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首页> 外文期刊>Desalination and water treatment >Biosorption of Indigo and Acid Yellow 2G (Y2G) dyes from aqueous solutions using a commercial powder form of ecologically pure Hawaiian Spirulina pacifica (HSP)
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Biosorption of Indigo and Acid Yellow 2G (Y2G) dyes from aqueous solutions using a commercial powder form of ecologically pure Hawaiian Spirulina pacifica (HSP)

机译：使用市售粉末形式的生态纯夏威夷螺旋藻（HSP）从水溶液中对靛蓝和酸性黄2G（Y2G）染料进行生物吸附

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摘要

This study focuses on the removal of commercial Acid Yellow 2G and Indigo dyes by using biosorbent Hawaiian Spirulina pacifica (HSP). It studies the effects of pH, the initial dye concentration, the biosorbent dose and the agitation speed and temperature, on the removal of dyes. Thermodynamic parameters indicated the exothermic and spontaneous characteristics of biosorption. Langmuir, Freundlich and Temkin adsorption isotherms were applied to examine the efficiency of HSP. Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) images proved moderate adsorption of dyes onto HSP. The results shows that this commercial, ecological, low-cost and natural nutrient biosorbent may be useful for the removal of toxic and hazardous textile dyes from aqueous solutions.
机译：这项研究的重点是通过使用生物吸附性夏威夷螺旋藻（HSP）去除商业酸性黄2G和靛蓝染料。它研究了pH，染料初始浓度，生物吸附剂剂量以及搅拌速度和温度对染料去除的影响。热力学参数表明生物吸附的放热和自发特性。用Langmuir，Freundlich和Temkin等温吸附线研究了HSP的效率。傅里叶变换红外光谱（FTIR）和扫描电子显微镜（SEM）图像证明染料对HSP的中等吸附。结果表明，这种商业，生态，低成本和天然养分生物吸附剂可能对从水溶液中去除有毒和有害的纺织品染料有用。

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