Selective Growth Of Type Ii Methanotrophic Bacteria In A Biological Fluidized Bed Reactor
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Selective Growth Of Type Ii Methanotrophic Bacteria In A Biological Fluidized Bed Reactor
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Author : Andrew Ross Pfluger
language : en
Publisher: Stanford University
Release Date : 2010
Selective Growth Of Type Ii Methanotrophic Bacteria In A Biological Fluidized Bed Reactor written by Andrew Ross Pfluger and has been published by Stanford University this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Type II methanotrophic bacteria are superior to Type I methanotrophs in accumulating polyhydroxybutyrate (PHB), a biodegradable alternative to polypropylene and other petro-chemical plastics, under nutrient limiting conditions. We evaluated the growth of Type I and Type II methanotrophs in a 15.2-liter bench-scale fluidized bed reactor (FBR) over a 270-day period. The aim was to identify operational characteristics and selection pressures that would favor Type II over Type I methanotrophs. The results indicate that Type II methanotrophs can be grown in an FBR under the appropriate conditions and that such a method may be a viable means of producing large quantities of biomass for PHB production.
Selective Growth Of Type Ii Methanotrophic Bacteria In A Biological Fluidized Bed Reactor
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Author : Andrew Ross Pfluger
language : en
Publisher:
Release Date : 2010
Selective Growth Of Type Ii Methanotrophic Bacteria In A Biological Fluidized Bed Reactor written by Andrew Ross Pfluger and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
Type II methanotrophic bacteria are superior to Type I methanotrophs in accumulating polyhydroxybutyrate (PHB), a biodegradable alternative to polypropylene and other petro-chemical plastics, under nutrient limiting conditions. We evaluated the growth of Type I and Type II methanotrophs in a 15.2-liter bench-scale fluidized bed reactor (FBR) over a 270-day period. The aim was to identify operational characteristics and selection pressures that would favor Type II over Type I methanotrophs. The results indicate that Type II methanotrophs can be grown in an FBR under the appropriate conditions and that such a method may be a viable means of producing large quantities of biomass for PHB production.
Optimization Of Biological Sulphate Reduction To Treat Inorganic Wastewaters
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Author : Joana Cassidy
language : en
Publisher: CRC Press
Release Date : 2020-04-27
Optimization Of Biological Sulphate Reduction To Treat Inorganic Wastewaters written by Joana Cassidy and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-04-27 with Technology & Engineering categories.
This work investigated two different approaches to optimize biological sulphate reduction in order to develop a process control strategy to optimize the input of an electron donor and to study how to increase the feasibility of using a cheap carbon source. Feast/famine regimes, applied to design the control strategy, were shown to induce the accumulation of storage compounds in the sulphate reducing biomass. This study showed that delays in the response time and a high control gain can be considered as the most critical factors affecting a sulphide control strategy in bioreactors. The delays are caused by the induction of different metabolic pathways in the anaerobic sludge, including the accumulation of storage products. On this basis, a mathematical model was developed and validated. This can be used to develop optimal control strategies. In order to understand the microbial pathways in the anaerobic oxidation of methane coupled to sulphate reduction (AOM-SR), diverse potential electron donors and acceptors were added to in vitro incubations of an AOM-SR enrichment at high pressure. Acetate was formed in the control group, probably resulting from the reduction of CO2. These results support the hypothesis that acetate may serve as an intermediate in the AOM-SR process.
Index Medicus
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Author :
language : en
Publisher:
Release Date : 2004
Index Medicus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Medicine categories.
Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.
Cumulated Index Medicus
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Author :
language : en
Publisher:
Release Date : 1999
Cumulated Index Medicus written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Medicine categories.
Biological Wastewater Treatment
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Author : C. P. Leslie Grady Jr.
language : en
Publisher: CRC Press
Release Date : 2011-05-09
Biological Wastewater Treatment written by C. P. Leslie Grady Jr. and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-05-09 with Technology & Engineering categories.
Following in the footsteps of previous highly successful and useful editions, Biological Wastewater Treatment, Third Edition presents the theoretical principles and design procedures for biochemical operations used in wastewater treatment processes. It reflects important changes and advancements in the field, such as a revised treatment of the micr
The Combined Sharon Anammox Process
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Author : L. G. J. M. van Dongen
language : en
Publisher: IWA Publishing
Release Date : 2001-09-30
The Combined Sharon Anammox Process written by L. G. J. M. van Dongen and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-09-30 with Science categories.
Wastewater treatment management, alongside many other industries, is seeking to attain a higher degree of sustainability for its processes by focusing on new technologies which minimise the consumption of resources or even recover them from the wastewater. Conventional removal of ammonium requires usually large amounts of energy for aeration and organic carbon for denitrification. This report focuses on making the nitrogen-removal process more sustainable. This can be achieved by a partial oxidation of ammonium to nitrite, after which the nitrate produced can be converted into nitrogen gas with the rest of ammonium under anoxic conditions. The treatment of nitrogen-rich water can be carried out beneficially by a combination of the Sharon process with the Anammox process. In this combined process less than 50% of the aeration energy is needed, no COD is required and an insignificant amount of sludge is produced. In this Report the potential of using this technology for the treatment of water arising from sludge treatment at a municipal wastewater treatment plant (WWTP) is evaluated and the results of the operation of the system are described in detail. This reject water contains a significant fraction of the N-load towards the wastewater treatment plant. The results are used in an economic evaluation of a potential full scale installation. The Combined Sharon/Anammox Process Report will provide an invaluable source of information for all those concerned with the efficient and sustainable treatment of wastewater including plant managers, process designers, consultants and researchers.
Biotechnology For Waste And Wastewater Treatment
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Author : Nicholas P. Cheremisinoff
language : en
Publisher: Elsevier
Release Date : 1997-12-31
Biotechnology For Waste And Wastewater Treatment written by Nicholas P. Cheremisinoff and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997-12-31 with Science categories.
This book examines the practices used or considered for biological treatment of water/waste-water and hazardous wastes. The technologies described involve conventional treatment processes, their variations, as well as future technologies found in current research. The book is intended for those seeking an overview to the biotechnological aspects of pollution engineering, and covers the major topics in this field. The book is divided into five major sections and references are provided for those who wish to dig deeper.
Modern Biooxidation
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Author : Rolf D. Schmid
language : en
Publisher: John Wiley & Sons
Release Date : 2007-09-24
Modern Biooxidation written by Rolf D. Schmid and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-24 with Science categories.
Filling a gap in the literature, leading expert editors and top international authors present the field of biooxidation from an academic and industrial point of view, taking many examples from modern pharmaceutical research. Topics range from the application of different monooxygenases to applications in the pharmaceutical industry, making this volume of high interest not only for those working in biotechnology but also for organic synthetic chemists, among others.
Activated Sludge 100 Years And Counting
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Author : David Jenkins
language : en
Publisher: IWA Publishing
Release Date : 2014-05-31
Activated Sludge 100 Years And Counting written by David Jenkins and has been published by IWA Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-31 with Science categories.
Activated Sludge - 100 Years and Counting covers the current status of all aspects of the activated sludge process and looks forward to its further development in the future. It celebrates 100 years of the Activated Sludge process, from the time that the early developers presented the seminal works that led to its eventual worldwide adoption. The book assembles contributions from renowned world leaders in activated sludge research, development, technology and application. The objective of the book is to summarise the knowledge of all aspects of the activated sludge process and to present and discuss anticipated future developments. The book comprises invited papers that were delivered at the conference "Activated Sludge...100 Years and Counting!", held in Essen, Germany, June 12th to 14th, 2014. Activated Sludge - 100 Years and Counting is of interest to researchers, engineers, designers, operations specialists, and governmental agencies from a wide range of disciplines associated with all aspects of the activated sludge process. Authors: David Jenkins, University of California at Berkeley, USA, Jiri Wanner, Institute of Chemical Technology, Prague, Czech Republic.