Mathematical Model of Subsurface Recirculation Flow Constructed Wetland Domestic Wastewater Treatment for Household
DOI:
https://doi.org/10.14456/rcmrj.2021.240999Keywords:
Mathematical model, Subsurface recirculation flow constructed wetland, Domestic wastewater treatment for householdAbstract
According to the dynamic model of the recirculation plug-flow reactor (RPFR) of subsurface recirculation flow constructed wetland (SRFCW) by using the recycled plastic media contained inside the three polyester tanks with the ratio of Width: length equals > 1: 4. The area of planting reed (Ap) was 1.98 square meters. The depth of subsurface was 25 cm. The recirculation ratio (QRe/Qin), R, was 0.85, with hydraulic recirculation time (HReT) of 12 hours for treating domestic wastewater. The results showed that the BOD removal efficiency was 81.04% and produced the second-order-reaction with a coefficient of constant K2ndRPFR equals 0.011 day-1 which was the interesting alternative treatment for households to instill conscience which helps to reduce the responsibility of the municipality in allocating the government funds to eliminate wastewater and plastic waste.
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