This book avails all new information regarding biomining, generation and treatment of leachate and heavy metal obtained from solid waste in a single platform. The academicians, researchers and students at master's & doctoral level will be able to understand the current trend in the field of landfill operations, which will help in their research areas in a better way. Construction of new landfills require huge monetary investments, which can be avoided, if old landfills were bio-mined for resources and the space is used as new landfill. The book will serve as an eye-opener for sustaining landfill operations. In this book, each chapter would provide the background, methodology and relevant calculations for landfill operations. Also, case studies based on good practices on landfilling is going to be discussed in this book.