Biological Teratment Facility
Biological teratment is that removes organic substrances in sewage and wastewater, which are separated
by using microorganism such as protozoans, bacteris and birds etc.
AS its unit process, the activated sludge process, trickling filter process, aerobic digestion process
and anaerobic digestion process are usually used.
Applications
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· Wasrewater from food, agriculture and fisheries products processing
· Organic wastewater from beverage, fliber and leater products processing etc.
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Merits
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· Large volume wastewater treatment
· Stable teratment rate
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Demerits
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· Excessive sludge
· Vulnerable to changes in wastewater volume and quality
· Required for operation and maintenance skills
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