Table 6.
Comparing this study with reported literature data.
| Blended Oil | Blending ratio (vol/vol) | Catalysts | Calcination temperature and duration | % CaO/KOH conversion | Catalyst analysis | % Biodiesel yield | References |
|---|---|---|---|---|---|---|---|
| Waste cooking oil | - | Ripe and unripe Plantain peels | 500°C for 4 h |
KOH = 47.67% | XRD, SEM, BET, and FTIR | 97.96 | [6] |
| Jatropha curcus+Heavea brasiliness+ Elais guineensis oils | 33:33:34 | Chiken foot, Cat fish bones, and mixed | 1000 oC for 3 h |
CaO = 99.84% | SEM, EDX-ray, FTIR and BET | 97.25 | [7] |
|
Calophyllum inophyllum-waste cooking oil |
50:50 | Donax deltoids shells | 105°C for 24 h |
CaO = 70.87% | XRD, SEM, BET, and FTIR | 96.50 | [8] |
| Waste cooking oil (WCO) | - | Ca(NO3).4H2O | 900°C for 3 h |
CaO=99.92% | XRD, SEM, BET, and FTIR | 99.19% | [9] |
| Waste + pure vegetable oil | - | Banana peel |
700 oC for 4 h |
KOH | 94 to 97% | [10] | |
| Beef Tallow blend + Waste used vegetable oil | 60:40 | Theobroma cacao pod husks | CaO | XRD, SEM, BET, and FTIR | THIS STUDY | ||
| Submerged fermented calcined | 750 oC for 4 h |
87.65% | 99.64% |