Table of Contents: Introduction, D.G. Rao, R. Senthilkumar, J.A. Byrne, and S. Feroz; Solar Photo-Fenton as Advanced Oxidation Technology for Water Reclamation, Sixto Malato Rodríguez, Nikolaus Klamerth, Isabel Oller Alberola, and Ana Zapata Sierra; Solar Photocatalytic Treatment of Wastewater, J.A. Byrne and P. Fernández-Ibáñez; Advanced Oxidation Processes: Basics and Applications, Rakshit Ameta, Anil Kumar, P. B. Punjabi, and Suresh C. Ameta; Impinging-Jet Ozone Bubble Column Reactors, Mahad S. Baawain Biological Treatment of Wastewaters: Recent Trends and Advancements, K. Vijayaraghavan; Removal of Heavy Metals by Seaweeds in Wastewater Treatment, R. Senthilkumar, M. Velan, and S. Feroz; Microbial Treatment of Heavy Metals, Oil and Radioactive Contamination in Wastewaters, Sourish Karmakar, Arka Pravo Kundu, Kanika Kundu, and Subir Kundu; Anaerobic Wastewater Treatment in Tapered Fluidized Bed Reactor, R. Parthiban; Treatment of Effluent Waters in Food Processing Industries, D. G. Rao, N. Meyyappan, and S. Feroz; Removal of Lower-Molecular-Weight Substances from Water and Wastewater: Challenges and Solutions, V. Jegatheesan, J. Virkutyte, L. Shu, J. Allen, Y. Wang, E. Searston, Z. P. Xu, J. Naylor, S. Pinchon, C. Teil, D. Navaratna, and H. K. Shon; Treatment and Reuse Potential of Graywater from Urban Households in Oman, Mushtaque Ahmed, Abdullah Al-Buloshi, and Ahmed Al-Maskary; Anaerobic Fixed Bed Reactor for Treatment of Industrial Wastewater, Joseph V. Thanikal; Index