Research / 2019 / Article / Fig 4

Research Article

Cyclic Ether Contaminant Removal from Water Using Nonporous Adaptive Pillararene Crystals via Host-Guest Complexation at the Solid-Solution Interface

Figure 4

Investigations on EtP5 and EtP6 adsorption of THF from water. (a) Time-dependent THF concentration change in D2O upon addition of EtP5α and EtP6β. (b) PXRD patterns: (I) simulated from single crystal structure of 2(THF)@EtP5 [28]; (II) EtP5α after filtration from a 0.500 mg mL−1 THF-D2O solution; (III) EtP5α. (c) Single crystal structures: 2(THF)@EtP5. (d) PXRD patterns: (I) EtP6β after filtration from a 1.00 mg mL−1 dioxane-D2O solution; (II) EtP6β after filtration from a 0.500 mg mL−1 THF-D2O solution; (III) EtP6β. (e) Schematic representation of EtP5α and EtP6β as absorbents to remove THF from water.