Supported liquid membranes (SLMs) are very effective for the removal and recovery of metals form waste waters and process streams since they combine extraction and stripping, into one step. The one-step membrane process provides the maximum driving force for the separation of a targeted metal, leading to the best possible clean-up and recovery rates. The stability of the SLM has been ensured with strip dispersion, where the aqueous strip solution is dispersed in the organic membrane solution in a mixer.
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