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评估不同营养度的四种微藻的生长和和的去除

Peizhen Ma^1,2, Xiaoqin Li^1,2,3, Biao Wu^1,2

¹State Key Laboratory of Mariculture Biobreeding and Sustainable Goods, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao 266071, China.

|September 27, 2025

概括

微藻有效地从水产养殖废水中去除和,具体物种的生长和去除速度因营养度而异. 这项研究为在废水处理中选择微藻提供了洞察力.

科学领域:

环境科学环境科学
水生生物学水生生物学
生物技术是生物技术.

背景情况:

由于和含量高,水产养殖废水带来了环境挑战.
有效的尾水管理对于减轻这些环境影响至关重要.
微藻显示出从废水中去除和离子的潜力.

研究的目的:

评估四种微藻种在从水产养殖废水中去除和方面的潜力.
评估在不同营养度下选择的微藻的生长和营养除去率.
为特定的废水条件确定最佳的微藻种类.

主要方法:

在模拟水产养殖废水中培养四种微藻 (Chlorella sp.,Dicrateria zhanjiangensis,Nitzschia closterium minutissima,Platymonas subcordiformis) 的研究.
系统评估微藻生长,细胞数和叶绿素含量.
测量 (NH4+,NO3-,NO2-) 和 (PO43-) 的去除速度.
对细胞内的多糖和蛋白质积累以及酸酸酶活性进行分析.

主要成果:

这四种微藻种均显示出PO43- (超过82.64%),NH4+ (超过89.06%),NO3- (超过59.27%) 和NO2- (超过42.15%) 的显著去除率.
观察到特定物种的最佳生长情况:Chlorella sp.,N. closterium minutissima和P. subcordiformis更喜欢高PO43和低NH4+,而D. zhanjiangensis则在低PO43和高NH4+中壮成长.
微藻在低条件下表现出较低的PO43-去除,在高条件下表现出较低的NO3-去除. 在缺乏的介质中,酸酶活性更高.

结论:

微藻有效地从水产养殖废水中去除关键营养素,效率因物种和营养水平而异.
不同的微藻种类对废水中的营养成分有不同的偏好.
这些发现为选择适合水产养殖废水处理的微藻提供了有价值的数据.

关键词:

细胞生长细胞的生长.微藻是一种微藻.和的去除,除和的去除.模拟水产养殖废水模拟水产养殖废水

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