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Impact of Microbial Activity on Flow and Transport in Fractured Chalk


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  • Product Description

The impact of microbial activity on the hydraulic properties of fractured chalk was investigated on a laboratory scale model.The experiments were conducted on six fractured chalk cores (20 cm in diameter, 23-44 cm long), each containing a single natural fracture embedded in a porous matrix.Following the initial hydraulic characterization of the fractures, a nutrient solution containing 2,4,6-tribromophenol (TBP) as a synthetic model contaminant was continuously injected into the fractures.The various fractures were operated over 250-630 days, under different conditions including several flow rates, TBP concentrations and oxygen concentrations.Flow experiments were performed periodically before and during the nutrient solution injection to assess changes in the transmissivities of the fractures.Multi-tracer tests were conducted several times during the biodegradation experiments in order to identify the two-dimensional spatial distribution of the flow patterns.The tracer tests were also used to calculate transport parameters, such as the equivalent fracture aperture and dispersivity.

Product Specifications
SKU :COC40875
AuthorShai Arnon
Number of Pages152
Publishing Year8/19/2012
Book TypeEarth sciences, geography, environment, planning
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-03-08 00:00:00