liquefaction pathways of bituminous subbituminous coals andtheir
liquefaction pathways of bituminous subbituminous coals andtheir liquefaction pathways of bituminous subbituminous coals andtheir
I References 1) Song, C.; Schobert, H. H.; Hatcher, P.G.; Am. Chem. SOC. Div. Fuel Chem. Prepr. 1992.37, 638. 2) Hatcher, P. G,.; Energy Fuels 1988,2,40 3) Hatcher, P. G.; Lerch, H.E.; Verheyen, T. V.; Int. Jow. Coal. Geol. 1989.13.65. 4) Hatcher, P. G.; Lerch, H. E.; Kotra, P.K.; Verheyen, T. V.; Fuel 1988.67, 106. 5) Hatcher, P. G.; Wilson, M.A.; Vassallo, A. M.; Inr. Jow. Coal. Geol. 1989.13.99. 6) Hatcher, P. G.; Lerch, H. E.; Bates, A. L.; Verheyen, T. V.; 0rg.Geochemisrry 1989.1 4,145. 7) Siskin, M.; Brons, G.;Vaughn, S.N.;Katxitzky, A.K.;Balasubramanian, M.;Energy & Fuels 1990,4, 488. 8) Kahitzky, A. K. and Siskin, M. Energy Fuels, 1990.4.475-584. 9) Katritzky, A.K.; Murugan, R.; Balasubramanian. M.; Siskin, M.; Energy Fuels 1990,4, 482. 10) Hatcher, P. G.; Org. Geochem. 1990.16, 959.
145 30 I --/---Jh I , , I I , 250 200 150 100 50 0 50 Patapsco lignite lOdays @ 100 C 2hrs @ 300 C 3hrs @ 350 C Figure 1. CPMAS 13NMR of the Patapsco lignite and the thermally altered residues. 575
- Page 49 and 50: . . % . . 9 'HF 0 0 0 *. . 0 . . 0
- Page 51 and 52: 1.50 KQ 1.00 0.50 I / ' 02 525 I 1
- Page 53 and 54: hydrogen atoms. The hydrogen atoms
- Page 55 and 56: D to generate more D atoms. It is r
- Page 57 and 58: 12. a. Poutsma, M. L.; Dyer, C. W.
- Page 59 and 60: Figure 3. Minimum Steps to Explin D
- Page 61 and 62: Apoaratus and Procedure Microflow R
- Page 63 and 64: Model ComDound Test Figure 5 shows
- Page 65 and 66: Figure 1. High resolution gas chrom
- Page 67 and 68: Figure 5. Product distribution for
- Page 69 and 70: THQ at somewhat higher temperatures
- Page 71 and 72: areas of the particles and the SEM
- Page 73 and 74: Experimental Catalyst Precursors an
- Page 75 and 76: impregnating solvent. Table 3 shows
- Page 77 and 78: of MoCo-TC2 at the level of 0.5 wt%
- Page 79 and 80: Table 4. Effect of Temperature Prog
- Page 81 and 82: In the past, chemical treatments in
- Page 83 and 84: The effect of Corn20 preaatment on
- Page 85 and 86: Reaction Time Figure 1 - Schematic
- Page 87 and 88: DISSOLUTION OF THE ARGONNE PREMIUM
- Page 89 and 90: A much more def~tive trend is seen
- Page 91 and 92: EFFECT OF CHLOROBENZENE TREATMENT O
- Page 93 and 94: same conditions and an extraction t
- Page 95 and 96: ACKNOWLEDGEMENT The authors thank t
- Page 97 and 98: THE STRUCTURAL &=RATION OF HUMINlTE
- Page 99: to be originally derived from demet
- Page 103 and 104: THE EFFECTS OF MOISTURE AND CATIONS
- Page 105 and 106: 1 for the Zap lignite. These result
- Page 107 and 108: content of the samples ion-exchange
- Page 109 and 110: Table 1. F'yrolysis Results of Vacu
- Page 111 and 112: 585 I
- Page 113 and 114: EFFECT OF TEMPERATURE, SAMPLE SI2E
- Page 115 and 116: of some of the thermobalance runs.
- Page 117 and 118: 2. The mechanism of drying is a uni
- Page 119 and 120: Influence of Drying and Oxidation 0
- Page 121 and 122: "c gives W conversion mpared to the
- Page 123 and 124: Table 1. Products dismbutions (dmmf
- Page 125 and 126: - 50 45 40 E 35 2 30 E T) 25 ap 20
- Page 127 and 128: Influence of Drying and Oxidation o
- Page 129 and 130: FTIR . . of the L m To investigate
- Page 131 and 132: CONCLUSIONS The characexizntion of
- Page 133 and 134: A b S 0 r b a n C e A b s 0 r b a n
- Page 135 and 136: An NMR Investigation of the Effd of
- Page 137 and 138: for determining the area of the pea
- Page 139 and 140: of the ronl roniponcnte nnd (2) the
- Page 141 and 142: 2w 180 160 9 140 120 P loo f 80 P O
- Page 143 and 144: 25 I 20 ' + 0 Drying lime, hours Fi
- Page 145 and 146: substructure have been identified a
- Page 147 and 148: Pyridine extraction showed that 60
- Page 149 and 150: Figure 1. Reflected white-light pho
145 30<br />
I<br />
--/---Jh I<br />
, ,<br />
I<br />
I ,<br />
250 200 150 100 50 0 50<br />
Patapsco lignite<br />
lOdays @ 100 C<br />
2hrs @ 300 C<br />
3hrs @ 350 C<br />
Figure 1. CPMAS 13NMR <strong>of</strong> the Patapsco lignite and the thermally altered residues.<br />
575
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