as stated in the procedure section the reactor was continuously operated for 20 min with samples collected every 2 min the com positon of mixture is presented for comparison with the original the conditions for reducing the acid value of the MCPO table 2 shows the experimental design matrix and the results of these tests it was found that when these mixtures flow through the out-Iet port of the UItrasonic reactor the acid vaiue of the esterified oil ranges form 8.681 to 1.213 mg koh