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Exploitation of mussel byssus mariculture waste as a water remediation material

机译：贻贝海水养殖废弃物作为水质修复材料的开发

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摘要

Dye pollution represents an important environmental concern, especially from textile industries in the South of Asia. On the other hand, biomass accumulation derived from mussel processing in alimentary industries is also an environmental problem. In this research, these two environmental issues are addressed by proposing the reuse of mussel's protein anchoring threads, the byssus, as disposable material for dye water removal. The byssus was selected as substrate because it contains a distinctive variety of functional groups that can be exploited for diverse chemical interactions. This material was utilized in its native metaled state and in the de-metaled one, in order to study how the chemical state of the functional groups influences the adsorption properties of both anionic and cationic aromatic dyes. The results of comparative experiments of adsorption showed a higher uptake in the native metaled byssus for a model cationic dye, methylene blue, while the de-metaled byssus showed a higher uptake for a model anionic dye, Eosin Y. These results are considered in light of different uptake mechanisms, supported by the analyses of isotherm model parameters, in which diverse functional groups are involved as a function of substrate and dye chemical states.
机译：染料污染是一个重要的环境问题，尤其是来自亚洲南部的纺织工业。另一方面，在食品工业中贻贝加工产生的生物质积累也是一个环境问题。在这项研究中，通过提出将贻贝的蛋白质锚定线byssus用作染料去除水的一次性材料，来解决这两个环境问题。之所以选择“比索”作为底物，是因为它包含可以用于多种化学相互作用的独特的各种官能团。为了研究官能团的化学状态如何影响阴离子和阳离子芳族染料的吸附性能，使用了该材料的天然金属状态和脱金属状态。吸附比较实验的结果表明，对于天然阳离子模型染料亚甲基蓝，其在天然金属酚中的吸收较高，而在脱金属消化物中，对于模型染料曙红Y，则具有较高的吸收。等温模型参数的分析支持了不同的吸收机制，其中不同的官能团作为底物和染料化学状态的函数参与其中。

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