liquefaction pathways of bituminous subbituminous coals andtheir
liquefaction pathways of bituminous subbituminous coals andtheir liquefaction pathways of bituminous subbituminous coals andtheir
0.a . . Temperamure ('C) Figure 1. Tan 6 DMA spectra obtained from 4 OUinin scans of as-received and predried (up to 200OC at 4 OC/min) Pittsburgh No. 8 coal pellet samples. Pellets were. made from -100 mesh powder aftex pressed at 15 kpsi for the duration as specified in the figure. Figure 2. Effect of sample drying on tensile loss modulus obtained at 4°C/min for Pittsburgh No. 8 coal. Sample pellets were made from -100 mesh powder pressed at 15 kpsi for 10 hr. 492 t
-0.01- . 04 5 -0.03- E 6 -0.0s- c) 6 Y 0 .- c) d .- - 0) 3.0 - 3 1.5v1 h 12it Y m 9- 8 J 6- m 2 Pyridine (b) Solvent swelling 1.0- ' 1 ' 8 . I , I . 15 3- 2nd.3rd 1st-2nd lstdrd 0 100 200 300 400 500 Temperature ("C) Figure 3. Difference DSC thermograms as well as profiles of solvent swelling ratio and weight loss obtained at 8 "Umh from -100 mesh Pittsburgh No. 8 coal powder (swelling time:a 5 hr.0, 1 day;., 2 days;A,4 days;o,S days;m,6 days). 493
- Page 1 and 2: LIQUEFACTION PATHWAYS OF BITUMINOUS
- Page 3 and 4: the conversion of A+P and O+G with
- Page 5 and 6: Asphaltcncs PrCasphaltenCS Cwr%, da
- Page 7 and 8: NEW DIRECTIONS TO PRECONVERSION PRO
- Page 9 and 10: ecause of incorporation of the coal
- Page 11 and 12: should be considered more. The step
- Page 13 and 14: 17 18 Run no. 0 cys I ToS-CyS TS-To
- Page 15 and 16: INTRODUCTION Effects of Thermal and
- Page 17: apid decline in modulus. The loss m
- Page 21 and 22: Assessment of Small Particle Iron O
- Page 23 and 24: yields are calculated by subtractin
- Page 25 and 26: conversion is greater than the corr
- Page 27 and 28: Table 3. Effect of Superfine Iron O
- Page 29 and 30: EFFECT OF A CATALYST ON THE DISSOLU
- Page 31 and 32: inherent volatility of Mo(CO), perm
- Page 33 and 34: Analysis of the quantity and compos
- Page 35 and 36: $ EO .- 0 m L 0 c 0 0 > 40 300 350
- Page 37 and 38: 0 0 0 0 0.000 0.005 0.010 0.015 0.0
- Page 39 and 40: of these studies indicate that cont
- Page 41 and 42: Different levels of adsorption occu
- Page 43 and 44: Nominal 2 Table 1. Concentration of
- Page 45 and 46: - iF m 1.6 1.4 1.2 - - - 1- 0 0.8 -
- Page 47 and 48: RESULTS AND DISCUSSION Swelling of
- 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
-0.01-<br />
. 04<br />
5 -0.03-<br />
E<br />
6 -0.0s-<br />
c)<br />
6<br />
Y<br />
0 .- c)<br />
d<br />
.-<br />
-<br />
0)<br />
3.0 -<br />
3 1.5v1<br />
h<br />
12it<br />
Y<br />
m 9-<br />
8<br />
J 6-<br />
m<br />
2<br />
Pyridine<br />
(b) Solvent swelling<br />
1.0- ' 1 ' 8 . I , I .<br />
15<br />
3-<br />
2nd.3rd<br />
1st-2nd<br />
lstdrd<br />
0 100 200 300 400 500<br />
Temperature ("C)<br />
Figure 3. Difference DSC thermograms as well as pr<strong>of</strong>iles <strong>of</strong> solvent swelling ratio and weight<br />
loss obtained at 8 "Umh from -100 mesh Pittsburgh No. 8 coal powder (swelling time:a 5 hr.0,<br />
1 day;., 2 days;A,4 days;o,S days;m,6 days).<br />
493
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