Ringwinger et al
took your advice and heated yesterday’s mixture up and it cooked up like normal BioOil, it lost its extra viscosity. So I capitulated and mixed a new batch of BioOil to test Reg’s mixture as posted on page (4) of this thread. I add a bit extra glycerin and cooked it on the stovetop this time using dishwasher detergent, cooking it until it went to an amber color, then put it into the Pressure Cooker. It came out white again, so back onto the stovetop and I evaporated out the water until it looked like normal BioOil. I can’t see any change at all on either mixtures. So I have to say the pressure cooker idea was invalid.
I have just found this thread after having seen some diesels running on youtube, so I am reading here many interesting experiences. I have already made some, and I will post about them. Since mediterranean diet involves olive oil, being italian now I want to make a remark about pressurepan oliveoil processing.
It is simple, that is "why not to fry the water out?" More seriously, if you fill the bottom of the pressure pan with cheap oil instead of water you will make a drying environment in which to cook the olive oil in its smaller container. As long as water evaporates from the olive-glycerin- water mixture, evaporation will substain the pressure within the pan, and temperature will be limited. If you leave the vapour dry you will have your modified oil with no water inside and with the possible benefit of pressure processing. Rather simple, why not to try?