Aqueous Sulfate Separation by Crystallization of Sulfate–Water Clusters |
| |
| Authors: | Dr. Radu Custelcean Neil J. Williams Charles A. Seipp |
| |
| Affiliation: | 1. Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831‐6119 (USA)Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831‐6119 (USA);2. Chemical Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831‐6119 (USA);3. Department of Chemistry, The University of Tennessee, Buehler Hall 1420 Circle Dr., Knoxville, TN 37996‐1600 (USA);4. Department of Chemistry, The University of Texas at Austin, 1 University Station‐A5300, Austin, TX 78712‐0165 (USA) |
| |
| Abstract: | ![]()
An effective approach to sulfate separation from aqueous solutions is based on the crystallization of extended [SO4(H2O)52−]n sulfate–water clusters with a bis(guanidinium) ligand. The ligand was generated in situ by hydrazone condensation in water, thereby bypassing the need for elaborate syntheses, tedious purifications, and organic solvents. Crystallization of sulfate–water clusters represents an alternative approach to the now established sulfate separation strategies that involve encapsulation of the “naked” anion. |
| |
| Keywords: | Anionen Clusterverbindungen Guanidine Hydrate Hydrazone |
|
|
