Can Teflon® PTFE Prevent Charge Attraction in Geothermal Piping Systems?

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Discussion Overview

The discussion revolves around the potential effectiveness of Teflon® PTFE as a protective coating for geothermal piping systems, particularly in preventing scale build-up and corrosion when submerged in brine. Participants explore the relationship between the material properties of Teflon and the electrochemical interactions that may influence scale formation.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant is investigating the use of Teflon® PTFE to extend the life of geothermal piping systems, citing its low coefficient of friction and non-stick properties as potential benefits against scale attachment.
  • The same participant raises a concern regarding "pipe charging" as described by Helmholtz, suggesting that scale build-up may be due to electrostatic attraction between the positively charged pipe and negatively charged carbonate ions in brine.
  • Another participant suggests that the question may be more aligned with chemistry, indicating a potential need to move the discussion to a chemistry-focused forum.
  • A further reply humorously suggests that discussions about dialectic properties could belong in a philosophy forum, indicating a light-hearted debate about the classification of the topic.

Areas of Agreement / Disagreement

Participants have not reached a consensus on the effectiveness of Teflon® PTFE in preventing scale build-up, and there is disagreement regarding the appropriate disciplinary context for the discussion, with some suggesting chemistry and others humorously proposing philosophy.

Contextual Notes

The discussion includes unresolved questions about the electrochemical interactions at play and the specific conditions under which Teflon® PTFE might be effective or ineffective in this application.

josh0433
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Good day,

I'm currently studying about the effectiveness of Teflon® PTFE as a protective coating for a geothermal piping system. Part of the pipe is submerged in brine and experience corrosion and scale build-up during its past operations. I was thinking of applying the said coating to extend the life of the piping system for it to be more reliable. However, I've been having problems in verifying its effectiveness to prevent scale build-up.
I know teflons have extremely low coefficient of friction and its non-stick property helps in preventing the attachment of scales, but I've research something about "Pipe charging" by Helmholtz that indicates that scale builds-up due to the attraction of the positively charged pipe to the negatively charged carbonate ions on the brine. Can the dialectic property of Teflon® PTFE be able to prevent this kinds of attraction?
Any help on this matter will be highly appreciated. Thank you!
 
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I believe this is a chemistry problem.

Perhaps someone will move this thread to the chemistry department.
 
Welcome to PF!

Hi josh0433! Welcome to PF! :smile:

I see you've already re-posted in the Materials & Chemical Engineering forum. :wink:
Phrak said:
I believe this is a chemistry problem.

Perhaps someone will move this thread to the chemistry department.

Nooo … questions about dialectics belong in the Philosophy forum! :biggrin: …
josh0433 said:
Can the dialectic property …
 
Thread moved to Materials and ChemE
 

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