Dan Bahadur Pal (Author) Dr. Pal is currently working as an Assistant Professor, Department of Chemical Engineering, Harcourt Butler Technical University, Kanpur-208002, Uttar Pradesh India. He received his M. Tech and Ph.D. in the field of Chemical Engineering from the Indian Institute of Technology (BHU) Varanasi, Uttar Pradesh, India. Before that, he completed his B. Tech in Chemical Engineering from UPTU, Lucknow.

Dr. Pal's research interest is nano-technology, catalysis, energy and environment and waste management with a special focus on developing processes and materials by using waste as raw materials. He also prefers to work on bio-waste processing and value addition. Dr. Pal has published more than 94 publications in reputed journals and books along with 53 book chapters and 11 edited books. Ashish Kapoor (Author) Dr. Ashish Kapoor currently works in the Department of Chemical Engineering, Harcourt Butler Technical University, Kanpur, India. He received his B.

Tech and M. Tech degrees in Chemical Engineering from the Indian Institute of Technology Madras, Tamil Nadu, India. He received his doctorate in Chemical Engineering from the University of Illinois at Urbana-Champaign, USA. His research interests include environmental remediation, microfluidic sensors for water quality monitoring, transport processes, modelling and simulation. He has published more than 45 publications in reputed journals and 10 book chapters. He has been granted one patent.