| This article is for those who are a little more | | | | type of 1 milliliter dropper |
| experienced atmaking biodiesel at home and who | | | | PH paper (to test for acidity )an old blenderplastic |
| wish to progress from usingstraight vegetable oil | | | | or glass measuring cups or beakers, with metric |
| to waste oil. As users of biodiesel fuelknow | | | | measures--and/or a gram scaleplastic, glass or |
| vegetable oil will react very similarly to diesel fuel | | | | stainless stirrers and spoons,plastic buckets |
| in a diesel engine. Like diesel fuel, biodiesel will ignite | | | | 1. Dissolve 1 gram NaOH (Sodium Hydroxide- Lye) |
| whencompressed causing air in the engine | | | | in 1000 ml. of water. This is your NaOH solution. |
| cylinders to expand. This isthe energy that pushes | | | | 2. Dissolve 1ml. of wasted vegetable oil in 10 ml. |
| the engine pistons into motion. | | | | Isopropyl Alcohol(IPA). |
| The reason you must make biodiesel is that if | | | | 3. With an eyedropper, drop the diluted NaOH into |
| you burned straightunprocessed oils in the diesel | | | | wasted vegetableoil mixture a milliliter at a time. |
| engine it would simply congeal andthen clot your | | | | Count the drops. After eachdrop check the ph |
| fuel injectors and engine like cholesterol | | | | level of the WVO solution with standard phpaper-- |
| hardeninghuman arteries. | | | | you will see an eventual rise in the ph level. |
| Read more on how to Make Your Own Biodiesel | | | | Continue toadd the NaOH solution into the WVO |
| There are many biodiesel recipes for removing | | | | solution, a drop at a time,until it reaches a ph of |
| the fatty acids from oil. | | | | 8-9. |
| Here is a very common and reputable recipe for | | | | To determine your proportions, figure: |
| making biodiesel at home from waste oil. | | | | The number of drops of NaOH needed for the |
| You will need: | | | | WVO solution to reach a ph of 8-9 1 ml. plus 3.5 |
| Used or fresh vegetable oil (that has been | | | | g. NaOH to catalyze the oil. |
| strained so that it is free of particulates such as | | | | Then go ahead and prepare a larger batch in your |
| food crumbs) | | | | blender. Don'tforget to clarify, settle and bubble |
| Lye | | | | wash this mixture as usual and remember to |
| Methanol | | | | follow the usual safety precautions for |
| Isopropyl Alcohol (99% IPA)eyedropper- or other | | | | makingbiodiesel at home. |