Lean NO x Reduction with Various Bio-Diesels as Reducing Agents

Erkfeldt, Sara U; Palmqvist, Anders; Petersson, Martin

doi:10.1007/s11244-011-9746-2

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Catalytic Activity With Triglyme As Reducing Agent1

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2012

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“…A previous study of the same catalysts with different biodiesels as reducing agents showed that the oxygenated fuel RME gave a lower maximum NO x conversion and at a higher temperature over the Ag/Al 2 O 3 catalyst than over Cu-ZSM-5 [6]. In general, Ag/Al 2 O 3 was there found active at a higher temperature and shown to be more sensitive to the fuel used as reducing agent than Cu-ZSM-5.…”

Section: Catalytic Activity With Triglyme As Reducing Agentmentioning

confidence: 80%

Promoting Effect of Triglyme on Lean NOx Reduction Over Ag/Al2O3

Erkfeldt

Palmqvist

2012

Catal Lett

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The highly oxygenated hydrocarbon triethylene glycol dimethyl ether or triglyme (CH 3 O-(C 2 H 4 O-) 3 CH 3 ) was found to efficiently reduce NO x under lean conditions over Ag/Al 2 O 3 , but gave a low NO x conversion over Cu-ZSM-5. Furthermore, triglyme showed an extraordinary promoting effect when added together with propene as reducing agent for NO x over Ag/Al 2 O 3 at low temperature. This is most likely due to that triglyme promotes the activation of propene.

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Section: Catalytic Activity With Triglyme As Reducing Agentmentioning

confidence: 80%