Anaerobic oxidation of methane coupled to sulphate reduction and denitrification mediated by ANME-2a/SRB PDF Download
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Author: A. Janas
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: A. Janas
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Chiara Cassarini
Publisher: CRC Press
ISBN: 042982730X
Category : Science
Languages : en
Pages : 176
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Book Description
This research investigated new approaches to control anaerobic methane oxidation coupled to sulfate reduction (AOM-SR) and enrich anaerobic methanotrophs (ANME) and sulfate reducing bacteria (SRB) with the purpose of designing a suitable bioreactor for AOM-SR at ambient pressure and temperature. The current knowledge about AOM and the microorganisms involved in AOM are discussed. The effect of different substrates and pressures was investigated on the ANME and SRB community adapted to the shallow marine Lake Grevelingen, the Netherlands. Further, microorganisms from the Alpha Mound (Spain) deep sediment were enriched with methane gas as substrate in biotrickling filters (BTF) at ambient conditions for 147-230 days of operation. The effect of alternative sulfur compounds (sulfate, thiosulfate and elemental sulfur) were studied and the microbial community was characterized. The highest AOM and sulfate reduction rates were obtained in the BTF fed with thiosulfate as the electron acceptor (~0.4 mmol l-1 day-1), but the highest number of ANME was visualized in the sulfate fed BTF (ANME-2 43% of the total visualized archaea). A BTF was proposed as a suitable bioreactor for the enrichment of ANME and SRB at ambient pressure and temperature which could be potentially used for future biotechnological applications.
Author: Roel Johannes Wilhelmus Meulepas
Publisher:
ISBN: 9789085853978
Category :
Languages : en
Pages : 173
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Author: Yu Hou
Publisher:
ISBN:
Category :
Languages : en
Pages : 69
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Methane can be a potentially inexpensive, widely available electron donor for biological denitrification of wastewater, landfill leachate or drinking water, while no studies have clearly shown nitrate reduction to nitrogen gas. Recently anaerobic methane oxidation (AMO) coupled to partial denitrification (nitrite to nitrogen gas) was found by several studies. A microbial consortium, enriched from anoxic sediments, oxidized methane to carbon dioxide coupled to denitrification in the complete absence of oxygen, though the rates and pathways of AMO coupled to denitrification are still poorly understood. In this study, direct AMO coupled to denitrificaiton of nitrate was proved to be possible and its kinetic parameters were experimentally determined.
Author: 白亚南
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 140
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Author: Astrid Sigel
Publisher: John Wiley & Sons
ISBN: 0470028122
Category : Science
Languages : en
Pages : 728
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Book Description
Helmut Sigel, Astrid Sigel and Roland K.O. Sigel, in close cooperation with John Wiley & Sons, launch a new Series “Metal Ions in Life Sciences”. The philosophy of the Series is based on the one successfully applied to a previous series published by another publisher, but the move from “biological systems” to “life sciences” will open the aims and scope and allow for the publication of books touching on the interface between chemistry, biology, pharmacology, biochemistry and medicine. Volume 2 focuses on the vibrant research area concerning nickel as well as its complexes and their role in Nature. With more than 2,800 references and over 130 illustrations, it is an essential resource for scientists working in the wide range from inorganic biochemistry all the way through to medicine. In 17 stimulating chapters, written by 47 internationally recognized experts, Nickel and Its Surprising Impact in Nature highlights critically the biogeochemistry of nickel, its role in the environment, in plants and cyanobacteria, as well as for the gastric pathogen Helicobacter pylori, for gene expression and carcinogenensis. In addition, it covers the complex-forming properties of nickel with amino acids, peptides, phosphates, nucleotides, and nucleic acids. The volume also provides sophisticated insights in the recent progress made in understanding the role of nickel in enzymes such as ureases, hydrogenases, superoxide dismutases, acireductone dioxygenases, acetyl-coenzyme A synthases, carbon monoxide dehydrogenases, methyl-coenzyme M reductases...and it reveals the chaperones of nickel metabolism.
Author: Melissa Adams
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Microorganisms are central to the cycling of methane on Earth. The anaerobic oxidation of methane (AOM) is a globally important process in anoxic marine sediments, which is often coupled to the reduction of sulfate by anaerobic methanotroph (ANME) archaea and sulfate reducing bacteria (SRB). However, the environmental and geochemical conditions that constrain these microbial communities remain largely uncharacterized. In this dissertation, I present evidence that methane and C2-C4 alkanes are substantial sources of metabolic energy in sedimented hydrothermal vent systems. Furthermore, these studies demonstrate that AOM and C2-C4 alkane oxidation linked to sulfate reduction (SR) are governed by temperature and substrate availability.
Author: Piet Lens
Publisher: IWA Publishing
ISBN: 1843391279
Category : Science
Languages : en
Pages : 512
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Book Description
The prevention of over-exploitation and the efficient use of natural resources are key goals of environmental managment in Industry. Waste Gas Treatment for Resource Recovery presents the reader with technical, ecological and economical aspects of gaseous effluent treatment and resource recovery. Practical experience from industry and agriculture is presented, the role of newly developed advanced technology in future recycling of gas streams discussed and attention given to criteria for sustainability in gas treatment. Detailed analysis of material flows, novel process applications and bioreactor designs, odour quantification and removal process techniques and European legislations for waste gas discharge and recovery are highlights of the extensive and comprehensive coverage of this book. Waste Gas Treatment for Resource Recovery will enable production, process and environmental engineers and managers to evaluate internal recycling possibilities, which contribute to an economically and environmentally friendly manufacturing processes with reduced pollution loads and waste gas volumes. Analysis of material flows, e.g. the development of methodologies and techniques to monitor the use and flow of materials on a life cycle basis Novel process applications and bioreactor designs for resource recovery from waste gases Odour quantification techniques and novel odour removal processes European dimension of polluted gas streams and the European legislation for waste gas discharges and recovery
Author: Alfons J. M. Stams
Publisher: Springer
ISBN: 9783319781075
Category : Science
Languages : en
Pages : 0
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Book Description
The book covers the microbiological, environmental and biotechnological aspects of alkane production. Alkanes are important energy-rich compounds on earth. Microbial synthesis of methane and other alkanes is an essential part of the geochemical cycling of carbon and offers perspectives for our biobased economy. This book discusses different aspects of current knowledge of microbial alkane production. Chapters with state of the art information are written by renowned scientists in the field. The chapters are organised into four themed parts:1. Biochemistry of Biogenesis - Hydrocarbons2. Taxonomy, Ecophysiology and Genomics of Biogenesis - Hydrocarbons3. Biogenic Communities: Members, Functional Roles4. Global Consequences of Methane Production
Author: Carlos Augustos de Lemos Chernicharo
Publisher: IWA Publishing
ISBN: 1843391643
Category : Science
Languages : en
Pages : 189
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Book Description
Anaerobic Reactors is the forth volume in the series Biological Wastewater Treatment. The fundamentals of anaerobic treatment are presented in detail, including its applicability, microbiology, biochemistry and main reactor configurations. Two reactor types are analysed in more detail, namely anaerobic filters and especially UASB (upflow anaerobic sludge blanket) reactors. Particular attention is also devoted to the post-treatment of the effluents from the anaerobic reactors. The book presents in a clear and informative way the main concepts, working principles, expected removal efficiencies, design criteria, design examples, construction aspects and operational guidelines for anaerobic reactors. About the series: The series is based on a highly acclaimed set of best selling textbooks. This international version is comprised by six textbooks giving a state-of-the-art presentation of the science and technology of biological wastewater treatment. Other titles in the series are: Volume 1: Waste Stabilisation Ponds; Volume 2: Basic Principles of Wastewater Treatment; Volume 3: Waste Stabilization Ponds; Volume 5: Activated Sludge and Aerobic Biofilm Reactors; Volume 6: Sludge Treatment and Disposal
