Table 38. Conversion of Fats and Oils to Aromatic Compounds.
Entry | Fat or oil used | Catalyst used (Si/Al ratio) | Conditions | T (°C) | Yield of benzenoid aromatic compounds (%) | Products | Ref |
---|---|---|---|---|---|---|---|
1 | Canola oil | H-ZSM-5 | Continuous flow, WHSV = 3.0 h–1, TOS = 1 h | 370 | 37a | Hydrocarbons | (1033) |
2 | Mustard oil | H-ZSM-5 | Continuous flow, WHSV = 3.0 h–1, TOS = 1 h | 370 | 47a | Hydrocarbons | (1033) |
3 | Tall oil | H-ZSM-5 | Continuous flow, WHSV = 3.6 h–1 | 405 | 45b | Benzene and alkylated benzenes | (1034) |
4 | Canola oil | H-ZSM-5 | Continuous flow, WHSV = 12.1 h–1 | 500 | 23b | BTX | (1035) |
5 | Palm oil-based fatty acids residue | CMZ20 | Continuous flow, WHSV = 2.5 h–1 | 450 | 27b | BTX | (1036) |
6 | Peanut oil soap stock | H-ZSM-5 | Continuous flow, WHSV = 5.4 h–1 | 500 | 33 | BTEX | (1037) |
7 | Canola oil | H-ZSM-5(50) | Continuous flow, WHSV = 2 h–1 | 450 | 31b | BTX and C9 aromatics | (1038) |
8 | Canola oil methyl ester | H-ZSM-5(50) | Continuous flow, WHSV = 2 h–1 | 450 | 35b | BTX and C9 aromatics | (1038) |
9 | Soybean oil | H-ZSM-5(50) | Catalyst:substrate as 1 g per 5.3 mL, H2 (14 bar), 1 h | 430 | 28c | 22% of monoaromatic compounds, 6% of polycyclic aromatics | (1039) |
10 | Rapeseed oil | Zn/H-ZSM-5 | Continuous flow, WHSV = 7.6 h–1, 1 h | 550 | 47b | C6-C13 aromatic hydrocarbons | (1040) |
11 | Coconut oil | H-ZSM-5 | Catalyst:substrate as 1:1 wt; water, 3 h | 400 | 31 ± 7b | Alkylated benzenes | (1029) |
12 | Peanut oil | H-ZSM-5 | Catalyst:substrate as 1:1 wt; water, 3 h | 400 | 52 ± 15b | Alkylated benzenes | (1029) |
13 | Lard | H-ZSM-5 | Catalyst:substrate as 1:1 wt; water, 3 h | 400 | 48 ± 4b | Alkylated benzenes | (1029) |
14 | Palm fatty acid distillate | 5% Zn/ H-ZSM-5 | Continuous flow, WHSV = 5 h–1 | 500 | 65b | BTEX | (1041) |
15 | Waste cooking oil | 20 wt% 4AH-Z5 | CDS Pyroprobe 5200, 20 seconds | 600 | 58b | BTEX and naphthalene | (1042) |
16 | Rubber seed oil | Alkali treated ZSM-5 | Continuous flow, WHSV = 5.48 h–1 | 550 | >99% in the bio-oil phased | BTX, other alkyl benzenes and polyaromatics | (1043) |
17 | Soybean oil | Si-MCM41 | Continuous flow, WHSV = 6.69 h–1 | 460 | 25b | Mainly C7-C13 compounds | (1044) |
Unclear how the yield was measured.
Analysis by GC without use of internal standard.
Analysis by GC using 2-chlorotoluene as an internal standard.
Yield of the liquid fraction was not reported.