A review on emulsion liquid membrane (ELM) for the treatment of various industrial effluent streams

  • Anil Kumar
  • Avinash ThakurEmail author
  • Parmjit Singh Panesar
Review paper


The excessive release of toxic metal ions by the several industrial effluent streams into the environment has imposed a serious threat to the ecological system. Therefore, the removal of these toxic metal ions from the wastewater of various industrial effluent streams has received a considerable amount of interest and also currently becoming an imperative area of research. Since last few decades, ELM based separation processes have been become an attractive and efficient way for the removal of toxic metal ions, organic and inorganic acids, and industrial pollutants of the various aqueous waste effluent streams. ELM is an emerging alternative technique to the conventional solvent extraction processes with an additive advantage of low solvent inventory and energy requirements. Moreover, it also preconcentrates the solute by performing both extraction and stripping operations simultaneously in a single unit. The main aim of this review paper is to elucidate the comprehensive review on the ELM (its pertinent properties/characteristics), its membrane phase compositions, its stability, and its process parameters respectively and also to delineate the applications of this technique for the removal of various low concentrated solutes.


Industrial effluent streams Emulsion liquid membrane Stability Organic phase 



Poly ethylene–propylene diene monomer




Glycerol monostearate


Tri-butyl phosphate


Tri-n-octylphosphine oxide


Revolution per minute






Tri-n-octylmethylammonium chloride





Authors are grateful to Sant Longowal Institute of Engineering and Technology, Longowal, India for providing the lab facilities and all necessary help to perform the related literature survey and research work.


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© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.Research Laboratory-III, Department of Chemical EngineeringSant Longowal Institute of Engineering and TechnologyLongowalIndia
  2. 2.Food Biotechnology Research Laboratory, Department of Food Engineering and TechnologySant Longowal Institute of Engineering and TechnologyLongowalIndia

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