abstract |
THE PRESENT INVENTION RELATES TO A PROCESS FOR PREPARING A BIO-DIESEL, COMPRISING THE STEPS OF, IN THE PRESENCE OF AN ADDITIONAL FREE FATTY ACID SOURCE, REACTING A RAW OIL-FAT WITH C??? MONOHYDRIC ALCOHOL IN A REACTOR, AND SEPARATING FATTY ACID ESTERS FROM THE REACTED MATERIALS, SO AS TO PRODUCE THE BIO-DIESEL, WHEREIN THE AMOUNT OF THE FREE FATTY ACID IN THE FREE FATTY ACID SOURCE RANGES FROM 2-100WT% AND IS HIGHER THAN THE AMOUNT OF THE FREE FATTY ACID IN THE RAW FAT-OIL. THE PRESENT PROCESS CAN INCREASE THE FATTY ACID ESTER YIELD AND PURITY OF RAW OIL-FATS HAVING A LOW REACTION ACTIVITY, AND HAS A HIGH ADAPTABILITY TO RAW MATERIALS. |