In Situ Stabilization of PAHs: Lessons From Nature and New Ideas for Remediation

 

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Table of Contents

In Situ Stabilization of PAHs: .Lessons From Nature and New Ideas for Remediation

Problem statement

Technical objectives

Technical approach

Coincident PAH, OM & elemental analyses

PPT Slide

PPT Slide

Sediment weight and PAH distribution

PAH release from sediment components during desorption tests using Tenax

Thermal programmed desorption-MS

Desorption models

Model fitting : 63-250 mm coal

Spatial conc. profile during desorption:.nonuniform initial concentration

Fitted desorption activation energy values (kJ/mole)

Particle sectioning for interior analysis

PPT Slide

PPT Slide

PPT Slide

What did we learn from nature ?

How can we use this knowledge?

Preliminary test

Application and deployment

Author: Upal Ghosh, Richard Luthy, Richard Zare, Jeffrey Talley, Todd Bridges

Email: upal@ce.stanford.edu

Home Page: http://www.andrew.cmu.edu/~ughosh/serdp.html

Other information:
These slides were presented at the RTDF meeting in Wilmington, DE, Sep 12-13, 2000.