Written in Frank Spellman's trademark, engaging, and highly readable style, this book discusses issues facing the water/wastewater and desalination industries. It covers how reverse osmosis is used in drinking water purification from seawater as well as other industrial applications. By design, this text does not include an in-depth discussion of mathematics, engineering, chemistry, or biology. However, it does include numerous illustrations as well as an extensive glossary of terms and abbreviations for easy comprehension of concepts and processes, and for quick reference.