This is the transesterfication reaction to produce biodiesel from vegetable oil.

This is all the competing reactions that could be occurring inside the biodiesel processor.

Mock Apple Hybrid Processor

Dual pumps. High flow, warm fluid and slow flow, cold fluid smaller pump.

The big pump runs it hot. Too hot! Methanol, boils at 146F, so my reactor is under pressure and the methanol is refluxing. makes me nervous. If the tan valve was open, I would be venting methanol to the environment!

My biodiesel stuff in FINALLY moved into the new shop!

Couple little things to wrap up, and I'll be brewing solid all winter!

A Quick Reference Guide for the Homebrew Acid-Base method created by Infopop's DKenny using a variable-catalyst method that still retains 'homebrew' quantities of methanol and works with a wide range of poor quality oils.

An Improved Quick Reference Guide for the Homebrew Acid-Base method created by Infopop's DKenny using a variable-catalyst method that still retains 'homebrew' quantities of methanol and works with a wide range of poor quality oils. The Improved Curve appears below the curve for the older method.