Accelerated deactivation studies of the natural-gas oxidation catalyst—Verifying the role of sulfur and elevated temperature in catalyst aging

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Accelerated deactivation studies of the natural-gas oxidation catalyst—Verifying the role of sulfur and elevated temperature in catalyst aging

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作者：Mari Honkanen^a ; ^{mari.honkanen@tut.fi" class="auth_mail" title="E-mail the corresponding author} ; Marja Kä ; rkkä ; inen^b ; ^{marja.karkkainen@oulu.fi" class="auth_mail" title="E-mail the corresponding author} ; Tanja Kolli^b ; ^{tanja.kolli@oulu.fi" class="auth_mail" title="E-mail the corresponding author} ; Olli Heikkinen^c ; ^{olli.heikkinen@aalto.fi" class="auth_mail" title="E-mail the corresponding author} ; Ville Viitanen^c ; ^{ville.j.viitanen@gmail.com" class="auth_mail" title="E-mail the corresponding author} ; Lunjie Zeng^d ; ^{lunjie@chalmers.se" class="auth_mail" title="E-mail the corresponding author} ; Hua Jiang^c ; ^{hua.jiang@aalto.fi" class="auth_mail" title="E-mail the corresponding author} ; Kauko Kallinen^e ; ^{kki@dinex.fi" class="auth_mail" title="E-mail the corresponding author} ; Mika Huuhtanen^b ; ^{mika.huuhtanen@oulu.fi" class="auth_mail" title="E-mail the corresponding author} ; Riitta L. Keiski^b ; ^{riitta.keiski@oulu.fi" class="auth_mail" title="E-mail the corresponding author} ; Jouko Lahtinen^c ; ^{jouko.lahtinen@aalto.fi" class="auth_mail" title="E-mail the corresponding author} ; Eva Olsson^d ; ^{eva.olsson@chalmers.se" class="auth_mail" title="E-mail the corresponding author} ; Minnamari Vippola^a ; ^{minnamari.vippola@tut.fi" class="auth_mail" title="E-mail the corresponding author}
关键词：Palladium ; Platinum ; Deactivation ; Thermal aging ; Sulfur poisoning
刊名：Applied Catalysis B: Environmental
出版年：2016
出版时间：March 2016
年：2016
卷：182
期：Complete
页码：439-448
全文大小：3542 K

文摘

class="label">•: In thermal aging, grown particles with Pt/Pd core and PdO shell formed.
class="label">•: Al₂(SO₄)₃ formed near small PtPd particles during S-treatment.
class="label">•: With grown particles, Pt/Pd core + PdO shell, Al₂(SO₄)₃ formed randomly in catalyst.
class="label">•: Combined morphological changes and Al₂(SO₄)₃ formation deactivated catalyst.