1. C.H. Muendel and W.A Selke, “Continuous Ion Exchange with an Endless Belt of Phosphorylated Cotton,” Industrial and Engineering Chemistry, 47 (3) (1955), pp. 374–379.
2. William Hunter, Australian patent WO 82/01196 (1982).
3. Metal Removal Systems, product data sheet, PCK Technology Division (New York: Kollmorgen Corporation).
4. D.A Brown et al., “Continuous Belt Ion Exchanger: Chromate Removal from Cooling Tower Blowdown Waters,” Applied Polymer Symposia (29) (1976), pp. 18–198.
5. JA Omgbu and V.l. lweanya, “Dynamic Sorption of Pb2+ and Zn2+ Ions with Palm (Elaesis Guineesis) Kernel Husk,” J. Chemical Educ., 67 (9) (1990), pp. 800–801.