Dr. Dan Bahadur Pal, Assistant Professor, Department of Chemical Engineering, Birla Institute of Technology, Mesra-835215, Ranchi, Jharkhand, India Dr. Pal has received his M. Tech and Ph.D. in the field of Chemical Engineering from Indian Institute of Technology (BHU) Varanasi, Uttar Pradesh, India. Before that, he has completed his B. Tech in Chemical Engineering from UPTU, Lucknow. Dr. Pal’s research interest is nano-technology, catalysis, energy and environment and waste Treatment with a special focus on developing process and materials by using waste as raw materials. He also prefers to work on bio-waste processing and value addition. Dr. Pal published more than 45 publications in reputed journals and books along with 14 book chapters and 4 book editing. Dr. Jay Mant Jha, Assistant Professor, Department of Chemical Engineering, Maulana Azad National Institute of Technology Bhopal, Madhya Pradesh, India Dr. Jha is a Chemical Engineering graduate with specialization in Industrial Pollution Abatement and Convective Heat Transfer. During his doctoral degree he has investigated ultrafast cooling technology for quality of steel improvement. His research interest includes nano-technology, catalysis, energy and environment, waste management and heat transfer with a special focus in developing process and materials by using waste as raw materials. He also prefers to work on bio-waste processing and value addition. In his research credit he has published more than 28 publications in reputed journals and book chapters.