Eichrom`s Diphonix{reg_sign} resin: Production-scale applications in radioactive waste treatment and iron control in copper electrowinning
Conference
·
OSTI ID:560123
- Eichrom Industries, Inc., Darien, IL (United States)
- Univ. of British, Columbia, Vancouver (Canada)
- Argonne National Lab., Argonne, IL (United States)
Eichrom`s Diphonix{reg_sign} resin has been phased through synthetic scale-up, pilot testing, and production installation in radioactive waste treatment and hydrometallurgical applications. The geminal diphosphonic acid groups of Diphonix resin allow selective retention by cation-exchange and/or chelation. The resin is effective at low pH where sulfonic and carboxylic acid resins are ineffective. Diphonix resin has been used in nuclear facilities to reduce actinide concentrations in radioactive waste effluents and to reduce waste volumes. The high retention of iron(III) by Diphonix resin in acidic sulfate media has led to an installation capable of removing one ton of iron per day from a copper electrowinning stream. This iron control process diminishes cobalt losses in the electrowinning circuit and significantly reduces operating costs. The authors will discuss the development of these Diphonix resin applications.
- OSTI ID:
- 560123
- Report Number(s):
- CONF-970443--
- Country of Publication:
- United States
- Language:
- English
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