Abstract
Background: Coagulation and flocculation has been widely adopted as one of the most
effective methods to remove colloidal particles in water or wastewater.
Objectives: To explore the potential of dragon fruit peels as coagulants through
removal level of turbidity, total dissolved solids (TDS) and total suspended solids
(TSS) from wastewater.
Methodology: Dragon fruit purple pink fleshed (DFPP) and dragon fruit white fleshed
(DFPW) were applied to the leachate at several dosages (10 to 90 mg/l) using standard
jar test method and sedimentation times were recorded. Turbidity, TDS and TSS were
measured using meter.
Results and Discussion: DFPW removed 67% of turbidity, 69% of TDS and 36% of
TSS at optimum dosage of 90 mg/L. DFPP removed 60% of turbidity and 23% of TSS
at an optimum dosage of 50 mg/L and 65% TDS at optimum dosage of 90 mg/L. The
percentage of removal increased with the sedimentation time but not significant
difference between DFPs.
Conclusion: DFPs is potential to be used as eco-friendly wastewater coagulant.
Syed Ismail, Kather Mahiddin, Mangala Praveena. (2018) The used of dragon fruit peels as eco-friendly wastewater coagulants, Asian Journal of Agriculture and Biology, Volume 6, Special Issue.
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