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Comments for Making biodiesel and water

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Jun 06, 2012
Water in Oil and Making Biodiesel
by: Paul

The reason that you should remove any water from oil when making biodiesel is as follows.

Biodiesel production and soap making are similar processes. the only real difference is that when you make biodiesel you use methanol and when you make soap you use water, both use sodium or potassium hydroxide.

The thing is that the soap making process will take priority over the biodiesel process, so if you have water in the oil the reaction will make soap until the water is used up and then make biodiesel. This can result in a big mess if there is a lot of water available and you can end up with a batch of white glop which is useless and hard to dispose of.

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