Colloid Mobilization and Transport in Contaminant Plumes PDF Download
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Author:
Publisher:
ISBN:
Category : Colloids
Languages : en
Pages : 40
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Book Description
Author: Fritz H. Frimmel
Publisher: Springer
ISBN: 9783642090479
Category : Science
Languages : en
Pages : 0
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Book Description
This book covers the basics of abiotic colloid characterization, of biocolloids and biofilms, the resulting transport phenomena and their engineering aspects. The contributors comprise an international group of leading specialists devoted to colloidal sciences. The contributions include theoretical considerations, results from model experiments, and field studies. The information provided here will benefit students and scientists interested in the analytical, chemical, microbiological, geological and hydrological aspects of material transport in aquatic systems and soils.
Author:
Publisher:
ISBN:
Category : Colloids
Languages : en
Pages : 40
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Author: John McCarthy
Publisher: CRC Press
ISBN: 9780873718288
Category : Technology & Engineering
Languages : en
Pages : 412
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Book Description
This valuable resource discusses several strategies of manipulating colloids for environmental restoration, identifies advantages and disadvantages of each strategy, and considers obstacles limiting the application of each strategy. Approaches evaluated include the following: Chemical modification of subsurface systems to mobilize or deposit colloids in situ Altering the mobility of microorganisms to improve delivery of microbes for bioremediation Manipulating colloids or biocolloids (bacteria) to change aquifer permeability to either enhance bioremediation or create in situ barriers Introducing modified colloids, surfactants, and emulsions to control colloid mobility or to increase recovery of sorbed contaminants by pump and treat methods Manipulation of Groundwater Colloids for Environmental Restoration also contains short, focused research reports on specific studies relevant to the various approaches under consideration. Subjects covered range from mobility of organic macromolecules by controlled field injection experiments to new techniques that investigate surface chemistry and aggregation of inorganic colloids. Other topics discussed include the depositional behavior and transport of biocolloids in porous media, surfactants as modifiers of surface binding sites on colloids, and genetic engineering of microorganisms to serve as contaminant-scavenging biocolloids. Manipulation of Groundwater Colloids for Environmental Restoration is an excellent resource for research scientists in hydrology, chemistry, and microbiology; environmental consultants; regulators; environmental engineers; bioremediation microbiologists; and engineers.
Author:
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Category :
Languages : en
Pages :
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Our research is guided by an EMSP objective to improve conceptual and predictive models of contaminant movement in vadose-zone environments. As described in the report National Roadmap for Vadose-Zone Science and Technology [DOE, 2001], soil-water colloids are capable of adsorbing contaminants, such as radionuclides and metals, and facilitating their migration through the vadose zone and towards groundwater reservoirs. Our research centers on advancing understanding of this phenomenon. In particular, we are combining mathematical modeling with laboratory experimentation at pore and column scales to (1) elucidate the effects of porewater-flow transients on colloid mobilization in unsaturated porous media; (2) explore the sensitivity of colloid deposition rates to changes in porewater chemistry and colloid mineralogy; (3) develop mathematical models appropriate for simulating colloid mobilization, transport, and deposition under both steady-flow and transient-flow conditions; (4) identify mechanisms that govern mineral-colloid mobilization and deposition in unsaturated porous media; (5) quantify the effects of mineral-grain geometry and surface roughness on colloid-filtration rates; and (6) evaluate the influences of colloids on the transport of strontium and cesium (i.e., DOE-contaminants-of-concern) through soils and sediments.
Author: John F. McCarthy
Publisher:
ISBN:
Category : Colloids
Languages : en
Pages : 48
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Book Description
Author: Tanya Kay Bilezikjian
Publisher:
ISBN:
Category : Colloids
Languages : en
Pages : 130
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Book Description
Author: Shelley Jo Kauffman
Publisher:
ISBN:
Category :
Languages : en
Pages : 340
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Book Description
Author: Shiyan Jiang
Publisher:
ISBN:
Category : Groundwater flow
Languages : en
Pages : 232
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Book Description
Author: Joan Marie Breiner
Publisher:
ISBN:
Category : Aluminum hydroxide
Languages : en
Pages : 420
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Book Description
Author: Christopher Douglas Barton
Publisher:
ISBN:
Category : Soil colloids
Languages : en
Pages : 318
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Book Description
