Equipment of local streaming potential measurement for...

Details Equipment of local streaming potential measurement for... Equipment of local streaming potential measurement for...

2005-09-06

2005-09-06

Warden, Jill (Department: 1743)

Chemistry: analytical and immunological testing

Measurement of electrical or magnetic property or thermal...

By means of a solid body in contact with a fluid

C073S038000, C073S064560, C073S061730, C210S741000, C210S746000

Reexamination Certificate

active

06939719

ABSTRACT:
The present invention relates to an apparatus for monitoring the progress of membrane fouling that occurs on pores as well as on the surface of a membrane by means of variations of zeta potential (ζ) of a hollow-fiber membrane according to time passage of filtration of a suspension, wherein colloid particles, biopolymers and other inorganic particles are dispersed, and the method thereof. Moreover, the present invention also relates to a method to identify the effect of concentration polarization layer and cake layer which can vary according to the axial position of a hollow-fiber and the developing progress of a membrane fouling by measuring the position-dependent zeta potential of the hollow-fiber membrane.

REFERENCES:
patent: 6463790 (2002-10-01), Chun et al.
patent: 6727099 (2004-04-01), Chun et al.
patent: 1038836 (1989-02-01), None
patent: 6247545 (1994-09-01), None
patent: 8101158 (1996-04-01), None
patent: 11197472 (1999-07-01), None

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