A method and apparatus for removing nitrogen oxides from internal combustion engine exhaust emissions consisting of the operations of contacting the exhaust emissions with a non-thermal plasma (1) and a silver doped alumina catalyst (2) and then an indium-doped zeolite catalyst (3).

 
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< Zinc oxide semiconductor material

< NOx, Hg, and SO2 removal using ammonia

> Method for producing artificial powder graphite

> Process for preparation of zirconium tungstate ceramic body, zirconium tungstate ceramic body prepared thereby, and temperature compensated fiber bragg grating device

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