Biodiesel info articles

This section will develop into a compendium of technical information on this topic - please let us know if you have information to contribute, and we will acknowledge you.

What is biodiesel?

Biodiesel is a fuel for conventional Diesel engines made from plant or animal oils or fats that have been chemically transformed into alkyl esters. Read more …

The diesel engine

“The use of plant oil as fuel may seem insignificant today. But such products can in time become just as important as kerosene and these coal-tar-products of today.” Read more …

Biodiesel chemistry primer

This is a working chemistry primer designed to give you the basic chemistry knowledge you need to understand what is happening when you make biodiesel. Read more …

Health & safety

Before commencing any practical work, it is of the utmost importance to understand the risks involved with making biodiesel. Read more …

How to make simple biodiesel

In this section we will go through the process of making biodiesel using a simple one-stage base-catalysed transesterification. Read more …

How to make biodiesel in a 100-litre batch reactor

In order to look in more detail at the issues involved in practical biodiesel production we will take the example of a small-scale batch system making 100-litre batches. Read more …

Variations on the basic method, plus storage

The ‘basic method’ is the single-stage base-catalysed transesterification method. There are a number of variations on this method which may yield better fuel quality with certain feedstocks. Read more …

What to do with the glycerine

When you make larger amounts of biodiesel you will inevitably end up with quite a large store of glycerine. Read more …

Filtering waste oil

filtering

Here’s a simple but very effective waste oil filtering system Read more …

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