Abstract：
The Liquid Organic Hydrogen Carrier (LOHC) technology offers a technically attractive way for hydrogen storage. If LOHC systems were to fully replace liquid fossil fuels, they would need to be handled at the multi-million tonne scale. To date, LOHC systems on the market based on toluene or benzyltoluene still offer potential for improvements. Thus, it is of great interest to investigate potential LOHCs that promise better performance and environmental/human hazard profiles. In this context, we investigated the acute aquatic toxicity of oxygen-containing LOHC (oxo-LOHC) systems. Toxic Ratio (TR) values of oxo-LOHC compounds classify them baseline toxicants (0.1 < TR < 10). Additionally, the mixture toxicity test conducted with D. magna suggests that the overall toxicity of a benzophenone-based system can be accurately predicted using a concentration addition model. The estimation of bioconcentration factors (BCF) through the use of the membrane-water partition coefficient indicates that oxo-LOHCs are unlikely to be bioaccumulative (BCF < 2000). None of the oxo-LOHC compounds exhibited hormonal disrupting activities at the tested concentration of 2 mg/L in yeast-based reporter gene assays. Therefore, the oxo-LOHC systems seem to pose a low level of hazard and deserve more attention in ongoing studies searching for the best hydrogen storage technologies.
摘要：
液态有机氢载体（LOHC）技术提供了一种具有技术吸引力的储氢方式。如果LOHC系统完全取代液体化石燃料，它们需要以数百万吨的规模处理。迄今为止,基于甲苯或苄基甲苯的市场上的LOHC系统仍然提供改进的潜力。因此，研究潜在的可保证更好性能和环境/人类危害的LOHC是非常有意义的。在这种情况下，我们研究了含氧LOHC（oxo-LOHC）系统的急性水生毒性。氧代-LOHC化合物的毒性比(TR)值将它们分类为基线毒物(0.1
