The book explains fundamental and advanced topics related to the field of membrane science including extensive coverage of material selection, preparation, characterization and applications of various membranes. The relevance of membranes to industries like textile, refinery, tannery, paper and pulp, sugar, pharmaceutical, biomedical, biotechnological, and food juice processing has been reported by citing examples of the membranes developed worldwide. Emphasis is also given to the low cost ceramic and stimuli responsive polymeric membranes and their applications made clearer by various case studies. Exercise problems and questionnaires are included at the end of each chapter.