[Biofuel] Hygroscopy of BD

2007-02-26 Thread M.R. Arends
Hello, We all know that BD is a hygroscopic liquid. I was wondering if BD made from different oils have differ in their hygroscopic properties. I mean, is BD made WVO more hygroscopic then BD made from rapeseed oil? Has anybody got some experience with that? Greetings, Marc

[Biofuel] Temperatures

2007-01-07 Thread M.R. Arends
Hello, I have a question about temperatures and when using NaOH or KOH. First I used NaOH as a catalyst and my reaction temperature was 50 degrees Celsius. Now we use KOH as a catalyst. Should this reaction be done at the same temperature or should we change it. Has different kind of temperature