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藻类膜对磷的吸附/吸收行为研究

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周军, 魏群, 李晓伟, 陈延飞, 涂晓杰. 藻类膜对磷的吸附/吸收行为研究[J]. 环境工程学报, 2016, 10(3): 1133-1137. doi: 10.12030/j.cjee.20160321
引用本文: 周军, 魏群, 李晓伟, 陈延飞, 涂晓杰. 藻类膜对磷的吸附/吸收行为研究[J]. 环境工程学报, 2016, 10(3): 1133-1137. doi: 10.12030/j.cjee.20160321
shu
Zhou Jun, Wei Qun, Li Xiaowei, Chen Yanfei, Tu Xiaojie. Study on adsorption/absorption of phosphorous by algal biofilm[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1133-1137. doi: 10.12030/j.cjee.20160321
Citation: Zhou Jun, Wei Qun, Li Xiaowei, Chen Yanfei, Tu Xiaojie. Study on adsorption/absorption of phosphorous by algal biofilm[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1133-1137. doi: 10.12030/j.cjee.20160321
shu

藻类膜对磷的吸附/吸收行为研究

  • 1.

    广西大学环境学院, 南宁 530004

  • 基金项目:

    国家自然科学基金资助项目(51269002)

  • 中图分类号: X703

Study on adsorption/absorption of phosphorous by algal biofilm

  • 1.

    School of Environment, Guangxi University, Nanning 530004, China

  • Fund Project:

  • 摘要: 在光照强度约4000 lx及温度28℃条件下,将水华鱼腥藻(Anabaena flos-aquae)和斜生栅藻(Scenedesmus obliqnus)附着在弹性聚氯乙烯载体上形成藻类膜,研究藻细胞在富磷环境(约为2 mg/L)中对磷的短期吸收过程,分析基质中磷、藻细胞总磷及表面吸附磷的迁移变化特征。结果表明:水华鱼腥藻和斜生栅藻细胞总磷含量在稳定时分别为0.96和0.85 mg/mg(以chla计);藻细胞表面对磷的吸附在240 min时达到平衡,其中水华鱼腥藻吸附量占细胞总磷(包括表面吸附磷和细胞内磷)的28.1%,斜生栅藻则为23.5%。根据吸附模型拟合结果,藻细胞表面对磷的吸附符合Langmuir吸附等温式。
    Abstract: Algal biofilms were formed by Anabaena flos-aquae and Scenedesmus obliqnus attached on the surface of flexible polyvinyl chloride (PVC) carriers. Experiments were conducted at 28℃ with continuous illumination (4000 lx) to examine the process of short-term phosphorus (P) absorption by algal biofilms of A. flos-aquae and S. obliqnus in phosphate-replete medium (approximately 2 mg/L) by analyzing the migration process of P in the medium, total P in the cells, and surface-adsorbed P. The results showed that the total cell P of A. flos-aquae and S. obliqnus were 0.96 and 0.85 mg/mg chlorophyll-a (chla), respectively. The adsorption of P reached equilibrium at 240 min in the two algal biofilms. Surface-adsorbed P on the A. flos-aquae biofilm was 28.1% of the total P of the cells (including surface-adsorbed P and intracellular P), and that on the S. obliqnus biofilm was 23.5%. The Langmuir sorption model was the appropriate type for this sorption.
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出版历程
  • 收稿日期:  2015-01-28
  • 刊出日期:  2016-03-18
周军, 魏群, 李晓伟, 陈延飞, 涂晓杰. 藻类膜对磷的吸附/吸收行为研究[J]. 环境工程学报, 2016, 10(3): 1133-1137. doi: 10.12030/j.cjee.20160321
引用本文: 周军, 魏群, 李晓伟, 陈延飞, 涂晓杰. 藻类膜对磷的吸附/吸收行为研究[J]. 环境工程学报, 2016, 10(3): 1133-1137. doi: 10.12030/j.cjee.20160321
shu
Zhou Jun, Wei Qun, Li Xiaowei, Chen Yanfei, Tu Xiaojie. Study on adsorption/absorption of phosphorous by algal biofilm[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1133-1137. doi: 10.12030/j.cjee.20160321
Citation: Zhou Jun, Wei Qun, Li Xiaowei, Chen Yanfei, Tu Xiaojie. Study on adsorption/absorption of phosphorous by algal biofilm[J]. Chinese Journal of Environmental Engineering, 2016, 10(3): 1133-1137. doi: 10.12030/j.cjee.20160321
shu

藻类膜对磷的吸附/吸收行为研究

  • 1. 广西大学环境学院, 南宁 530004
  • 收稿日期:  2015-01-28
基金项目:

国家自然科学基金资助项目(51269002)

摘要: 在光照强度约4000 lx及温度28℃条件下,将水华鱼腥藻(Anabaena flos-aquae)和斜生栅藻(Scenedesmus obliqnus)附着在弹性聚氯乙烯载体上形成藻类膜,研究藻细胞在富磷环境(约为2 mg/L)中对磷的短期吸收过程,分析基质中磷、藻细胞总磷及表面吸附磷的迁移变化特征。结果表明:水华鱼腥藻和斜生栅藻细胞总磷含量在稳定时分别为0.96和0.85 mg/mg(以chla计);藻细胞表面对磷的吸附在240 min时达到平衡,其中水华鱼腥藻吸附量占细胞总磷(包括表面吸附磷和细胞内磷)的28.1%,斜生栅藻则为23.5%。根据吸附模型拟合结果,藻细胞表面对磷的吸附符合Langmuir吸附等温式。

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