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Screening of Zinc-Based Sorbents for Hot-Gas Desulfurization

Highly reactive and attrition-resistant ZnO-based sorbents that are suitable for bubbling fluidized-bed reactors can be produced using the spray-drying method. Most of the ZnO-based sorbents prepared here (ZAC-X, X = 18N−25N) satisfy the physical and chemical criteria for bubbling fluidized-bed appl...

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Published in:	Energy & fuels 2008-03, Vol.22 (2), p.1021-1026
Main Authors:	Lee, Joong B, Ryu, Chong K, Yi, Chang K, Jo, Sung H, Kim, Sung H
Format:	Article
Language:	English
Subjects:	01 COAL, LIGNITE, AND PEAT ADSORBENTS Air pollution caused by fuel industries Applied sciences attrition DESULFURIZATION Energy Energy. Thermal use of fuels Environmental Exact sciences and technology FLUIDIZED BED REACTORS Fuels HOT GAS CLEANUP Korea, Rep Particle size PERFORMANCE TESTING Pollution reduction Q1 Q3 REGENERATION Sorbents Sorption Stack gas and industrial effluent processing SULFIDATION Sulfur WEAR RESISTANCE ZINC COMPOUNDS ZINC OXIDES
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creator	Lee, Joong B Ryu, Chong K Yi, Chang K Jo, Sung H Kim, Sung H
description	Highly reactive and attrition-resistant ZnO-based sorbents that are suitable for bubbling fluidized-bed reactors can be produced using the spray-drying method. Most of the ZnO-based sorbents prepared here (ZAC-X, X = 18N−25N) satisfy the physical and chemical criteria for bubbling fluidized-bed application [spherical shape, average particle size, 90−110 µm; size distribution, 40−230 µm; bulk density, 0.9−1.0 g/mL; attrition index (AI), 40−80%; sulfur sorption capacity, 14−17 wt %; sorbent use, 70−80%]. The performance test of the ZAC-C sorbent at Korea Institute of Energy Research (KIER) with a bubbling fluidized-bed for 70 h also demonstrated that it had good sulfidation and regeneration performance (11 wt % sorption capacity and 52% sorbent use) as well as reasonable attrition resistance (1.1% attrition loss for 70 h).
doi_str_mv	10.1021/ef7004089
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The performance test of the ZAC-C sorbent at Korea Institute of Energy Research (KIER) with a bubbling fluidized-bed for 70 h also demonstrated that it had good sulfidation and regeneration performance (11 wt % sorption capacity and 52% sorbent use) as well as reasonable attrition resistance (1.1% attrition loss for 70 h).</description><identifier>ISSN: 0887-0624</identifier><identifier>EISSN: 1520-5029</identifier><identifier>DOI: 10.1021/ef7004089</identifier><identifier>CODEN: ENFUEM</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>01 COAL, LIGNITE, AND PEAT ; ADSORBENTS ; Air pollution caused by fuel industries ; Applied sciences ; attrition ; DESULFURIZATION ; Energy ; Energy. 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Most of the ZnO-based sorbents prepared here (ZAC-X, X = 18N−25N) satisfy the physical and chemical criteria for bubbling fluidized-bed application [spherical shape, average particle size, 90−110 µm; size distribution, 40−230 µm; bulk density, 0.9−1.0 g/mL; attrition index (AI), 40−80%; sulfur sorption capacity, 14−17 wt %; sorbent use, 70−80%]. The performance test of the ZAC-C sorbent at Korea Institute of Energy Research (KIER) with a bubbling fluidized-bed for 70 h also demonstrated that it had good sulfidation and regeneration performance (11 wt % sorption capacity and 52% sorbent use) as well as reasonable attrition resistance (1.1% attrition loss for 70 h).</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><doi>10.1021/ef7004089</doi><tpages>6</tpages></addata></record>
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source	American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list)
subjects	01 COAL, LIGNITE, AND PEAT ADSORBENTS Air pollution caused by fuel industries Applied sciences attrition DESULFURIZATION Energy Energy. Thermal use of fuels Environmental Exact sciences and technology FLUIDIZED BED REACTORS Fuels HOT GAS CLEANUP Korea, Rep Particle size PERFORMANCE TESTING Pollution reduction Q1 Q3 REGENERATION Sorbents Sorption Stack gas and industrial effluent processing SULFIDATION Sulfur WEAR RESISTANCE ZINC COMPOUNDS ZINC OXIDES
title	Screening of Zinc-Based Sorbents for Hot-Gas Desulfurization
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