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Chemcial Industry and Engineering 2008, Vol. 25 Issue (2) :95-97    DOI:
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Electrical Conductivity and Catalytic Reduction of SO_2 by CO over Sulfurized La_(1-x)Sr_xCoO_3
WANG Qian,MA Zhi(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China)
(School of Chemical Engineering and Technology,Tianjin University,Tianjin 300072,China

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Abstract The structure,electrical conductivity and catalytic reduction of SO_2 by CO over sulfurized(La_(1-x)Sr_xCoO_3)(x=0.0～0.3)were investigated.The results showed that the sulfurized samples of La_(1-x)Sr_xCoO_3 are P-type semiconductor and the effect of catalysts on SO_2 is stronger than that on CO.In reaction mixture,the bigger the adsorptive capacity of SO_2,the higher its catalytic activity over La_(0.8)Sr_(0.2)CoO_3;the weaker the adsorptive capacity of SO_2,the lower its catalytic activity over La_(0.7)Sr_(0.3)CoO_3.It can be concluded that there is a certain relationship between the adsorptive capacity of SO_2 and catalytic activity of the catalyst.
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Received 2008-03-15; published 2008-03-15
Cite this article:   
WANG Qian,MA Zhi.Electrical Conductivity and Catalytic Reduction of SO_2 by CO over Sulfurized La_(1-x)Sr_xCoO_3[J]  Chemcial Industry and Engineering, 2008,V25(2): 95-97
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