Adsorbent for metal ions and method of making and using
Patent
·
OSTI ID:678567
A method comprises the step of spray-drying a solution or slurry comprising (alkali metal or ammonium) (metal) hexacyanoferrate particles in a liquid, to provide monodisperse, substantially spherical particles in a yield of at least 70 percent of theoretical yield and having a particle size in the range of 1 to 500 micrometers, said particles being active towards Cs ions. The particles, which can be of a single salt or a combination of salts, can be used free flowing, in columns or beds, or entrapped in a nonwoven, fibrous web or matrix or a cast porous membrane, to selectively remove Cs ions from aqueous solutions. 2 figs.
- Research Organization:
- Battelle Memorial Institute
- Sponsoring Organization:
- USDOE, Washington, DC (United States); Pacific Northwest Lab., Richland, WA (United States)
- DOE Contract Number:
- AC06-76RL01830; AR21-96MC33089
- Assignee:
- 3M Innovative Properties Co., St. Paul, MN (United States)
- Patent Number(s):
- US 5,935,380/A/
- Application Number:
- PAN: 8-918,113
- OSTI ID:
- 678567
- Country of Publication:
- United States
- Language:
- English
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