The research on the adsorption effect on metal ions by immobilized marine alage

WANG Xian; QIAN Ai-hong; QIU Hai-yuan; ZHENG Sheng-hua; CHEN Li-dan

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Article Navigation > Haiyang Xuebao > 2005 > 27(5): 126-130

WANG Xian, QIAN Ai-hong, QIU Hai-yuan, ZHENG Sheng-hua, CHEN Li-dan. The research on the adsorption effect on metal ions by immobilized marine alage[J]. Haiyang Xuebao, 2005, 27(5): 126-130.

Citation:

WANG Xian, QIAN Ai-hong, QIU Hai-yuan, ZHENG Sheng-hua, CHEN Li-dan. The research on the adsorption effect on metal ions by immobilized marine alage[J]. Haiyang Xuebao, 2005, 27(5): 126-130.

WANG Xian, QIAN Ai-hong, QIU Hai-yuan, ZHENG Sheng-hua, CHEN Li-dan. The research on the adsorption effect on metal ions by immobilized marine alage[J]. Haiyang Xuebao, 2005, 27(5): 126-130.

Citation:

WANG Xian, QIAN Ai-hong, QIU Hai-yuan, ZHENG Sheng-hua, CHEN Li-dan. The research on the adsorption effect on metal ions by immobilized marine alage[J]. Haiyang Xuebao, 2005, 27(5): 126-130.

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The research on the adsorption effect on metal ions by immobilized marine alage

College of Oceanogrophy and Environmental Science, Xiamen University, Xiamen 361005, China

Received Date: 2004-11-16
Rev Recd Date: 2005-04-14

Abstract

Abstract

The process of adsorption of Cu²⁺,Cd²⁺ by immobilized marine alage was investigated.It maybenoted from the results that,the process for bio-sorption of heavy metals(Cu,Cd) by imm obilized Laminaria japonica can be described by the Bangham model.The adsorption rate constant calculated is 0.1078 and 0.03028 min^-1 for Cu²⁺ and Cd²⁺ according to the model,respectively.The experimental biosorption equilibrium data for Cu²⁺ and Cd²⁺ are in good agreement with those calculated by the Langmuir model.The maxim umuptake capacity calculated is 83.3 and 112.4 mg/g for Cu²⁺ and Cd²⁺ according to the Lang muirmodel,respectively.The appetency of Laminaria japonica to Cu²⁺ is better than Cd²⁺.
- marine alage,
- desorption effect,
- metalion

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References(16)

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