Application of Activated Carbon Fiber Coated with Cobalt Oxide in Mercury Removal from Simulated Flue Gas

2011 ◽  
Vol 356-360 ◽  
pp. 547-553
Author(s):  
Yong Fa Diao ◽  
Jian Dong Ding ◽  
Wan Xuan Yu ◽  
Yue Zou ◽  
Wei Hui Hao
Keyword(s):  
Activated Carbon ◽  
Carbon Fiber ◽  
Catalytic Oxidation ◽  
Cobalt Oxide ◽  
Flue Gas ◽  
Adsorption Properties ◽  
Activated Carbon Fiber ◽  
Mercury Removal ◽  
Measurement Results ◽  
Element Mercury

In this paper, cobalt oxide was deposited on the surface of Activated Carbon Fiber (ACF) by adsorption and was then sintered. The effects of cobalt oxide on the properties of ACF were studied by XPS, FTIR, and XRD methods. Mercury removal performance was also investigated. 5% cobalt was well dispersed on the surface of ACF, and a variety of oxygen-containing groups had been enhanced. The chemical functional groups on the surface of ACF were changed to strengthen the adsorption and catalytic oxidation of ACF to the element mercury (Hg0). The measurement results showed that ACF coated with cobalt oxide had higher adsorption properties.

Removal of Gas-Phase Element Mercury by Activated Carbon Fiber Impregnated with CeO2

2010 ◽  
Vol 24 (8) ◽  
pp. 4250-4254 ◽  
Author(s):  
Xiaopeng Fan ◽  
Caiting Li ◽  
Guangming Zeng ◽  
Zhao Gao ◽  
Ling Chen ◽  
...  
Keyword(s):  
Activated Carbon ◽  
Carbon Fiber ◽  
Gas Phase ◽  
Activated Carbon Fiber ◽  
Element Mercury

scholarly journals Simultaneous Catalysis of Sulfite Oxidation and Uptake of Heavy Metals by Bifunctional Activated Carbon Fiber in Magnesia Desulfurization

Catalysts ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 244
Author(s):  
Yuguo Wang ◽  
Tieyue Qi ◽  
Mengxuan Hu ◽  
Yu Yang ◽  
Lei Xing ◽  
...  
Keyword(s):  
Heavy Metals ◽  
Activated Carbon ◽  
Carbon Fiber ◽  
Catalytic Oxidation ◽  
Single Layer ◽  
Bifunctional Catalyst ◽  
Activated Carbon Fiber ◽  
Impregnation Method ◽  
Characterization Methods ◽  
Operation Conditions

Sulfite and heavy metals are crucial pollutants in the slurry produced by flue gas desulfurization. In this study, a novel cobalt-based activated carbon fiber (Co-ACFs) catalyst-adsorbent was synthesized using an impregnation method; this bifunctional catalyst-adsorbent was used in wet magnesia desulfurization for the simultaneous catalytic oxidation of magnesium sulfite and uptake of heavy metal (Hg2+, Cd2+, and Ni2+) ions. The morphology and surface chemistry of ACFs before and after cobalt loading were investigated using various characterization methods. The kinetics on catalytic oxidation of magnesium sulfite was investigated, and the effects of operation conditions on the simultaneous adsorption capacity of heavy metals were examined. Relative to a non-catalysis material, the 40% Co-ACFs material increased the oxidation rate of magnesium sulfite by more than five times. The Langmuir model can describe the adsorption behavior of Co-ACFs on Hg2+, Cd2+, and Ni2+, indicating that the simultaneous uptake of heavy metals is a single-layer adsorption process. The maximum adsorption capacities for Hg2+, Cd2+, and Ni2+ are 333.3, 500, and 52.6 mg/g, respectively. A pseudo-second-order model confirmed that the removal of heavy metals is controlled by the chemisorption process.

Removal of SO2 from O2-containing flue gas by activated carbon fiber (ACF) impregnated with NH3

Chemosphere ◽  
2006 ◽  
Vol 62 (5) ◽  
pp. 823-826 ◽  
Author(s):  
Lüsi Xu ◽  
Jia Guo ◽  
Feng Jin ◽  
Hancai Zeng
Keyword(s):  
Activated Carbon ◽  
Carbon Fiber ◽  
Flue Gas ◽  
Activated Carbon Fiber ◽  
Removal Of So2

Adsorption properties of nitrogen-alloyed activated carbon fiber

Carbon ◽  
2001 ◽  
Vol 39 (7) ◽  
pp. 1075-1082 ◽  
Author(s):  
Cheol-Min Yang ◽  
Katsumi Kaneko
Keyword(s):  
Activated Carbon ◽  
Carbon Fiber ◽  
Adsorption Properties ◽  
Activated Carbon Fiber
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