Homebrew Processor

Kitchen Biodiesel

Sponsored by: Make-Biodiesel.org The place to learn How to Make Biodiesel at Home.

Backyard Processor

Safety First, Read the MSDS sheets

READ MSDS SHEETS Be Smart - Be Safe

Kitchen Biodiesel Equipment

Collect everything you need before starting.

Put on your Safety Gear

Put On Safety Goggles, Gloves, Apron, long sleeve shirt, shoes and long pants NOW!

Measure out the Methanol

Measure out 250 mL of Methanol

pour methanol in mixing jar

Pour Methanol in Mason Jar.

add NaOH to methanol

Measure 1/2 Teaspoon of Lye and close tightly.

mix by shaking until all NaOH is dissolved

Shake/Swirl until ALL the lye is dissolved.

Measure out the vegtable oil

Measure 1 Liter of Oil

Heat Oil to 140 F

pour warm oil into soda bottle

Pour Oil in Soda Bottle

Add methoxide to oil in soda bottle

Pour Methoxide in Soda Bottle and tighten cap

Shake vigorously for 10 seconds

Let Settle

On Top is Biodiesel

  


Kitchen Biodiesel is the best way to start learning how to HomeBrew without spending much.  These instructions are for a one liter batch with virgin oil using an edited (Americanized) version, Tilly's "Dr. Pepper Method."   Links to the various MSDS and items are included to help the beginner.  

 

These directions DO NOT Work for Waste Vegetable Oil (WVO)It works well with new, store bought, Vegetable Oil.  If you want to use WVO, check out Tilly's "Dr. Pepper Method."


 

A few words on SAFETY:

You will be working with DANGEROUS/POISONOUS chemicals.  Common sense MUST be used.  You are responsible for your actions and the safety of yourself and everyone/everything around you!  

 

METHANOL  

POISON!  Causes eye and skin irritation. May be absorbed through intact skin. This substance has caused adverse reproductive and fetal effects in animals. Danger! Flammable liquid and vapor. Harmful if inhaled. May be FATAL or cause BLINDNESS if swallowed. May cause central nervous system depression. May cause digestive tract irritation with nausea, vomiting, and diarrhea.  MSDS

Sodium Hydroxide  

POISON! DANGER! CORROSIVE. MAY BE FATAL IF SWALLOWED. HARMFUL IF INHALED. CAUSES BURNS TO ANY AREA OF CONTACT. REACTS WITH WATER, ACIDS AND OTHER MATERIALS. MSDS

 

 

 

Recommended Safety Gear:

The minimum is chemical proof gloves, aproneye protection and dust mask.  However many safety experts also add lab coat, and full face shield.  

Do NOT inhale any vapors.  Cartridge respirators do not work against methanol.

Always have running water available to wash off any splashes.

Now that I have managed to scare you, just realize that Methanol is the fuel used in most Model airplanes. In the USA methanol is available in small quantities as HEET brand fuel line antifreeze (Yellow bottle) Lye is an every-day drain cleaner.  Both are freely available in most large shopping centers.


 

MATERIALS REQUIRED:

1 liter oil- new

NaOH (lye/ caustic soda), at least 4g. Used as a drain cleaner and can often be found next to the Drano.

Methanol at least 250ml. HEET Gas- Line Antifreeze in the yellow bottle is methanol and readly available in most auto supply stores in the USA.

 

EQUIPMENT REQUIRED:

1- 2 liter (1.9 in US) Dr Pepper Bottle in sound condition with top and dry inside.

1-measuring cup to measure out 250ml methanol

1-scales to measure 4g NaOH
OR
1 teaspoon measure metric or imperial.

1- container to mix the methanol and NaOH in which makes methoxide.- must seal tightly, test the lid by putting a carbonated beverage in it close the lid and shake. NO liquids can come out when the jar is inverted.

1- Funnel

 

THE TECHNIQUE:

 


MAKING THE METHOXIDE:

WARNING: METHOXIDE is a POISON! MSDS 

DO NOT BREATH VAPORS. WASH OFF ANY SPLASHES.

DO NOT MIX THE METHOXIDE IN A PLASTIC SOFT DRINK BOTTLE AS THE NaOH ATTACKS THE PLASTIC AND YOU WILL QUICKLY BE SHAKING A BOTTLE FULL OF HOLES WITH METHOXIDE GOING EVERYWHERE.

In a well ventilated area, measure 250 mL of room temperature methanol into a one pint mason jar.  

Measure out 4g of NaOH (lye) (about half a Teaspoon) and add to the methanol in the jar replacing the lid tightly to prevent any leaks.  

Shake/swirl until all the lye is dissolved.  

As you mix the temperature will increase substantially.  This is normal and may take 10 minutes or more.

 

MAKING THE BIODIESEL With NEW OIL

Heat 1 Liter of unused Oil 60 C/140 F (these directions do not work for waste oil)

Using a funnel, pour the liter of oil into a DRY 2 liter Dr Pepper bottle (in a pinch any other brand of bottle will do).

In a well ventilated area, pour the mixture of methanol/NaOH (methoxide) on top of the oil using the same funnel.

Remove funnel.

Screw the top down TIGHT onto the bottle.

Shake vigorously for about ten seconds/ 40 good shakes.

NO appreciable pressure is generated during this mixing.

Now place the bottle on a table and observe the oil change color from a "Chocolate milk to a rich, darker brown." Then, as if by magic, within 10 minutes the by-product (commonly referred to as glycerine on this forum) starts to settle out and form an increasing layer on the bottom of the bottle.

Within an hour, most of the glycerine will be settled out. This is referred to as separation. Be sure to notice that you can see a very definate, slowly sinking line towards the top of the Biodiesel as the glycerine slowly settles.

You should now have a bottle containing lighter colored biodiesel on top of a layer of darker glycerine. The biodiesel will be very cloudy, and it will take a day or two more for it to clear.

Typically the glycerine layer is about the same or a bit more than the amount of methanol used.

If it does not work out come onto the forum and see if anyone can figure out what went wrong.

And that is all there is to it. Only a little magic is involved.

 

Additional Notes:

CARTRIDGE RESPIRATORS DO NOT WORK WITH METHANOL

A few cautions: DON'T mix the methanol and NaOH (lye) in a plastic bottle as NaOH attacks some types of plastic. Once mixed it is quite acceptable to mix your biodiesel in a Dr Pepper plastic bottle.

DO NOT allow any WATER into any steps of this procedure.

Do NOT store unused methoxide in plastic bottles. Some plastic will degrade over time when in contact with methoxide.

Methanol boils at about 65C/148F. DO NOT mix when the oil is above 60C/140F.

YOU ARE RESPONSIBLE FOR YOUR ACTIONS AND YOUR SAFETY AND THE SAFETY OF EVERYONE AROUND YOU.

Again, these are dangerous chemicals and care is necessary, especially if there are children in your home.

Remember, after producing in excess of 53,459 liters of biodiesel in any calendar year using this process, please make royalty check out to Tilly From Paradise and send it to me through your favorite Numbered Swiss bank account.

Addendum: 

It has been proven  through GC tests that although one 10 second shake produces very useable Biodiesel it is in fact not of ASTM standard. It appears that to produce this high quality fuel requires four- 5 second shakes over the space of an hour.

To learn more about making biodiesel visit the Make-Biodiesel Tutorial

Learn more about biodiesel with the
Brewers' Guidebook

 

Biodiesel Recipe Calculator

 

DOT Placard for Methanol
DOT Placard for Soduim Hydroxide

 

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Now that you have a Liter of the Finest biodiesel around, you will probably wish to wash it.  This is quite easily accomplished using:

The World Famous Dr. Pepper Method for Washing Biodiesel

 

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