Scale-up and testing of a novel ion exchanger for strontium

Journal Article · Wed Jan 01 04:00:00 EST 1997 · Separation Science and Technology

DOI:https://doi.org/10.1080/01496399708003189· OSTI ID:471741

DeFilippi, I; Yates, S; Sedath, R ^[1]

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1. AlliedSignal Research and Technology, Des Plaines, IL (United States); and others

The preparation of sodium nonatitanate was successfully scaled up to the 10 kg scale. The resulting material is highly selective for strontium, especially in alkaline solutions, giving a distribution coefficient (K{sub d}) of 21,000 mL/g for strontium in a solution of 55 ppm Sr, 5 M NaNO{sub 3}, and 0.1 M NaOH. Column studies with pelletized sodium titanate show that this form has good mass transfer kinetics, and a high dynamic capacity for strontium (2.0 meq/g from a solution of 47 ppm Sr, 5 M NaNO{sub 3}, and 0.1 M NaOH). One of the highlights of this work is that this exchanger maintains its high selectivity for strontium in the presence of a variety of complexants.

• Sponsoring Organization: USDOE
• OSTI ID: 471741
• Report Number(s): CONF-951057--
• Journal Information: Separation Science and Technology, Journal Name: Separation Science and Technology Journal Issue: 1-4 Vol. 32; ISSN 0149-6395; ISSN SSTEDS
• Country of Publication: United States
• Language: English

Related Subjects

05 NUCLEAR FUELS
40 CHEMISTRY
CHEMICAL PREPARATION
ION EXCHANGE
ION EXCHANGE MATERIALS
KINETICS
RADIOACTIVE WASTE PROCESSING
SODIUM COMPOUNDS
SORPTIVE PROPERTIES
STRONTIUM
TITANATES