liquefaction pathways of bituminous subbituminous coals andtheir
liquefaction pathways of bituminous subbituminous coals andtheir liquefaction pathways of bituminous subbituminous coals andtheir
, Table 1 Pyridine Extraction Yields Coals Extractable Yield Residue Yield Total (%)a (%)a Recovery Stockton 13.8 15.6 Pittsburgh #8 26.0 27.0 Blind Canyon 31.1 33.1 Illinois #6 27.3 28.5 Upper Freeport 14.8 15.0 80.2 80.5 69.1 70.5 65.3 64.6 67.3 65.1 81.8 82.7 94.0 96.1 95.2 97.5 96.4 97.5 94.6 93.6 96.6 97.7 Wyodak 6.1 92.4 98.5 6.3 91.7 98.0 3.0 3.2 Pocahontas os os a Weight percent on a dry basis. 650 94.5 94.7 96.8 97.2 97.5 97.9 97.3 97.7
I- z W 0 K W n PROTONATED AROMATIC CARBONS IN PYRIDINE EXTRACTS AND RESIDUES FROM ARGONNE COALS ZAP wvo uinc ILL.' Plne~ LS UT POC COAL(RANK) Figure I Exwc~ yields and fracuon of total mrnanc carbons that an pmtonatcd (f,H) in pyndmc exnacts and resldues of the AF'CS coals. 0 z U 0 2 0 ZAP Figure 2. COORDINATION NUMBER IN PYRIDINE EXTRACTS AND RESIDUES IN ARGONNE COALS UTBC I 110 0 RESIDUE I 1 r I/ Uf E UTRACT COAL(RANK) 4 POC coordinadon number in pyridine cxuacts and residues of the Apcs mala. 651
- 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
- Page 151 and 152: Table 3. Pyridine Extraction Sample
- Page 153 and 154: A bang-bang control strategy was us
- Page 155 and 156: increased from 120°C to 135”C, r
- Page 157 and 158: * wt% based on the amount of naphth
- Page 159 and 160: Use of Biocatalysts for the Solubil
- Page 161 and 162: Results Enzyme Modification with Di
- Page 163 and 164: Conclusions Reducing enzymes can be
- Page 165 and 166: Dynamics of the Extract Molecular-W
- Page 167 and 168: where yi = (x-xi !/pi. The zero mom
- Page 169 and 170: satisfactory agreement between theo
- Page 171 and 172: 0.8 0.6 0.4 0.2 “E \ bo Y, - 1 0
- Page 173 and 174: The Use of Solid State C-13 NMR Spe
- Page 175: differences lie in the fact that th
- Page 179 and 180: ZAP WIO SIDE CHAINS IN PYRIDINE EXT
- Page 181 and 182: ORGAFlIC VOLATILE MATER AND ITS SUL
- Page 183 and 184: (Figure 1). They indicated that the
- Page 185 and 186: Table 3. Elemental analysis of arom
- Page 187: 1- 700'C Figure 3. GClFID chromatog
I- z W<br />
0<br />
K<br />
W n<br />
PROTONATED AROMATIC CARBONS IN<br />
PYRIDINE EXTRACTS AND RESIDUES FROM<br />
ARGONNE COALS<br />
ZAP wvo uinc ILL.' Plne~ LS UT POC<br />
COAL(RANK)<br />
Figure I Exwc~ yields and fracuon <strong>of</strong> total mrnanc carbons that an pmtonatcd (f,H)<br />
in pyndmc exnacts and resldues <strong>of</strong> the AF'CS <strong>coals</strong>.<br />
0<br />
z<br />
U<br />
0 2<br />
0<br />
ZAP<br />
Figure 2.<br />
COORDINATION NUMBER IN PYRIDINE<br />
EXTRACTS AND RESIDUES IN ARGONNE COALS<br />
UTBC<br />
I<br />
110<br />
0 RESIDUE<br />
I 1 r I/<br />
Uf<br />
E UTRACT<br />
COAL(RANK) 4<br />
POC<br />
coordinadon number in pyridine cxuacts and residues <strong>of</strong> the Apcs mala.<br />
651
Change language