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Carbon nanotubes (CNTs) were firstly thermal treated and then acid treated in HNO3 or mixture of HNO3 and H2SO4. The treated carbon nanotubes were used as support to load nickel to prepare non-noble metal hydrogenation catalysts. These catalysts were characterized and applied in 1,5-dinitronaphthalene hydrogenation. The characterization results indicate that acid modified carbon nanotubes not only...
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