Swapnali Hazarika is a dedicated researcher in the field of separation science & technology, design of adsorbent, design of customized membrane, membrane separation study including chiral separations, biomolecule separations, gas separations, wastewater treatment etc. Her study also includes membrane-based isolation and purifications of natural products, biochemical reaction engineering and mechanism, kinetic analysis of reaction diffusion, modeling and simulation, QSAR-QSPR study etc.Achyut Konwar is a post-doctoral researcher in the Centre for Petroleum Research, CSIR – North East Institute of Science and Technology (NEIST). He received a MSc degree in Chemistry and MTech in Polymer Science and Technology. Dr Konwar has received his PhD degree in Chemistry. He is a passionate researcher in the field of polymeric hybrid materials. His research includes development of polymeric composites for different applications like packaging, membrane design, environmental remediation, biomedical, electronic etc.G Narahari Sastry is currently working as the Director of CSIR-North East Institute of Science and Technology, Jorhat. Prof. Sastry is a chemist, working in the interdisciplinary areas spanning chemistry, biology, modeling and informatics. Dr. Sastry has been effective in employing computational and theoretical methods to solve a problem in chemistry, biology and allied areas. These efforts are embedded not only to provide a robust platform for carrying out research in CADD but also to inculcate the culture of developing software packages.

• Chapter 1. An overview of membrane technology. Chapter 2. Novel membrane materials. Chapter 3. Membranes for natural gas processing. Chapter 4. Membrane for separation of olefin/paraffin. Chapter 5. Membrane-based separation of aromatics/aliphatic compounds. Chapter 6. Produced water characteristics in petroleum industries. Chapter 7. Produced Water Management. Chapter 8. Advancement of membrane technology for the separation of oil from oily wastewater in petroleum industry. Chapter 9. Membranes for removal of phenolic compounds from petroleum industry wastewater. Chapter 10. Removal of heavy metals from petroleum industry wastewater/sludge using membrane technology. Chapter 11. Enhanced Oil recovery. Chapter 12. Petroleum industry sulfur emission and removal using membrane technology. Chapter 13. Application of membrane technology in oil and gas fields. Chapter 14. Computational work on Designing of Membrane Materials useful for Petroleum Industry. Chapter 15. Future perspective of membrane technology in Petroleum Industry