Microbial Requirements for in Situ Biotreatment of Explosives PDF Download
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Author:
Publisher:
ISBN:
Category : Explosives
Languages : en
Pages : 52
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Book Description
Author:
Publisher:
ISBN:
Category : Explosives
Languages : en
Pages : 52
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Book Description
Author: Douglas Gunnison
Publisher:
ISBN:
Category : Explosives
Languages : en
Pages : 0
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Book Description
The biological destruction of explosives in soil depends upon several factors in addition to the presence of suitable microorganisms or microbial consortia. Successful bioremediation requires sufficient moisture, nutrients, and co-substrates (additives) at optimal concentrations. Enhancement of bioavailability by stimulating increased desorption of the contaminant from soils may also be required. Objectives of this study were to develop simple tests to determine the chemical compounds required to stimulate TNT destruction by native microorganisms and the specific combination of additives required to support the most efficient destruction of TNT under static conditions simulating surface application of additives in the field. A three-tiered test system was developed to meet these objectives. Tier I consisted of a previously developed screening test; this was used to determine the presence of TNT-degrading microorganisms and cosubstrates required to support microbial degradation. Tier II consisted of a shake flask test that was developed to determine the combinations of nutrients, cosubstrates, and/or surfactants required to enhance TNT removal with minimal production of undesirable products. Results of shake flask tests indicated that low levels of nutrients generally enhanced the number of microorganisms while supporting and stimulating the treatment process. High levels of nutrients sometimes (Continued) stimulated, but at other times inhibited, growth and treatment. Addition of the surfactant Tween SO sometimes stimulated treatment. Addition of the cosubstrates toluene or acetate sometimes inhibited growth slightly when used with nutrients, but inhibition was commonly offset when Tween SO was used in combination with the cosubstrates.
Author:
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ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309048966
Category : Science
Languages : en
Pages : 225
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Book Description
In situ bioremediationâ€"the use of microorganisms for on-site removal of contaminantsâ€"is potentially cheaper, faster, and safer than conventional cleanup methods. But in situ bioremediation is also clouded in uncertainty, controversy, and mistrust. This volume from the National Research Council provides direction for decisionmakers and offers detailed and readable explanations of: the processes involved in in situ bioremediation, circumstances in which it is best used, and methods of measurement, field testing, and modeling to evaluate the results of bioremediation projects. Bioremediation experts representing academic research, field practice, regulation, and industry provide accessible information and case examples; they explore how in situ bioremediation works, how it has developed since its first commercial use in 1972, and what research and education efforts are recommended for the future. The volume includes a series of perspective papers. The book will be immediately useful to policymakers, regulators, bioremediation practitioners and purchasers, environmental groups, concerned citizens, faculty, and students.
Author: Shree Nath Singh
Publisher: Springer Science & Business Media
ISBN: 3319010832
Category : Science
Languages : en
Pages : 406
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Book Description
Microbial degradation, Phytoremediation, Remediation, Explosive residues, Biotransformation, Mineralization, Degradative Enzymes, Degradation Pathways, Energetics, Soil contamination, Water contamination.
Author:
Publisher:
ISBN:
Category : Explosives, Military
Languages : en
Pages : 58
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Book Description
Author:
Publisher: DIANE Publishing
ISBN:
Category : In situ bioremediation
Languages : en
Pages : 152
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Book Description
Author: Javid A. Parray
Publisher: John Wiley & Sons
ISBN: 1119547954
Category : Science
Languages : en
Pages : 372
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Book Description
SOIL BIOREMEDIATION A practical guide to the environmentally sustainable bioremediation of soil Soil Bioremediation: An Approach Towards Sustainable Technology provides the first comprehensive discussion of sustainable and effective techniques for soil bioremediation involving microbes. Presenting established and updated research on emerging trends in bioremediation, this book provides contributions from both experimental and numerical researchers who provide reports on significant field trials. Soil Bioremediation instructs the reader on several different environmentally friendly bioremediation techniques, including: Bio-sorption Bio-augmentation Bio-stimulation Emphasizing molecular approaches and biosynthetic pathways of microbes, this one-of-a-kind reference focuses heavily on the role of microbes in the degradation and removal of xenobiotic substances from the environment and presents a unique management and conservation perspective in the field of environmental microbiology. Soil Bioremediation is perfect for undergraduate students in the fields of environmental science, microbiology, limnology, freshwater ecology and microbial biotechnology. It is also invaluable for researchers and scientists working in the areas of environmental science, environmental microbiology, and waste management.
Author: Robert L. Irvine
Publisher: CRC Press
ISBN: 9781566765305
Category : Science
Languages : en
Pages : 742
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Book Description
FROM THE INTRODUCTION This three-volume series, Bioremediation: Principles and Practice, provides state of the art description of advances in pollution treatment and reduction using biological means; identify and address, at a fundamental level, broad scientific and technological areas that are unique to the subject or theme and that must be understood if advances are to be made; and provide a comprehensive overview of new developments at the regulatory, desk-top, bench-scale, pilot scale, and full-scale levels. The series covers all media-air, water, and soil/sediment-and blends the talents, knowledge, and know-how of academic, industrial, governmental, and international contributors. The series addresses the removal of both hazardous and nonhazardous contaminants from the liquid, solid, and gas phase using biological processes. This includes the biological treatment of wastes of municipal and industrial origin; bioremediation of leachates, soils, and sediments; and biofiltration for contaminated gases.
Author: Robert E. Hinchee
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 290
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Book Description
An international group of researchers and engineers discuss using natural attenuation to degrade contaminants and thereby remediate soils and groundwater. This volume describes laboratory studies and field demonstrations in support of subsurface remediation at military, manufactured gas plant, landfill, petroleum spill, and other sites. The contaminants of concern include benzene, toluene, ethyl-benzene, and xylenes (BTEX); naphthalene; trichloroethene; trichlorethane; and perchloroethylene. Analytical methods for assessing the potential for natural attenuation (passive bioremediation) at a given site and for confirming and documenting efficacy are discussed.
