Physical and chemical modification of lignocellulosic waste biomass-tool for improving sorption capacity
作者: Zorica LopicicTatjana ŠoštarićJelena MilojkovićMarija MihajlovićJelena PetrovićIvan AntanaskovićMirjana Stojanović
作者单位: 1Institute for Technology of Nuclear and Mineral Raw Materials, Belgrade, Serbia
2Investfarm-Impex doo, Beograd, Serbia
刊名: Journal of Engineering & Processing Management, 2018, Vol.10 (1), pp.34-41
来源数据库: Faculty of Technology Zvornik, university of east Sarajevo
DOI: 10.7251/JEPM1810034L
关键词: Peach stonesModificationSorptionKineticsFT-IR
原始语种摘要: The main constituents of ligno-cellulosic (LC) biomass are lignin, celluloses and hemicelluloses, complex polymers with many functional groups, which can be modified with the purpose to improve the sorption properties of the starting material. This paper presents several physical and chemical modifications applied to LC biomass of peach stones (Prunus persica L.), abundant waste from food industry. These stones were firstly mechanically activated in two mill types, and then by different chemicals. Sorption experiments were performed in batch reaction system with stirring. Cu(II) sorption kinetic was tested through three reaction kinetic models: pseudo-first order, pseudo-second order and Elovich equation. FT-IR analyses of chemically modified samples is also presented and discussed.
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关键词翻译
关键词翻译
  • chemical 化学的
  • waste 岩屑
  • sorption 吸着
  • biomass 生物量
  • first 第一
  • equation 方程
  • modified 改进
  • reaction 反酌
  • applied 应用的
  • pseudo