Research experiences in direct potable water treatment using coagulation/ultrafiltration

Recently, new concepts for direct or pre-treatment minimised processes for the treatment of surface waters to potable water have aroused more and more interest. The requirements of such concepts are various and express the desire for high flexibility, adaptation on various water qualities and expand...

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Bibliographic Details
Published in:Water science and technology 2005-01, Vol.51 (6-7), p.221-229
Main Authors: Lerch, A, Panglisch, S, Gimbel, R
Format: Article
Language:English
Subjects:
Adaptation
Coagulation
Colleges & universities
Colloids - chemistry
Drinking water
Educational institutions
Equipment Failure
Flocculation
Hydrogen-Ion Concentration
Membrane filtration
Membranes
Membranes, Artificial
Microfiltration
Particle Size
Permeability
Pretreatment
R&D
Research & development
Research institutions
Solubility
Surface water
Temperature
Time Factors
Ultrafiltration
Ultrafiltration - methods
Waste Disposal, Fluid - methods
Water Pollutants - isolation & purification
Water Purification - methods
Water treatment
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Summary:Recently, new concepts for direct or pre-treatment minimised processes for the treatment of surface waters to potable water have aroused more and more interest. The requirements of such concepts are various and express the desire for high flexibility, adaptation on various water qualities and expandability of the treatment process. These requirements can be nearly ideally achieved by membrane technology. This publication presents the actual approach in research, piloting and operation of selective plants, research institutions and universities for the hybrid process coagulation/ultrafiltration (UF), or microfiltration (MF) respectively. The focus is set on the discussion of the influences of the mass freight, coagulation conditions, temperature and theoretical considerations about the coating layer build-up in dead-end and IN/OUT-mode driven MF and UF capillary membranes with a coagulation step prior to membrane filtration.
ISSN:0273-1223
1996-9732
DOI:10.2166/wst.2005.0641