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In this paper, removal of formaldehyde on Zn-modified Co3O4 catalyst under room temperature was investigated. The performance tests on different zinc nitrate molar concentration doped catalysts which were prepared by the hydrothermal method demonstrated that the catalyst shows excellent HCHO removal performance when the zinc nitrate molar concentration was 0.6 (Zn0.6CoO). The effects of Zn addition...
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