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应用生态学报 ›› 2004, Vol. ›› Issue (1): 116-118.

• 研究论文 • 上一篇    下一篇

有机改性膨润土去除赤潮生物的初步研究

邓岳松1, 许梓荣2, 夏枚生2, 叶瑛2, 胡彩虹2   

  1. 浙江大学饲料科学研究所, 杭州, 310029
  • 收稿日期:2002-05-04 修回日期:2003-01-13
  • 通讯作者: 邓岳松,男,1967年生,博士,副研究员,主要从事水生生物学研究.Tel:13326488973,E-mail:dys001@163.net.
  • 基金资助:
    国土资源部非传统矿产资源开放实验室资助项目(200102)

Removal of red tide organisms by organo-modified bentonite

DENG Yuesong1, XU Zirong2, XIA Meisheng2, YE Ying2, HU Caihong2   

  1. Feed Science Institute of Zhejiang University, Hangzhou 310029, China
  • Received:2002-05-04 Revised:2003-01-13

摘要: 制备了有机膨润土并考察其对中肋骨条藻的去除效果,对中肋骨条藻去除效果是溴化十六烷基三甲铵改性的铁柱撑膨润土>溴化四甲基胺改性的铁柱撑膨润土>铁柱撑膨润土>溴化十六烷基三甲铵改性的钠化膨润土>溴化四甲基胺改性的钠化膨润土>钠化膨润土.有机膨润土对赤潮生物的去除能力随改性剂用量增加而提高,但改性剂用量大于1.0CEC后,增加较少.

关键词: 改性膨润土, 去除效应, 铁, 溴化十六烷基三甲铵, 溴化四甲基胺

Abstract: A series of organo-bentonites were synthesized by exchanging cation surfactants such as cyltrimethylammonium bromide and cetyltrimethylammonium to remove red tide organisms Skeletonema costatum.The results showed that the removal rate of Skeletonema costatum by the bentonites was in the order of cyltrimethylammonium surfactant modified iron pillared bentonite>cetyltrimethylammoium surfactant modified iron pillared bentonite>iron pillared bentonite>cyltrimethylammonium surfactant modified sodium bentonite>cetyltrimethylammoium surfactant modified>sodium bentonite. The removal rate of Skeletonema costatum was related to the length of alkyl chains and the amount of cation surfactants exchanged on bentonites.

Key words: Modified bentonite, Remove efficiency, Iron, Cetyltrimethylammonium, Tetramethylammonium

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