How Do You Make Lye Soap From Biodiesel Byproduct?
When making biodiesel, you will necessarily be left with a glycerin byproduct, which is excellent for making your own soap. All you really need is glycerin, lye and water to get a soap with nice lather and great cleaning power. However, lye is a very caustic material and poisonous. This is not a soap project that your kids can help with. Choose a well-ventilated area where you have room to work and move around. Additionally, you will need to heat the ingredients to very high temperatures, so be very careful around the flames and hot liquids. If you take the necessary safety precautions, your soap making can be a fun experience. If you have not done so already, filter the glycerin to remove any remaining impurities. This can be done using a vegetable oil strainer or a piece from an old pair of pantyhose. Pour the glycerin into a stainless steel or aluminum pot. If you used methanol, heat the glycerin to 150 degrees Fahrenheit. If you used ethanol, heat the glycerin to 175 degrees Fahren
