Aerogels - Supercritical Extractions?

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Discussion Overview

The discussion centers around the challenges of creating aerogels, specifically focusing on the extraction of liquid from alcogels without the use of a pressure chamber. Participants explore alternative methods for liquid extraction and the implications of such methods in the context of aerogel manufacturing.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant expresses a need for assistance in extracting liquid from alcogels without a pressure chamber.
  • Another participant suggests that the question may be more appropriate for the engineering section of the forum.
  • A third participant comments on the potential value of developing non-supercritical fluid (SCF) methods for aerogel manufacturing, indicating that such contributions could be significant.
  • A later reply seeks further ideas or suggestions regarding the extraction process.

Areas of Agreement / Disagreement

Participants do not appear to reach a consensus on the best approach for liquid extraction, and multiple perspectives on the topic remain present.

Contextual Notes

The discussion does not clarify the specific limitations or assumptions regarding the proposed extraction methods or the feasibility of non-SCF processes.

alex caps
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I am trying to creat some aerogel. I can make the Alcogel but I do not have a pressure chamber and cannot extract the liquid from it. This site gives some information on the subject if you are interested:
http://eande.lbl.gov/ECS/aerogels/saprep.htm

Basically I just need help on extracting the liquid without using a pressure chamber. Any ideas?
 
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Hello, this question fits better to engineering section, I think. Ask the moderator to move this thread to the proper location.
 
Gotta call it a perfectly reasonable question about chemistry --- whether anyone's going to contribute to developing processes for manufacture of aerogels that don't involve SCF methods (potential worth would be in millions) on a public domain forum is another question.
 
does anyone have an idea?
 

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