The book discusses key aspects of microbial physiology, exploring the versatility of microorganism, their diverse metabolic activities and products. It divulges the role of industrial micro-organisms, and the technology required, in large-scale cultivation and isolation of fermentation products, and in pollution control. It investigates a wide range of established and novel industrial fermentation processes and microbial products including enzymes, foods, beverages, chemical feed stocks, fuels, bio-fertilizers and pharmaceuticals. This book, thus presents clearly and accurately all aspects of production and processing methods for microbial products of major economic, environmental, and social importance.