Chou Seh-fu

Walnut Shell Filter Animation

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This page ordinarily features a series of Flash tweens (animations) of how black walnut shell filters work in Steam-Assisted Gravity Drainage (SAGD) oil production. The animations depict 3 models:

  1. Flat oleophilic surface (hypothetical)
  2. Flat oleophobic surface (hypothetical)
  3. Rough walnut shell surface (with both oleophilic & oleophobic regions)

Droplets of oil moving through the filter are attracted to Surface #1, repelled by Surface #2, and coalesce into larger droplets upon contact with the oleophilic regions of Surface #3.

Please note: You are not able to view this page properly because you do not have Flash Player.

Users who do not have Flash are strongly urged to download & install it on a Flash-compatible machine.

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Background black walnut shell granules image from: AliBaba.com