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首页> 外文期刊>Journal of industrial and engineering chemistry >Recovery of pyridine from water by pervaporation using filled and crosslinked EPDM membranes
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Recovery of pyridine from water by pervaporation using filled and crosslinked EPDM membranes

机译：使用填充和交联的EPDM膜通过全蒸发从水中回收吡啶

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摘要

Organoselective membrane was prepared from ethylene propylene diene monomer (EPDM) rubber. Crosslinked EPDM rubber was filled with 2, 4 and 6 wt% N330 carbon black filler to produce three different filled membranes designated as EPDMCV2, EPDMCV4 and EPDMCV6, respectively. These filled rubber membranes were used for pervaporative recovery of low concentration of pyridine from water. These filled membranes were characterized by crosslink density, SEM, XRD and mechanical properties. Sorption thermodynamics were discussed. Partial permeability, intrinsic membrane selectivity and diffusion coefficients of solvents were also determined. The filled membranes showed much higher pyridine selectivity than most of the membranes reported for similar system.
机译：有机选择性膜由乙丙丙烯二烯单体（EPDM）橡胶制备。交联的EPDM橡胶填充有2、4和6 wt％的N330炭黑填料，以生产三种不同的填充膜，分别称为EPDMCV2，EPDMCV4和EPDMCV6。这些填充的橡胶膜用于从水中全蒸发回收低浓度的吡啶。这些填充的膜的特征在于交联密度，SEM，XRD和机械性能。讨论了吸附热力学。还测定了部分渗透率，固有膜选择性和溶剂的扩散系数。填充的膜显示出比类似系统报道的大多数膜更高的吡啶选择性。

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