Investigation on durability and reactivity of promising metal oxide sorbents during sulfidation and regeneration. Quarterly report, July 1 - September 30, 1995 Page: 16 of 22
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Table 6. Reactivity of 0.1-g ZT-4 sorbent with the initial concentration 9107-ppm
H2S and 0.085-g water at various temperaures.asn 0C
Ann 0C
,;nfn0c
Run # Reaction Concentration Run # Reaction Concentration Run # Reaction Concentration
Time, min of HAS. pom time, min of HIS, pom time. min of HAS. oom
172 1 4624 165 1 5048 128 5 1498
177 1 4499 141 3 435R 129 10 16715
17R 3 6704 164 3 19R4 127 70 19
- 605 - 3 1966 70 146
179 5 5871 140 5 3074 20 14 _
_ L 253 W2 21D 12 D817L
171 7 5(R" 166 7 651 1 0 1749
~7 44R4 7 232721 _ 40 1D32
175 22 1377 7 740 1793
in 3492 170 77966 13 in 1660l
181 1's 7651 7 7977 50 1661
15 760 144 10 777110 6M 1710
176 20 717 10 451 60 17R
20 _71 169 1 2L46
1RO 40 3036 1076
40 7919 111( 70 2081
174 60 759R - 0 ')032
6n '777 169 70 7MA
70 7736
167, 10 7540
143 30 7491
142 40 70
747
1631 40 13
1 4 0 1%9
135 60 17
Effects of moisture on reactivity of ZT-4 sorbent with H2S were investigated at
350*C (Tables 7 and 8, Figures 5 and 6). Increased moisture increases removal of H2S
below equilibrium absorption, as shown in Figure 5. Equilibrium absorption of H2S
appears to be independent of moisture amounts, as shown in Figure 6. This fact may
indicate that moisture does not affect equilibrium absorption for the absorption of H2S
into ZT-4 sorbent at 350"C.
Table 7. Effects of moisture on reactivity of 0.1-g ZT-4 sorbent with the initial
concentration 9107-ppm H2S for 3 min at 350*C.Run # Amount of Water, g Concentration of H2S, ppm
1$2 A O94 AAA1
8A' 49 AAAA
1R. 01179 4816
___ __ ___ __ ___ _ 1179 4___ _ __ __ _ __ _
__ __ __ __ __ __ _ 1179 __ _ __ _ 74 _ __ _9
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Investigation on durability and reactivity of promising metal oxide sorbents during sulfidation and regeneration. Quarterly report, July 1 - September 30, 1995, report, December 31, 1995; United States. (https://digital.library.unt.edu/ark:/67531/metadc683331/m1/16/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.