화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.60, 259-267, April, 2018
DOI10.1016/j.jiec.2017.11.012  Export Citation
Recycling of red mud as a catalyst for complete oxidation of benzene
Wang Geun Shim, Jae Woon Nah, Ho-Young Jung1, Young-Kwon Park2, Sang Chul Jung3, and Sang Chai Kim4
  • Department of Polymer Science and Engineering, Sunchon National University, 255 Jungang-ro, Suncheon 57975, Republic of Korea
  • 1Department of Environment and Energy Engineering, Chonnam National University, Gwangju 61186, Republic of Korea
  • 2School of Environmental Engineering, University of Seoul, 163 Siripdae Ro, Dongdaemun Gu, Seoul 02504, Republic of Korea
  • 3Department of Environmental Engineering, Sunchon National University, 255 Jungang-ro, Suncheon 57975, Republic of Korea
  • 4Department of Environmental Education, Mokpo National University, 1666 Youngsan Ro, Cheonggye Myeon, Muan 58554, Republic of Korea
n this work, we investigated waste red mud (WRM) generated from industrial processes as a potential catalyst support for the complete oxidation of toxic organic compounds. Two different types of red mud based catalysts were prepared using calcination (CRM) and hydrochloric acid aqueous solution (HRM) pretreatments. In addition, HRMs loaded with different amounts of palladium were prepared and examined for their catalytic behaviors. For comparison, aluminas (γ-Al2O3) loaded with different amounts of palladium were also used. The catalyst samples prepared were characterized by using nitrogen adsorption, ICP-AES, TPR, XRD, FT-IR, and FE-TEM to examine their textural and chemical characteristics. The catalytic activity of the samples used depended on the pretreatment techniques applied, lattice oxygen mobility, the type of supports, and the loading amount of palladium. It was also interesting to note that water vapor in the feed stream inhibits catalytic activity for the complete oxidation of benzene.
Keywords:Catalyst;Oxidation;Palladium;Pretreatment;Support
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