SUSTAINABLE ADSORPTIVE REMOVAL OF NICKEL AND CHROMIUM USING AN ECO-FRIENDLY INDUSTRIAL WASTE: A KINETIC STUDY
作者: Yehia H. MagdyHossam AltaherAnwar F. Al Yaqout
刊名: Journal of Chemical Technology and Metallurgy, 2020, Vol.55 (2)
来源数据库: University of Chemical Technology and Metallurgy
关键词: AdsorptionFuller’s earthIndustrial wastesKinetic modelsSustainabilityWastewater
原始语种摘要: Due to the high cost of activated carbon as an adsorbent, there is a growing interest in a search of alternative sustainable adsorbents. The objective of this study is to investigate the potential use of fuller’s earth (a solid waste from vegetable oils industry) as an adsorbent for chromium and nickel ions. The adsorption is investigated under different experimental conditions referring to the initial concentration (2 - 12 mg/L), the adsorbent dose (0.15 - 1.8 g/L), and the contact time (0 - 360 min). The adsorption kinetics is examined using the pseudo first order, the pseudo second order, the Elovich, the intraparticle diffusion, and the Boyd models. The equilibrium is attained within 240 min. The adsorption of chromium and nickel ions is found to have a chemical nature as revealed by...
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关键词翻译
关键词翻译
  • adsorption 吸附
  • adsorbent 吸附剂
  • chromium 
  • Adsorption 吸附
  • kinetics 动力学
  • initial 开首字母
  • waste 岩屑
  • chemical 化学的
  • pseudo 
  • conditions 条件式