Effect of Unipolar Corona Discharge Parameters on the Surface Characteristics of Polysulfonamide Membranes and Their Separation Efficiency for Water-in-Oil Emulsions

被引：1

作者：

Alekseeva, M. Yu. ^{[1
]}

Dryakhlov, V. O. ^{[1
]}

Shaikhiev, I. G. ^{[1
]}

Galikhanov, M. F. ^{[1
]}

Nizameev, I. R. ^{[2
]}

机构：

[1] Kazan Natl Res Technol Univ, Kazan 420015, Republic Of Tat, Russia

[2] Tupolev Natl Res Tech Univ, Kazan 420111, Republic Of Tat, Russia

来源：

SURFACE ENGINEERING AND APPLIED ELECTROCHEMISTRY | 2020年 / 56卷 / 02期

关键词：

polysulfonamide membrane; corona discharge; treatment; water-in-oil emulsion; ultrafiltration; separation efficiency; COMPOSITE MEMBRANES; POLYMER MEMBRANES; AIR PLASMA; ULTRAFILTRATION; PERFORMANCE;

D O I：

10.3103/S1068375520020027

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Ultrafiltration polysulfonamide (PSA) membranes with a molecular weight cutoff of 100 kDa have been treated in a unipolar corona discharge field in an air atmosphere at varying voltage (5, 15, 25, and 35 kV) and corona discharge treatment times (1, 3, and 5 min). Using instrumental methods of analysis, it has been revealed that the treatment leads to changes in the surface structure of the membrane, namely, an increase in the roughness and hydrophilicity and, as a consequence, in the flux and separation efficiency for a model water-in-oil emulsion. It has been found that the maximum efficiency (89.3%) is exhibited by a PSA membrane treated with a corona discharge at a voltage of 35 kV for 5 min.

引用

页码：222 / 227

页数：6

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