1. Membrane Science and Separation Technology Division, Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), G. B. Marg, Bhavnagar, Gujarat 364002, India
2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
3. School of Materials Science and Technology, Indian Institute of Technology (BHU), Varanasi 221 005, India