Relating Release And Biodegradation Kinetics In Soils Containing Aged Mixtures Of Hydrocarbons

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Relating Release And Biodegradation Kinetics In Soils Containing Aged Mixtures Of Hydrocarbons

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Author : Derek Guthrie Williamson
language : en
Publisher:
Release Date : 1998

Relating Release And Biodegradation Kinetics In Soils Containing Aged Mixtures Of Hydrocarbons written by Derek Guthrie Williamson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Hydrocarbons categories.

Biodegradation Kinetics Of Petroleum Hydrocarbons In Immobilized Soil Bioreactor

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Author : Azadeh Kermanshahi pour
language : en
Publisher:
Release Date : 2004

Biodegradation Kinetics Of Petroleum Hydrocarbons In Immobilized Soil Bioreactor written by Azadeh Kermanshahi pour and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with categories.

Biodegradation Kinetics Of Polycyclic Aromatic Hydrocarbons In Soil Slurry And Soil Column Reactors

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Author : Jicheng Guo
language : en
Publisher:
Release Date : 1998

Biodegradation Kinetics Of Polycyclic Aromatic Hydrocarbons In Soil Slurry And Soil Column Reactors written by Jicheng Guo and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.

American Doctoral Dissertations

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Author :
language : en
Publisher:
Release Date : 1998

American Doctoral Dissertations written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Dissertation abstracts categories.

Assessment Of Surfactant Enhanced Bioremediation Of Soils Containing Strongly Sorbing Hydrocarbons

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Author :
language : en
Publisher:
Release Date : 1997

Assessment Of Surfactant Enhanced Bioremediation Of Soils Containing Strongly Sorbing Hydrocarbons written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.

Biodegradation of phenanthrene was studied in soil slurry reactors in the presence and absence of a surfactant solution. Results showed that the presence of surfactants slowed the initial biodegradation rate of phenanthrene, but increased the total mass of phenanthrene degraded over a four day period by 30%. A mathematical model was developed to simulate the dynamics of the biodegradation of low solubility hydrocarbons in the presence of soils and surfactants. Processes such as the desorption kinetics of the hydrocarbon from soil, the sorption of the surfactant onto soil and its effect on the sorption of the hydrocarbon, and the bioavailability of the hydrocarbon in different phases of the system are included in the model formulation. The experimental results were measured independently. The model was used to investigate the effect on the overall biodegradation of phenanthrene due to different operating conditions. simulation results showed that there is a system-specific optimum surfactant concentration, above which bioremediation is hindered.

Assessment Of Biodegradation And Associated Kinetics Of Polycylic Aromatic Hydrocarbon Contaminated Soils

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Author : Rino Srivastava
language : en
Publisher:
Release Date : 1997

Assessment Of Biodegradation And Associated Kinetics Of Polycylic Aromatic Hydrocarbon Contaminated Soils written by Rino Srivastava and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Civil engineering categories.

Plant Enhanced Biodegradation Of Petroleum Hydrocarbons In Soil

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Author :
language : en
Publisher:
Release Date : 2009

Plant Enhanced Biodegradation Of Petroleum Hydrocarbons In Soil written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Biodegradation categories.

Hydrocarbons in soil may assert acute or chronic impacts to plants, animals and microbial processes if contacted. These have raised political and scientific concerns. Consequential research efforts corroborated that constitutive microorganisms contact the compounds for their metabolic activities. This may result in mineralisation, transformation and/or detoxification (biodegradation) of the compounds. Hydrocarbon biodegradation is relatively cost-effective and ecological, but often marred with limited availability to plant or animal cells (bioavailability) for metabolism. Several authors reported that growth of some plants or administration of requisite rootexudates into soil with hydrocarbons often increases hydrocarbon bioavailability for enhanced biodegradation. However, development of knowledge about this respite from plants is often founded on impacts of plants on single dose or selected mixture of hydrocarbons in soils or culture solutions. These do not; and cannot represent the heterogeneous complex mixture of numerous organic and inorganic compounds in soils where plants grow naturally. In this study, synthetic root-exudates, seedlings of lupin and ryegrass were applied separately into respective soils that were contaminated with aged and/or fresh petroleum hydrocarbons. Individual impacts of the treatments on bulk hydrocarbon concentrations, rate of microbial respiration and total numbers of culturable bacterial colonies in the soils were investigated. Results suggested that application of lupin, ryegrass or synthetic root-exudates into the soils significantly (p ≤ 0.05) induced reduction or upsurge of hydrocarbon biodegradation end-points relative to the type and concentration of hydrocarbons in soil. Thus, it is inferred that growth of plants or administration of root-exudates into hydrocarbon contaminated soils could result in enhanced biodegradation of hydrocarbons in soil.

In Situ And On Site Bioremediation

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Author : Bruce C. Alleman
language : en
Publisher:
Release Date : 1997

In Situ And On Site Bioremediation written by Bruce C. Alleman and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Technology & Engineering categories.

Topics include: Vol.

Advances In The Characterisation And Remediation Of Sites Contaminated With Petroleum Hydrocarbons

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Author : Jonás García-Rincón
language : en
Publisher: Springer Nature
Release Date : 2023-11-22

Advances In The Characterisation And Remediation Of Sites Contaminated With Petroleum Hydrocarbons written by Jonás García-Rincón and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-22 with Science categories.

This open access book synthesizes important advances in the assessment and management of soil and groundwater systems contaminated with petroleum hydrocarbons, especially in the form of light non-aqueous phase liquids (LNAPLs). LNAPL characterization and remediation is challenging due to the multi-phase, multi-component nature of the problem and the various physical, chemical, and biological processes involved in a dynamic and heterogeneous hydrogeological setting. This book focuses on the current state of practice of LNAPL characterization and remediation and seeks to provide information and a framework that would allow some of these complexities to be better addressed by contaminated land practitioners, researchers, and regulators.

Cellular Ecophysiology Of Microbe

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Author : Tino Krell
language : en
Publisher: Springer
Release Date : 2018-03-24

Cellular Ecophysiology Of Microbe written by Tino Krell and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-24 with Science categories.

This book assembles concisely written chapters by world-leaders in the field summarizing recent advances in understanding microbial responses to hydrocarbons. Subjects treated include mechanisms of sensing, hydrocarbon tolerance and degradation as well as an overview on hydrophobic modification of biomolecules. Other chapters are dedicated to issues related to the reduced bioavailability of hydrocarbons, which differentiates this class of compounds form many others, but which of central importance to understand the ecophysiological consequences. This book should be standard literature in any laboratory working in this area.