Characterization of anisotropic UF-membranes: top layer thickness and pore structure

F.P. Cuperus; D. Bargeman; C.A. Smolders

doi:10.1016/0376-7388(91)80007-S

Characterization of anisotropic UF-membranes: top layer thickness and pore structure

F.P. Cuperus, D. Bargeman, C.A. Smolders

Membrane Science and Technology

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Abstract

Anisotropic poly(2,6-dimethyl-, 1,4-phenylene oxide) (PPO) ultrafiltration membranes are characterized by means of two techniques. A new method for the determination of skin thicknesses, the gold sol method, is introduced and applied to these membranes. The membranes appeared to have a well-defined skin with a thickness of 0.2 μm. The results were combined with permporometry, a method that measures the size of the active pores that are actually responsible for the membrane performance. By following this approach it is possible to calculate the porosity of the skin layer and to obtain a suitable prediction of the pure water flux.

Original language	English
Pages (from-to)	73-83
Number of pages	11
Journal	Journal of membrane science
Volume	0
Issue number	61
DOIs	https://doi.org/10.1016/0376-7388(91)80007-S
Publication status	Published - 1991

Keywords

poly (2,6-dimethyl-, 1,4-phenylene oxide) membrane
Skin thickness
Gold sol method
Pore size
Porosity
Permporometry
Ultrafiltration membrane
Anisotropic

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10.1016/0376-7388(91)80007-S

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title = "Characterization of anisotropic UF-membranes: top layer thickness and pore structure",

abstract = "Anisotropic poly(2,6-dimethyl-, 1,4-phenylene oxide) (PPO) ultrafiltration membranes are characterized by means of two techniques. A new method for the determination of skin thicknesses, the gold sol method, is introduced and applied to these membranes. The membranes appeared to have a well-defined skin with a thickness of 0.2 μm. The results were combined with permporometry, a method that measures the size of the active pores that are actually responsible for the membrane performance. By following this approach it is possible to calculate the porosity of the skin layer and to obtain a suitable prediction of the pure water flux.",

keywords = "poly (2,6-dimethyl-, 1,4-phenylene oxide) membrane, Skin thickness, Gold sol method, Pore size, Porosity, Permporometry, Ultrafiltration membrane, Anisotropic",

author = "F.P. Cuperus and D. Bargeman and C.A. Smolders",

year = "1991",

doi = "10.1016/0376-7388(91)80007-S",

language = "English",

volume = "0",

pages = "73--83",

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T1 - Characterization of anisotropic UF-membranes

T2 - top layer thickness and pore structure

AU - Cuperus, F.P.

AU - Bargeman, D.

AU - Smolders, C.A.

PY - 1991

Y1 - 1991

N2 - Anisotropic poly(2,6-dimethyl-, 1,4-phenylene oxide) (PPO) ultrafiltration membranes are characterized by means of two techniques. A new method for the determination of skin thicknesses, the gold sol method, is introduced and applied to these membranes. The membranes appeared to have a well-defined skin with a thickness of 0.2 μm. The results were combined with permporometry, a method that measures the size of the active pores that are actually responsible for the membrane performance. By following this approach it is possible to calculate the porosity of the skin layer and to obtain a suitable prediction of the pure water flux.

AB - Anisotropic poly(2,6-dimethyl-, 1,4-phenylene oxide) (PPO) ultrafiltration membranes are characterized by means of two techniques. A new method for the determination of skin thicknesses, the gold sol method, is introduced and applied to these membranes. The membranes appeared to have a well-defined skin with a thickness of 0.2 μm. The results were combined with permporometry, a method that measures the size of the active pores that are actually responsible for the membrane performance. By following this approach it is possible to calculate the porosity of the skin layer and to obtain a suitable prediction of the pure water flux.

KW - poly (2,6-dimethyl-, 1,4-phenylene oxide) membrane

KW - Skin thickness

KW - Gold sol method

KW - Pore size

KW - Porosity

KW - Permporometry

KW - Ultrafiltration membrane

KW - Anisotropic

U2 - 10.1016/0376-7388(91)80007-S

DO - 10.1016/0376-7388(91)80007-S

M3 - Article

SN - 0376-7388

VL - 0

SP - 73

EP - 83

JO - Journal of membrane science

JF - Journal of membrane science

IS - 61

ER -

Characterization of anisotropic UF-membranes: top layer thickness and pore structure

Abstract

Keywords

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