1
Edwin P Ondrick: Apparatus for diffusion dialysis. Poly Plating, McCormick Paulding & Huber, August 29, 1995: US05445737 (7 worldwide citation)

A diffusion dialysis system for decontaminating acids containing metal ions is disclosed. The system includes a plurality of vertically stacked, horizontally disposed anion exchange cells. Each cell includes an anion exchange membrane adapted to permit the diffusion of anions and to block the diffus ...


2
Edwin P Ondrick: Apparatus for diffusion dialysis. Poly Plating, McCormick Paulding & Huber, June 8, 1993: US05217612 (3 worldwide citation)

Diffusion dialysis system which is decontaminated acids which have been contaminated with metal ions, such as during plating operations and the like. The system includes a plurality of vertically stacked, horizontally disposed anion exchange cells. Each cell includes the anion exchange membrane adap ...