XXIVth International Congress of Pure and Applied Chemistry, contains lectures presented at the XXIVth International Congress of Pure and Applied Chemistry held at Hamburg, Federal Republic of Germany in September 1973. The book consists of papers discussing a wide range of subjects on pure and applied chemistry. The compendium has papers that deal with methods for the treatment of waste water in theory and practice, combined chemical-biological treatment studies, adsorption and membrane processes. Chemists will find the book highly informative.