Research Article
Improvement of Physicochemical Characteristics of Monoepoxide Linoleic Acid Ring Opening for Biolubricant Base Oil
Table 2
D-optimal design arrangement and OOC% response of HYOOA.
| Run | Coded independent variable levels | Response | Number | OAa/MEOAb (w/w, ) | PTSAc/MEOA (w/w, ) | Temperature (°C, ) | Time () | OOCd (%, ) |
| 1 | 0.60 | 0.20 | 110 | 4.5 | 2.60 | 2 | 0.60 | 0.50 | 110 | 6 | 0.90 | 3 | 0.30 | 0.20 | 90 | 4.5 | 3.80 | 4 | 0.30 | 0.50 | 90 | 6 | 3.20 | 5 | 0.30 | 0.20 | 110 | 3 | 3.40 | 6 | 0.30 | 0.50 | 90 | 3 | 3.10 | 7 | 0.45 | 0.50 | 100 | 4.5 | 2.70 | 8 | 0.60 | 0.50 | 90 | 4.5 | 2.40 | 9 | 0.30 | 0.35 | 100 | 4.5 | 2.10 | 10 | 0.30 | 0.50 | 100 | 3 | 1.80 | 11 | 0.30 | 0.20 | 100 | 6 | 1.50 | 12 | 0.30 | 0.50 | 90 | 4.5 | 2.90 | 13 | 0.45 | 0.20 | 100 | 4.5 | 3.05 | 14 | 0.30 | 0.20 | 90 | 3 | 3.50 | 15 | 0.30 | 0.35 | 110 | 6 | 0.60 | 16 | 0.60 | 0.50 | 110 | 3 | 0.80 | 17 | 0.45 | 0.20 | 110 | 6 | 0.40 | 18 | 0.60 | 0.50 | 110 | 3 | 0.30 | 19 | 0.60 | 0.20 | 90 | 3 | 2.95 | 20 | 0.45 | 0.35 | 100 | 3 | 1.40 | 21 | 0.45 | 0.35 | 100 | 5.25 | 0.20 | 22 | 0.60 | 0.20 | 100 | 6 | 0.90 | 23 | 0.60 | 0.20 | 90 | 6 | 0.70 | 24 | 0.30 | 0.50 | 110 | 4.5 | 0.05 | 25 | 0.60 | 0.35 | 100 | 4.5 | 0.60 |
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Notes: oleic acid (a); 9(12)-10(13)-monoepoxy 12(9)-octadecanoic acid (b); p-toluene sulfonic acid (c); oxirane oxygen content (d).
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