广东工业大学学报 ›› 2017, Vol. 34 ›› Issue (02): 48-53.doi: 10.12052/gdutxb.160065

• 综合研究 • 上一篇    下一篇

水华鱼腥藻在不同络合态铁环境下的增殖规律111

仇永婷, 王志红, 刘立凡, 周涛, 邹祥俊   

  1. 广东工业大学 土木与交通工程学院, 广东 广州 510006
  • 收稿日期:2016-04-22 出版日期:2017-03-09 发布日期:2017-03-09
  • 通信作者: 王志红(1975-),女,教授,博士,主要研究方向为微污染水源预警技术,E-mail:gdwzhihong@126.com E-mail:gdwzhihong@126.com
  • 作者简介:仇永婷(1992-),女,硕士研究生,主要研究方向为微污染水源预警技术.
  • 基金资助:

    国家自然科学基金资助项目（51308131）；广东省自然科学基金资助项目（9151009001000048）

Growth Regularity of Anabaena flos-aquae in Different Complex Iron Environment

Qiu Yong-ting, Wang Zhi-hong, Liu Li-fan, Zhou Tao, Zou Xiang-jun   

  1. School of Civil and Transportation Engineering, Guangdong University of Technology, Guangzhou 510006, China
  • Received:2016-04-22 Online:2017-03-09 Published:2017-03-09

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摘要：

采用实验室模拟培养的方法，分别培养初始柠檬酸铁铵、EDTA-Fe、草酸铁、腐殖酸铁质量浓度为0.2 mg/L、0.4 mg/L、0.6 mg/L、0.8 mg/L、1.0 mg/L时的水华鱼腥藻.结果表明：在相同络合态铁质量浓度下，柠檬酸铁铵与腐殖酸铁较之草酸铁与EDTA-Fe，生物可利用性更强，藻类表现出更快的促进时效及更大平均增长速率，但促进效果因络合态铁的浓度不同而略有差异；柠檬酸铁铵最适生长铁质量浓度出现在0.2 mg/L；EDTA-Fe、草酸铁最适生长铁质量浓度出现在0.6 mg/L附近；腐殖酸铁的最适宜生长质量浓度出现在0.4 mg/L附近.

关键词: 络合态铁, 水华鱼腥藻

Abstract:

Anabaena flos-aquae were cultured separately in ferric ammonium citrate, EDTA-Fe, ferrioxalate and ferric humate in the initial concentration of 0.2 mg/L, 0.4 mg/L, 0.6 mg/L, 0.8 mg/L and 1.0 mg/L by using the laboratory simulation training method. The results show that the bioavailability of ferric ammonium citrate and ferric humate is stronger than the EDTA-Fe, and ferrioxalate under the same complex iron concentration in water. And the algae shows a faster growth rate and greater average growth rate in ferric ammonium citrate and ferric humate, but the promoting effect is slightly different due to the difference of the concentration of the complex iron. The optimum growth of iron concentration of ferric ammonium citrate is 0.2 mg/L, and the optimum growth of iron concentration of EDTA-Feand ferrioxalate appeares in the vicinity of 0.6 mg/L, while the optimum growth of iron concentration of ferric humate appeares in the vicinity of 0.4 mg/L.

Key words: complex iron, Anabaena flos-aquae, growth regularity

中图分类号: 

  • X524

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