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Membrane Pretreatment: A Method for Reducing Fouling by Natural Organic Matter.
Journal of Colloid and Interface Science
|January 13, 2000
Summary
Pretreating polysulfone ultrafiltration membranes with surfactants like Triton X-100 and Pluronic F108 effectively reduces fouling from natural organic matter in brown water purification. This improves permeate quality and membrane performance for water treatment plants.
Area of Science:
- Environmental Science
- Chemical Engineering
- Materials Science
Background:
- Natural brown water contains organic matter that causes fouling in polysulfone ultrafiltration membranes.
- Membrane fouling reduces purification efficiency and necessitates effective prevention strategies.
Purpose of the Study:
- To investigate the prevention of fouling on polysulfone ultrafiltration membranes used for natural brown water purification.
- To evaluate the efficacy of nonionic surfactants (Triton X-100, Pluronic F108) as pretreatment agents.
Main Methods:
- Polysulfone membranes were pretreated with Triton X-100 and Pluronic F108.
- Characterization techniques assessed the adsorption of natural organic matter on treated and untreated membranes.
- Ultraviolet-visible spectroscopy determined foulant adsorption extent and permeate quality.
Main Results:
- Surfactant pretreatment altered membrane properties, influencing natural organic matter adsorption.
- Both Triton X-100 and Pluronic F108 showed potential in reducing membrane fouling.
- Permeate quality was positively impacted by surfactant-treated membranes.
Conclusions:
- Surfactant pretreatment is a viable strategy for mitigating fouling in polysulfone ultrafiltration membranes.
- Findings offer crucial insights for optimizing natural brown water ultrafiltration plant operations.
- Further research can refine surfactant selection and application for enhanced water treatment.