Richard E. WoodwardSenior Scientist, Environmental Services Litigation Support Houston, TXA brown bag seminar for Bioremediation: A Conceptual Bioremediation: A Conceptual Overview with Examples Overview with Examples J. Connor Consulting, Inc.16225 Park Ten Place, Suite 700 Houston, Texas 77084
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Define bioremediationDefine bioremediations Position bioremediation in the scheme of remedialPosition bioremediation in the scheme of remedial
actionsactions Physical > Chemical > BiologicalPhysical > Chemical > Biological
s List seminal concepts of bioremediationList seminal concepts of bioremediation Source controlSource control
Von Liebig’s Law of the minimumVon Liebig’s Law of the minimum
s Give three examples of implementationGive three examples of implementation Pits, Ponds, and Lagoons: traditional wastewater approachPits, Ponds, and Lagoons: traditional wastewater approach
In situ treatment: surge vs circulationIn situ treatment: surge vs circulation Permeable reactive barrier in flow pathPermeable reactive barrier in flow path
s Define intrinsic bioremediation: Natural attenuationDefine intrinsic bioremediation: Natural attenuation
What is In Situ Bioremediation?What is In Situ Bioremediation?
s Optimization of site conditions to stimulateOptimization of site conditions to stimulatemicrobes to biodegrade organicmicrobes to biodegrade organiccontamination.contamination.
s Delivery of substrates, nutrients and inDelivery of substrates, nutrients and insome cases microbessome cases microbes
s Engineered delivery; extraction, injection,Engineered delivery; extraction, injection,circulation or permeable barrierscirculation or permeable barriers
s
Generally refers to microbial activity butGenerally refers to microbial activity buttechnically phytoremediation is a subset of technically phytoremediation is a subset of bioremediationbioremediation
Liebig’s Law of the Minimum:satisfying growth limiting factors
s The yield potential of a crop isThe yield potential of a crop islike a barrel with staves of like a barrel with staves of unequal length.unequal length.
s The capacity of the barrel isThe capacity of the barrel is
limited by the length of thelimited by the length of theshortest stave (in this case,shortest stave (in this case,nitrogen), and can only benitrogen), and can only beincreased by lengthening thatincreased by lengthening thatstave.stave.
s When that stave isWhen that stave islengthened, another onelengthened, another onebecomes the limiting factor.becomes the limiting factor.
s Begins when active treatment yields diminishingBegins when active treatment yields diminishingreturns and monitoring efforts are reasonablereturns and monitoring efforts are reasonable
s Characterized by reduction of contaminantCharacterized by reduction of contaminantconcentration, mass, toxicity or mobilityconcentration, mass, toxicity or mobility
s Monitor/model:Monitor/model: Decreasing contaminant concentrationsDecreasing contaminant concentrations
Fulfillment of ObjectivesFulfillment of Objectives
s
Define bioremediationDefine bioremediations Position bioremediation in the scheme of remedialPosition bioremediation in the scheme of remedial
actionsactions Physical > Chemical > BiologicalPhysical > Chemical > Biological
s List seminal concepts of bioremediationList seminal concepts of bioremediation Source controlSource control
Von Liebig’s Law of the minimumVon Liebig’s Law of the minimum
s Give three examples of implementationGive three examples of implementation Pits, Ponds, and Lagoons: traditional wastewater approachPits, Ponds, and Lagoons: traditional wastewater approach
In situ treatment: surge vs circulationIn situ treatment: surge vs circulation Permeable reactive barrier in flow pathPermeable reactive barrier in flow path
s Define intrinsic bioremediation: Natural attenuationDefine intrinsic bioremediation: Natural attenuation