Professor Parimal is currently serving as HAG Professor (Higher Administrative Grade) and the senior most professor in the Department of Chemical Engineering, National Institute of Technology Durgapur, A Govt. of India Autonomous Institute of National importance. A Master of Technology from the Department of Chemical Engineering, Indian Institute of Technology Kharagpur, he joined academia in 1990 with a few years field experience in Indian Oil Corporation Limited the most profitable and largest petroleum industry in India. He holds PhD degree from Jadavpur University, Kolkata. Professor Pal developed a dozen of membrane-based green technologies and software for chemical and allied process industries. He has already earned patent rights of half a dozen novel technologies and copyright of two process optimization and control software. Dr. Pal supervised around one and a half dozen doctoral and postdoctoral thesis work.

• 1. Introduction2. Chemical Treatment Technology3. Biological Treatment Technology4. Physicochemical Treatment Technology5. Water Treatment by Membrane-Separation Technology6. Industry-Specific Water Treatment: Case Studies7. Nanotechnology in Water Treatment8. Selection of Water-Treatment Technology9. Design and Construction of Water-Treatment Plants on Novel Technology10. Sustainable Water-Treatment Technology