I would expect that if you had a ion exchange resin one
could raise/lower the pH of the system.  Then the fisher
esterification or transesterification would proceed.

Then since NaOH or KOH was not added post reaction 
clean up would be easier.

T 

-----Original Message-----
From: Jim Raddon [mailto:[EMAIL PROTECTED]
Sent: Tuesday, April 01, 2003 7:52 AM
To: biofuel@yahoogroups.com
Subject: [biofuel] Question about catalysts


Hi,  I'm new to this biodiesel thing.  I've read about the one step, two 
step, and acid/base foolproof method.  My question is - are there any 
other catalysts that would make this reaction work?  I'm a little green 
in the chemistry department.  I know about sodium hydroxide (NaOH) and 
sulfuric acid (H2S04),  what about platinum?   




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