Chitosan-Based Aerogel Membrane for Robust Oil-in-Water Emulsion Separation.
Here, we demonstrate direct recovery of water from stable emulsion waste using aerogel membrane. Chitosan-based gel was transformed into highly porous aerogel membrane using bio-origin genipin as cross-linking agent. Aerogel membranes were characterized for their morphology using SEM, chemical composition by FTIR and solid-UV. Further, aerogel was tested for recovery of high quality water from oil spill sample collected from ship breaking yard. High quality (with >99% purity) water was recovered with a flux rate of >600 L·m(-2)·h(-1)·bar(-1). After repeated use, aerogel membranes were tested for greener disposal possibilities by biodegrading membrane in soil.
Process Design and Engineering Division, CSIR-Central Salt & Marine Chemicals Research Institute , G. B. Marg, Bhavnagar-364002, Gujarat India.|AcSIR-Central Salt and Marine Chemicals Research Institute , G. B. Marg, Bhavnagar-364002, Gujarat India.
Jai Prakash
JP
Chaudhary
Process Design and Engineering Division, CSIR-Central Salt & Marine Chemicals Research Institute , G. B. Marg, Bhavnagar-364002, Gujarat India.|AcSIR-Central Salt and Marine Chemicals Research Institute , G. B. Marg, Bhavnagar-364002, Gujarat India.
Nilesh
N
Vadodariya
RO Membrane Division, CSIR-Central Salt & Marine Chemicals Research Institute , G. B. Marg, Bhavnagar-364002, Gujarat India.|AcSIR-Central Salt and Marine Chemicals Research Institute , G. B. Marg, Bhavnagar-364002, Gujarat India.
Sanna Kotrappanavar
SK
Nataraj
Process Design and Engineering Division, CSIR-Central Salt & Marine Chemicals Research Institute , G. B. Marg, Bhavnagar-364002, Gujarat India.|AcSIR-Central Salt and Marine Chemicals Research Institute , G. B. Marg, Bhavnagar-364002, Gujarat India.
Ramavatar
R
Meena
D001672:Biocompatible Materials / Q000737:chemistry; D048271:Chitosan / Q000737:chemistry*; D003432:Cross-Linking Reagents / Q000737:chemistry; D004655:Emulsions / Q000737:chemistry*; D008567:Membranes, Artificial; D008855:Microscopy, Electron, Scanning; D009821:Oils / Q000737:chemistry*; D059392:Petroleum Pollution; D011108:Polymers / Q000737:chemistry; D016062:Porosity; D013056:Spectrophotometry, Ultraviolet; D017550:Spectroscopy, Fourier Transform Infrared; D013818:Thermogravimetry; D062065:Wastewater; D014867:Water / Q000737:chemistry*; D018508:Water Purification / Q000379:methods
D001672:Biocompatible Materials; D048271:Chitosan; D003432:Cross-Linking Reagents; D004655:Emulsions; D008567:Membranes, Artificial; D009821:Oils; D011108:Polymers; D062065:Wastewater; D014867:Water
aerogel membrane; biopolymer; emulsion; oil−water separation; wastewater