文献类型：期刊文献

英文题名：High-flux recovery of aromatic compounds from tobacco extract using an MCM-41/PDMS hybrid membrane

作者：Hu, Ruoxin[1,2];Cai, Zhenbo[2];Ji, Lijun[1,2];Wu, Yanyang[1];Ma, Xiaohua[1]

机构：[1]East China Univ Sci & Technol, Sch Chem Engn, Shanghai 200237, Peoples R China;[2]Shanghai Tobacco Grp Co Ltd, Shanghai 200082, Peoples R China

年份：2024

卷号：340

外文期刊名：SEPARATION AND PURIFICATION TECHNOLOGY

收录：;EI(收录号：20240915643796);WOS:【SCI-EXPANDED(收录号:WOS:001196823400001)】；

语种：英文

外文关键词：Pervaporation; Hybrid membrane; Aromatic compounds recovery; Tobacco extract

摘要：Recovery of valuable aromatic compounds from tobacco waste is important, and efficient separation methods remain highly demanding. This work proposed a hybrid PDMS membrane for high flux aromatic compounds recovery. MCM-41, a silicone-based molecular sieve, was selected to fabricate the membrane to improve the pervaporation performance. The prepared MCM-41/PDMS membrane was investigated in model aqueous solution at different concentrations and temperatures. The optimal pervaporation fluxes of the MCM-41/PDMS membrane achieved 0.95 g/(m2 & sdot;h), 0.51 g/(m2 & sdot;h), and 0.26 g/(m2 & sdot;h) for 2-phenylethanol, beta-ionone, and dihydroactinidiolide, respectively, exhibiting superior performance to the PDMS membrane. Moreover, the long-term stability of the hybrid membrane was examined with practical tobacco extract. The average fluxes were 41.20 mg/(m2 & sdot;h), 20.57 mg/(m2 & sdot;h), and 9.73 mg/(m2 & sdot;h), respectively. The hybrid PDMS membrane in this study, with high permeate flux and selectivity, is promising for recovery of aromatic compounds particularly from tobacco waste.