Materials for Selective and Sustainable HydroCarbon Removal from Water

我们建议开发和研究一种新型的高效无毒的碳氢化合物（hc）废水处理材料。根据提出的设计，这些材料将能够非常有效地吸附大多数类型的碳氢化合物，并具有与HC污染物的化学成分相关的可调偏好（例如烷烃，芳烃，氧或硫功能化或卤化碳氢化合物）。这一关键特征将通过特殊的功能分子来实现，这些功能分子在磁性纳米颗粒表面形成自组装的单层。对hc的吸附是可逆的，并致力于由SAM分子设计提供的非共价相互作用（范德华，氢键，偶极子，相互作用）。由于磁芯，通过简单地施加外部磁场，吸附的hc就可以从水中去除。这些特性可能使闭环过程具有完全回收hc和纳米颗粒的独特优势。我们期待的不仅仅是巨大的实际（经济，环境）相关性的结果，而不是对具有明确混合壳（二元，三元和四元组成）的核-壳纳米颗粒的新见解。我们的系统提供了一个完美的测试工具来研究在一个np表面上的SAM分子的正交功能，作为水基质中复杂混合物的相互作用表面。我们希望能产生新的设计策略，为倒置胶束系统，可以组成不同的分子在一个可靠的方式。

We propose to develop and to investigate a new efficient class of non-toxic materials for waste water treatment from hydrocarbons (HCs). Based on the proposed design, these materials will be able adsorb very efficiently most kind of hydrocarbons with adjustable preference related to the chemical composition of the HC contaminants (e.g. alkanes, aromatic-, oxo- or sulfur functionalized or halogenated hydrocarbons). This key feature will be realized by special functional molecules, which form a self-assembled monolayer on the surface of magnetic nanoparticles. The adsorption of HCs is reversible and dedicated to non-covalent interactions (van-der Waals, H-bonding, dipole, -interaction) provided by the molecular design of the SAM molecules. Due to the magnetic core, the adsorbed HCs become removable from water by simply applying an external magnetic field. These properties potentially enable a closed-loop process with the unique advantage of full recovery of the HCs and the nanoparticles. We do not expect only results of enormous practical (economical, environmental) relevance, rather than a new insight in to core-shell nanoparticles with defined mixed shells (binary, ternary and quaternary composition). Our system provides a perfect test vehicle to study even orthogonal functionality of SAM molecules on one NP-surface as interaction surface to complex mixtures chemical compounds in aqueous matrix. We hope to generate new design strategies for inverted micelle systems which can be composed of several different molecules in a reliable way.