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Diagnosing and optimizing water treatment processes by using particle counter: a case study in Korea
1School of Civil, Urban & Geosystem Engineering, Seoul National University, Korea.
Summary
Particle counting effectively diagnoses and optimizes water treatment flocculation processes. This method identifies design flaws and suggests operational changes for improved performance in water treatment plants.
Area of Science:
- Environmental Science
- Chemical Engineering
- Water Treatment Technology
Background:
- Flocculation is crucial for altering particle size distribution in water treatment.
- Existing methods for evaluating flocculation lack universal acceptance.
- Optimizing flocculation is essential for efficient downstream processes.
Purpose of the Study:
- To present particle counting as a method for diagnosing and optimizing flocculation.
- To evaluate the design and operation of flocculation processes using particle counting.
- To demonstrate the application of particle counting in conventional water treatment plants.
Main Methods:
- Utilized a commercially available on-line continuous particle counter.
- Evaluated particle dynamics, focusing on changes in small and large particle counts.
- Applied the method at two conventional Water Treatment Plants.
Main Results:
- Identified design deficiencies in the distribution channel and flocculation process.
- Determined specific operational parameters for optimizing flocculation performance.
- Demonstrated the effectiveness of particle counting in process evaluation.
Conclusions:
- Particle counting is a valuable tool for the diagnosis and optimization of water treatment flocculation.
- The method can identify site-specific optimum conditions for flocculation.
- This approach offers benefits for evaluating flocculation processes at various water treatment facilities.