2018-10-25 修回日期:2019-04-04 出版日期:2019-09-01 发布日期:2019-09-12
  • 作者简介:张玲玲(1985-),女,湖北襄阳人,助理研究员,博士,主要从事水体生态修复研究。E-mail:13818353541@163.com
  • 基金资助:
    国家自然科学基金青年基金项目(51709172);上海市青年人才成长计划项目(沪农青字(2017)第3-8号);上海市科技兴农推广项目(沪农科推字(2017)第1-12号)

Purification Effect of Floating Treatment Wetlands Enhanced with Different Biofilm Carriers on Aquaculture Water

ZHANG Ling-ling, LIU Li-zao, ZHANG Yu-ping   

  1. Shanghai Fisheries Technical Promotion Station, Shanghai Fisheries Research Institute, Shanghai 200433, China
  • Received:2018-10-25 Revised:2019-04-04 Online:2019-09-01 Published:2019-09-12

摘要: 人工填料强化生态浮床是近年来发展起来的一种新兴生态工程修复技术。选取3种不同类型的人工填料与挺水植物组合,分析其对高磷浓度养殖水体和上海市养殖池塘水体的净化效果。结果表明,在高磷浓度(2.36~3.42 mg/L)养殖水体中,人工填料强化生态浮床对TN、TP、COD的平均去除率分别为34.9%,12.2%,26.1%,且3组系统之间差异不明显。在上海市养殖水体平均浓度条件下,3组系统对TN和TP的去除能力为:立体弹性填料强化生态浮床>组合填料强化生态浮床>生物绳填料强化生态浮床,立体弹性填料强化生态浮床对TN和TP的去除率分别为83.9%和69.3%;3组系统对COD和NH4+-N的去除率均在70%以上。因此,立体弹性填料强化生态浮床可以考虑应用于上海市淡水养殖池塘水体的生态修复工程。

关键词: 淡水养殖水体, 强化生态浮床, 人工填料, 立体弹性填料, 生物绳填料, 生态修复

Abstract: Enhanced floating treatment wetland (EFTW) with biofilm carriers is a new ecological restoration technology developed in recent years. In this study, three kinds of biofilm carriers were added into traditional floating treatment wetland (FTW). Their purifying effects on high phosphorus-concentration aquaculture water and aquaculture pond water in Shanghai were examined. Results elucidated that in high phosphorus-concentration (2.36-3.42 mg/L) aquaculture water, the average removal rates of TN, TP and COD were 34.9%, 12.2% and 26.1%, respectively, with no significant difference among the three treatment groups; in aquaculture pond water in Shanghai with average polluted level, EFTW with elastic packing had the best ability of purifying TN and TP with the removal rate reaching 83.9% and 69.3%, respectively, followed by EFTW with combined packing and EFTW with bio-cord packing. The removal rates of COD and NH4+-N by the three treatment systems all exceeded 70%. In conclusion, EFTW with elastic packing can be applied to the ecological restoration project in freshwater aquaculture ponds in Shanghai.

Key words: aquaculture water, enhanced ecological floating bed;artificial packing;stereo-elastic packing, bio-cord packing, ecological restoration

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