There is now an increasing concern in many countries about pollution of land, water and the atmosphere by effluents from factories, farms and domestic sources, and the number of papers on digester feedstocks and effluents, on the design and running of digesters of all forms, and on the biochemistry, microbiology and theoretical aspects of digestion has increased exponentially. It seemed that it was time to review the developments in the theory and practice of digestion during the 1980s to give readers the basic facts about the process and to guide them to relevant papers from which they could proceed futher if needed. This book should be of interest to the microbiology and biochemistry student and lecturer in describing the application of microorganisms to what is still the largest biotechnology industry - waste treatment. The scientist working on one aspect of digestion should find information on other applications of the process and while engineering aspects are not dealt with in detail, the engineer should find information of use in design and running of parts.
Sprache
Verlagsort
Verlagsgruppe
Kluwer Academic Publishers Group
Zielgruppe
Für höhere Schule und Studium
Für Beruf und Forschung
Illustrationen
Maße
Höhe: 234 mm
Breite: 156 mm
Gewicht
ISBN-13
978-1-85166-958-5 (9781851669585)
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Schweitzer Klassifikation
Part 1 The microbiology and biochemistry of anaerobic digestion: general considerations; substrate degradations; physical factors; enumerating the bacteria; the breakdown of carbohydrates. Part 2 Mathematical models: the economic and engineering model; the biological model; general considerations; the stirred-tank digester; steady-state models. Part 3 Types of digesters and their construction: design and operation; sludge and slurry digesters; the contact digester; anaerobic filters; the upflow sludge blanket (UASB) digester. Part 4 Pretreatment of feedstocks: physical pretreatments; removal of digestible solids, or of liquids; removal of non-biodegradable solids; mainly biological pretreatments; particle-size reduction. Part 5 Digestion of high-solids feedstocks: simple and modified batch digesters; fed-batch digesters; continuous-flow stirred tanks; the climatically-heated, small-farm digester; the "standard" stirred-tank sewage digester. Part 6 Digestion of low-solids feedstocks: the "feedback" or "contact" digester; the anaerobic filter; the expanded- or fluidized-bed digester; baffled and similar upflow sludge-blanket digester; baffled and similar digesters. Part 7 Uses of digester products: use as fertilizer; animal feedstuffs; indirect use to produce animal or human feeds; biogas. Part 8 Running and control of digesters: safety; physical control systems; analytical control systems. Appendix: glossary of terms; types of digester; terms used in digester running; terms used in descriptions of wastes and their treatment.
