A model for tracking PCB migration under a variety of solvent injection scenarios is presented. The model serves as a tool for evaluating the efficacy and efficiency of solvents as a means of decontaminating PCB-contaminated natural gas pipelines. The model accounts for the continuous mass transfer between the pipe wall and the multiphase fluids flowing in the pipeline. Consideration is given to the processes of PCB desorption from the pipe wall, and the possibility of subsequent re-adsorption to the pipe wall. To capture the multiple mechanisms involved adequate coupling of hydrodynamic, thermodynamic, and mass transfer modeling is called for and used in this study. The study shows that PCBs concentrate in the liquid phase which is the primary transport phase. It also demonstrates that the model could be used to design an optimal pipeline decontamination scenario.
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June 2004
Technical Papers
PCB Migration and Cleanup Scenarios in Natural Gas Pipelines
E. S. Eltohami,
E. S. Eltohami
The Pennsylvania State University, Petroleum and Natural Gas Engineering, University Park, PA 16802
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M. A. Adewumi,
M. A. Adewumi
The Pennsylvania State University, Petroleum and Natural Gas Engineering, University Park, PA 16802
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M. Erdogmus
M. Erdogmus
The Pennsylvania State University, Petroleum and Natural Gas Engineering, University Park, PA 16802
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E. S. Eltohami
The Pennsylvania State University, Petroleum and Natural Gas Engineering, University Park, PA 16802
M. A. Adewumi
The Pennsylvania State University, Petroleum and Natural Gas Engineering, University Park, PA 16802
M. Erdogmus
The Pennsylvania State University, Petroleum and Natural Gas Engineering, University Park, PA 16802
Contributed by the Petroleum Division and presented at the ETCE 2002, Houston, Texas, February 4–6 2002 of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS. Manuscript received by the Petroleum Division July 2002; revised manuscript received October 2003. Associate Editor: W. D. Constant
J. Energy Resour. Technol. Jun 2004, 126(2): 105-111 (7 pages)
Published Online: June 22, 2004
Article history
Received:
July 1, 2002
Revised:
October 1, 2003
Online:
June 22, 2004
Citation
Eltohami , E. S., Adewumi , M. A., and Erdogmus, M. (June 22, 2004). "PCB Migration and Cleanup Scenarios in Natural Gas Pipelines ." ASME. J. Energy Resour. Technol. June 2004; 126(2): 105–111. https://doi.org/10.1115/1.1712978
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