"Version: 20231101"--Title page verso.Includes bibliographical references.part I. Background information. 1. General introduction -- 1.1. Introduction -- 1.2. Summarypart II. Understanding water treatment techniques. 2. Water treatment techniques -- 2.1. Wastewater treatment and water reuse technology -- 2.2. Desalination : overview, methods, and configurations -- 2.3. Summarypart III. Optimisa…