Polymeric Membranes With Sufficient Thermo-Mechanical Stability to Deploy Temperature Enhanced Backwash

被引：0
|
作者：
Aumeier, Benedikt M. [1 ,2 ]
Vollmer, Fabian [1 ]
Lenfers, Simon [1 ]
Yuece, Suleyman [1 ]
Wessling, Matthias [1 ,3 ]
机构：
[1] Rhein Westfal TH Aachen, Aachener Verfahrenstech, Chem Proc Engn, Forckenbeckstr 51, D-52074 Aachen, Germany
[2] Rhein Westfal TH Aachen, Inst Environm Engn, Mies van der Rohe Str 1, D-52074 Aachen, Germany
[3] DWI Leibniz Inst Interact Mat, Forckenbeckstr 50, D-52074 Aachen, Germany
来源：
CHEMIE INGENIEUR TECHNIK | 2021年 / 93卷 / 09期
关键词：
Alternative membrane cleaning; Material investigation and characterization; Repeated load cycle; Temperature enhanced backwash; Tensile testing;
D O I：
10.1002/cite.202100020
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The alternative membrane cleaning method Temperature Enhanced Backwash exploits elevated temperatures of typically 125 degrees C to realize high shear rate. This exceeds usual operating temperatures by far. Therefore, the thermo-mechanical properties of polymeric membranes were investigated. A repeated load cycle testing was suited and sensitive to detect the failure of membrane material and potting. All tested PES membranes showed to be stable during the repeated load cycle testing. The potting adhesive may be decisive, thus, a tensile test at 125 degrees C is proposed.
引用
收藏
页码：1417 / 1422
页数：6
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