Adsorption of vanillic and syringic acids onto a macroporous polymeric resin and recovery with ethanol:water (90:10 %V/V) solution 机翻标题: 暂无翻译,请尝试点击翻译按钮。

来源
Separation and Purification Technology
年/卷/期
2019 / 217 /
页码
108-117
ISSN号
1383-5866
作者单位
Univ Porto, LSRE LCM, Dept Chem Engn, Fac Engn, Rua Dr Roberto Frias S-N, P-4200465 Porto, Portugal;Univ Porto, LSRE LCM, Dept Chem Engn, Fac Engn, Rua Dr Roberto Frias S-N, P-4200465 Porto, Portugal;Univ Porto, LSRE LCM, Dept Chem Engn, Fac Engn, Rua Dr Roberto Frias S-N, P-4200465 Porto, Portugal;Univ Porto, LSRE LCM, Dept Chem Engn, Fac Engn, Rua Dr Roberto Frias S-N, P-4200465 Porto, Portugal;Univ Porto, LSRE LCM, Dept Chem Engn, Fac Engn, Rua Dr Roberto Frias S-N, P-4200465 Porto, Portugal;Univ Porto, LSRE LCM, Dept Chem Engn, Fac Engn, Rua Dr Roberto Frias S-N, P-4200465 Porto, Portugal;Univ Porto, LSRE LCM, Dept Chem Engn, Fac Engn, Rua Dr Roberto Frias S-N, P-4200465 Porto, Portugal;
作者
Mota, Maria Ines F.;Barbosa, Silvia;Rodrigues Pinto, Paula C.;Ribeiro, Ana Mafalda;Ferreira, Alexandre;Loureiro, Jose Miguel;Rodrigues, Alirio E.;
摘要
In this work the adsorption of vanillic (VA) and syringic (SA) acids onto the nonpolar resin SP700 was investigated aiming to collect data to evaluate their separation from a lignin oxidation mixture containing other phenolic compounds. The respective adsorption equilibrium isotherms in aqueous solutions were assessed at three different temperatures 288, 298 and 333 K and experimental results were fitted with Bi-Langmuir isotherm model. Maximum adsorption capacities of 0.486 g g(dry resin)(-1) and 0.407 g g(dry resin)(-1) were obtained for VA and SA, respectively.
机翻摘要
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关键词/主题词
Vanillic acid;Syringic acid;Adsorption;Nonpolar resin;Breakthrough;Ethanol:water elution;
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