(Left) Photo of the facility: Size, 18.5 m (W) × 5.0 m (D) × 8.1 m (H). (Right) Structure and reactor components: Materials used for liquid-phase components not shown in the figure include impervious graphite for electro-electrodialysis (EED) HI concentrators and heat exchangers, as well as fluoroplastic- and glass-linings for other components and lines.