Vegetable Oil as a Solvent for Removing Producer Gas Tar Compounds

Prakashbhai R. Bhoi, Raymond L. Huhnke, Ajay Kumar, Mark E. Payton, Krushna N. Patil, James R. Whiteley

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

The objective of this study was to evaluate the performance of vegetable oil as a solvent in a wet packed bed scrubbing system for removing model producer gas tar compounds. Solvent type, column bed height, solvent temperature and solvent flow rate were varied to assess the performance in terms of tar removal efficiency. Soybean and canola oils were used as solvents. Benzene, toluene and ethylbenzene were used as model tar compounds. Testing was conducted using a bench scale packed bed column, 5.25 cm diameter by 1.1 m height, filled with 6-mm raschig rings as packing material. Statistical analysis showed that soybean and canola oils provide comparable removal efficiencies of tar compounds. The analysis also revealed that bed height and solvent temperature had highly significant effects on tar removal efficiencies. Bed height, solvent temperature and solvent flow rate had highly significant effects on liquid holdup and pressure drop across the column.
Original languageAmerican English
JournalFuel Processing Technology
Volume133
DOIs
StatePublished - May 2015

Keywords

  • Canola oil
  • Producer gas tars
  • Raschig rings
  • Soybean oil
  • Wet scrubbing system

DC Disciplines

  • Mechanical Engineering
  • Engineering

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