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The thermodynamic process of two macroalgae, Sargassum fusiforme and Lamin aria japonica, absorbing heavy, metal ions Cu^2 , Pb^2 , Cd^2 and Ni^2 . has been studied. The result indicates that the absorption isotherms of these two macroalgae clearly accord with the Landmuir adsorption model. The absorptive processes of S. fusiforme and L. japonica for Cu^2 are endothermal, and at 35℃, the adsorption heat of these two algae is 59.5kJ/mol and 76.8 kJ/mol respectively. Temperature could affect the algae‘s adsorption capacity. Their adsorption capacity increases with temperature (25℃ and 35℃). 相似文献
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Heavy Metal Biosorption Sites Studies of Laminaria japonica 总被引：1，自引：0，他引：1
The role played by the functional groups of Laminaria japonica treated by methanol and formaldehyde in biosorption of the heavy metals was investigated. Infrared spectroscopy analysis and biosorption experiments show that both carboxyl and amino groups join in the sorption; chemical treatment decreased the biosorption efficiency of the heavy metals. 相似文献
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海藻生物吸附金属离子技术的特点和功能 总被引：14，自引：1，他引：14
生物吸附技术是环境领域近年来迅速发展起来的处理工业污染废水的新技术。它以各种生物（菌类或藻类）吸附废水中的重金属离子，具有吸附容量大、选择性强、效率高、消耗少，并能有效地处理含低浓度重金属离子废水等优点。本文对国内外当前生物吸附金属离子技术的研究与应用进展作了综述，包括生物吸附技术的优越性，生物吸附剂的分类与来源，生物吸附的机理，影响生物吸附的因子，生物吸附剂的洗脱及固定化等问题。通过对这些工作的了解，使我们对方兴未艾的海藻生物吸附技术理论基础和实际应用研究有更确切的认识。这些理论基础研究工作为该项技术进一步研究发展打下了实际应用基础。 相似文献
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