Removals of aqueous sulfur dioxide and hydrogen sulfide using CeO2-NiAl-LDHs coating activated carbon and its mix with carbon nano-tubes》.pdf

Colloids and Surfaces A: Physicochem. Eng. Aspects 476 (2015) 90–97 Contents lists available at ScienceDirect Colloids and Surfaces A: Physicochemical and Engineering Aspects j o u r na l h o m e p a g e : w w w. elsev /locate/cols urfa Removals of aqueous sulfur dioxide and hydrogen sulfide using CeO2-NiAl-LDHs coating activated carbon and its mix with carbon nano-tubes Jing Li a , Fang Ping Chen a , Guan-Ping Jin a,∗ , Xiao-Shuang Feng b , Xiao-Xuan Li a a Anhui Key Lab of Controllable Chemical Reaction Material Chemical Engineering, School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China b Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia h i g h l i g h t s g r a p h i c a l a b s t r a c t • Mixture of activated carbon and nano-tuabes support with good adsorption and conduction. • NiAl/layered double hydroxide catalyst-sorbent. • CeO2 is used as a promoter in redox reactions. • Ce-doped NiAl/layered dou- ble hydroxide/activated carbon catalyst-sorbents. • Removal of aqueous sulfur dioxide and hydrogen sulfide using adsorp- tion and electrochemical method. a r t i c l e i n f o a b s t r a c t Article history: Ce-doped NiAl/layered double hydroxide was coated at activated carbon by urea hydrolysis method Received 29 December 2014 (CeO2 -NiAl-LDHs/AC) in one pot, which was characterized