การแตกตัวเชิงเร่งปฏิกิริยาของน้ำมันพืช ใช้แล้วบนแคลเซียมออกไซด์และ แมกนีเซียมออกไซด์ในเครื่องปฏิกรณ์แบบต่อเนื่อง / นิทัศน์ วงษ์สวัสดิ์ = Catalytic cracking of used vegetable oil on calcium oxide and magnesium oxide in continuous reactor / Nitas Wongsawat
This research work catalytic cracking of used vegetable oil on calcium oxide and magnesium oxide in a continuous reactor of 1250 mL the following operating variables were varied operation reaction temperature ranging 390 to 440 degree of celsius, feedstock’s flowing rate 2 to 5 gram/min and amount of catalyst ranging from 1-5% by weight.The two level factorial experimental design was perform to investigate the effect of variable of oil yield on product yield. The product oil was analyzed by simulated distillation gas chromatography (DGC).From design-expert program, it was found that reaction of used vegetable oil on calcium oxide catalyst is temperature of 424℃, feedstock’s flowing rate 2.21 gram/min by using 1 percent by weight gave the highest yield. The oil yield was 32.26 percent by weight, the naphtha yield was 11.54 percent by weight. In the reaction of used vegetable oil on magnesium oxide catalyst is temperature of 422℃, feedstock’s flowing rate 2.9 gram/min by using 5 percent by weight gave the highest yield. The oil yield was 31.19 percent by weight, the naphtha yield was 12.16 percent by weight.