Microbial Stabilization of Lotic Fine Sediments PDF Download
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Author: Holger Schmidt
Publisher:
ISBN: 9783942036627
Category :
Languages : en
Pages :
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Author: Holger Schmidt
Publisher:
ISBN: 9783942036627
Category :
Languages : en
Pages :
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Author: Sabine Ulrike Gerbersdorf
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Amy Polaczyk
Publisher:
ISBN:
Category :
Languages : en
Pages :
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The sediment to a pH of 12 and maintain for 2 hours. The US EPA asserts that this method is at least 99% effective at reducing organisms in biosolids. The goal of this study was to determine if the use of alkaline stabilization reduces the amount of microorganisms in sediments obtained from a freshwater stream. Measurements of heterotrophic bacteria, total fungi, Bacillus cereus, Escherichia coli, and total coliforms were used to assess the effectiveness of alkaline stabilization of sediments. It was determined that the amount of microorganisms in the sediment after treatment with hydrated lime and lime kiln dust was reduced, but the decrease was not 99% for all the indicator organisms as predicted by the US EPA guidance for biosolids. Heterotrophs, E. coli, and total coliforms were reduced by greater than 99%, but fungi were only reduced 86.5% and the opportunistic pathogen Bacillus cereus was only reduced by 75%.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 4
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Our goal is to understand how microbial behavior influences the mechanical stability of illuminated littoral marine sediments. We define "behavior" as the interaction of bacteria and diatoms with environmental signals that are either auto-produced, or arise from another source. A further goal is to investigate whether these processes, which define sediment optical signatures, can be influenced by anthropogenic intervention. Our objectives are to isolate representative bacteria and diatoms from stabilized sediments and use these organisms in axenic and defined mixed cultures to examine the microbially-driven sediment aggregation process in vitro. The surficial chemistry necessary for adhesion is an important variable in sediment particle colonization by microorganisms. We will measure the influence of this parameter on the adhesion process as well as the possibility for cell/cell interaction in the attached cell layer.
Author: Richard P. J. Swannell
Publisher:
ISBN:
Category : Bioremediation
Languages : en
Pages : 62
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Author: Ann Marie Moore
Publisher:
ISBN:
Category : Marine sediments
Languages : en
Pages : 442
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Book Description
Author: Robert E. Riding
Publisher: Springer Science & Business Media
ISBN: 3662040360
Category : Science
Languages : en
Pages : 344
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Book Description
This volume provides a comprehensive overview of the rapidly developing field of microbial sediments, featuring excellent artwork. It contains authoritative and stimulating contributions by distinguished authors that cover the field and set the scene for future advances.
Author: P J. Wood
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Helen V. Lubarsky
Publisher:
ISBN:
Category : Biofilms
Languages : en
Pages : 404
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Author:
Publisher:
ISBN:
Category : Suspended sediments
Languages : en
Pages : 22
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