Academic department under which the project should be listed

CSM - Chemistry and Biochemistry

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Faculty Sponsor Name

Dr. Marina Koether

Additional Faculty

Amy Gruss, Civil and Environmental Engineering, agruss@kennesaw.edu

Abstract (300 words maximum)

Microplastic coagulation has become of special interest in the drinking water treatment industry in the last decade as the plastic pollution of various aquatic environments persists. Drinking water treatment plants employ coagulation, flocculation, and filtration to significantly decrease microplastic concentration. This project used a jar test procedure which imitated coagulation methods used in treatment plants to study the effective amount of coagulant (Aluminum) needed to achieve the lowest possible turbidity. Results revealed that higher potassium chloride amounts required an increase in coagulant dose to achieve a low turbidity; and an initially higher turbidity was observed with a higher kaolin amount present but no increase in coagulant dose was needed to achieve a low turbidity. Adding pristine thread or weathered thread or lead-laden weathered thread required an increase in coagulant dose to have a low turbidity.

Project Type

Oral Presentation (15-min time slots)

How will this be presented?

Yes, asynchronously via recorded video upload

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Effects of Coagulation on Turbidity in Water Treatment

Microplastic coagulation has become of special interest in the drinking water treatment industry in the last decade as the plastic pollution of various aquatic environments persists. Drinking water treatment plants employ coagulation, flocculation, and filtration to significantly decrease microplastic concentration. This project used a jar test procedure which imitated coagulation methods used in treatment plants to study the effective amount of coagulant (Aluminum) needed to achieve the lowest possible turbidity. Results revealed that higher potassium chloride amounts required an increase in coagulant dose to achieve a low turbidity; and an initially higher turbidity was observed with a higher kaolin amount present but no increase in coagulant dose was needed to achieve a low turbidity. Adding pristine thread or weathered thread or lead-laden weathered thread required an increase in coagulant dose to have a low turbidity.

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