An Engineered Reactor Approach to Integrating Physicochemical and Biological Processes for In-Situ Bioremediation of Contaminated Subsurface Systems

by Walter J. Weber, Jr., Univ of Michigan, Ann Arbor, United States,
Henry Corseuil, Univ of Michigan, Ann Arbor, United States,

Document Type: Proceeding Paper

Part of: Environmental Engineering


The concept of integrating biologically active granular carbon reactors into groundwater recycle schemes to provide continuous acclimation and enrichment of microorganisms and inoculation of subsurface systems by reinjection of reactor effluent is described. Experiments with benzene, toluene, and xylene, common subsurface contaminants, are employed to demonstrate concept feasibility. Seeding of aquifer material with adapted microorganisms sloughed from a biologically active granular activated carbon reactor is shown to result in immediate biodegradation of these aromatic hydrocarbons.

Subject Headings: Granular materials | Field tests | Biological processes | Recycling | Industrial wastes | Waste treatment | Groundwater pollution | Groundwater

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