Journal
FUEL
Volume 177, Issue -, Pages 251-259Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2016.02.093
Keywords
Desulphurization; Sorbent; Lanthana; La2CuO4; ZSM-5
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Funding
- Science and Technology Commission of Shanghai Municipality China [15dz1200703, 12dz1201702, 15110501000]
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The high-temperature H2S removal was conducted over xLayCu/ZSM-5 sorbents prepared via citric acid method. The sorbents showed good desulphurization performance, the maximal sulfur capacity of 2240.5 mu mol S/g over 5La5Cu/ZSM-5 was achieved at 700 degrees C. The presence of H-2 obviously shortened the breakthrough time and reduced the sulfur capacity. However, the presence of CO had little influence on the desulphurization behavior. The sulfidation activity of La2O3 can be significantly enhanced by introduction of Cu due to the intimate mixing of La2O3 and CuO, the formation of La2CuO4 compound. (C) 2016 Elsevier Ltd. All rights reserved.
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