Ni-Ru/CeO₂ Catalytic Hydrothermal Upgrading of Water-Insoluble Biocrude from Algae Hydrothermal Liquefaction

Table 3

Tentative products identifications by GC-MS analysis of B₁ and B₂ in Figure 2.

Retention time (min)	Compound	Relative peak area (%)
11.7223	Propanal, 2,2-dimethyl-, oxime	0.3283
38.1796	Benzoic acid, 4-methyl-2-trimethylsilyloxy-, trimethylsilyl ester	1.337
39.2486	Cycloheptasiloxane, tetradecamethyl-	3.2133
43.1274	Diethyl phthalate	0.0338
44.6316	Cyclooctasiloxane, hexadecamethyl-	7.5681
45.6930	Heptadecane	0.6365
48.2967	1-Dodecanol, 3,7,11-trimethyl-	1.3641
48.8617	Hexadecane, 2,6,10,14-tetramethyl-	1.862
49.2741	Cyclononasiloxane, octadecamethyl-	7.8494
49.5718	2-Hexadecene, 3,7,11,15-tetramethyl-, [R-[,-(E)]]-	5.1915
57.1387	Cyclodecasiloxane, eicosamethyl-	5.7078
60.5213	Morphinan, 7,8-didehydro-4,5-epoxy-17-methyl-3,6-bis[(trimethylsilyl)oxy]-, (5.alpha.,6.alpha.)-	8.6591
63.6290	Cycloheptasiloxane, tetradecamethyl-	10.5962
66.5381	Cyclodecasiloxane, eicosamethyl-	10.0725
69.3022	Cyclotrisiloxane, hexamethyl-	12.5258
69.7069	Tetrasiloxane, decamethyl-	0.5209
71.5088	Arsenous acid, tris(trimethylsilyl) ester	0.3042
72.3411	(p-Methoxyphenyl)-acetonyl-dimethylsilane	6.9254
72.5015	2-Methyl-6-(5-methyl-2-thiazolin-2-ylamino)pyridine	1.0923
75.8993	2,4,6-Cycloheptatrien-1-one, 3,5-bis-trimethylsilyl-	5.2647
24.5728	Undecane	2.7899
28.6044	Dodecane	6.3133
32.1702	Benzene, 1-(2-butenyl)-2,3-dimethyl-	4.0373
32.4222	Tridecane	10.9529
33.2621	2,4,6(1H,3H,5H)-Pyrimidinetrione, 5-butyl-5-ethyl-1,3-bis(trimethylsilyl)-	3.2033
33.7432	Spiro(9-methylenetricyclo[6.2.1.0(2,7)]undeca-2,4,6-triene)-11,1′-cyclopropane	2.7049
35.1252	Naphthalene, 1,2,3,4-tetrahydro-1,1,6-trimethyl-	3.9456
35.7742	2-Tetradecene, (E)-	3.7452
36.0338	Tetradecane	7.816
39.1873	Cyclododecane	3.3313
39.4240	Pentadecane	17.3115
39.9509	2H-1,2,5-Oxasilaborole, 5-tert-butyl-4-ethyl-2,2,3-trimethyl-	3.3719
42.6309	Hexadecane	4.6292
45.6699	Heptadecane	7.1577
48.5485	Octadecane	5.014
48.8539	Hexadecane, 2,6,10,14-tetramethyl-	4.3843
51.2897	Nonadecane	3.2509
51.5951	3-Butyn-1-ol	2.025
53.8934	Eicosane	2.5267
56.3826	Heptadecane, 2,6,10,15-tetramethyl-	1.4892

The peaks are for Figure 2(a) and other peaks are for Figure 2(b).