STUDY IN PLUIT RESERVOIR, NORTH JAKARTA AND DETERMINATION OF ORGANIC DEGRADATION

Sindi Rawi Hertin, Muhammad Lindu, Bambang Iswanto

Abstract


Aim:This research is  aimed  to study of organic degradation in  Pluit reservoir,  that located in the Village Penjaringan, North Jakarta, between 6° 07' 28.6" S 106° 48' 07.6" E and 6° 06' 40.2" S 106° 47'51.1"E with a broad area of ± 80 Ha, depth 1-8 meter. Flow systems pluit reservoir is half continuous and water is disposed with 4 units pump with a capacity of 4.5 m3/s which operates 8 hours/day throughout 11 pumps available. From the results of research findings are then compared with quality standards inspection according to the Government Regulation No. 82/2001 Class II for a review of recreation, fisheries and agriculture. Methodology and Result:The 90% of the DO value is ≤ 2 mg/L. The phosphate value obtained overall is not complied to the standard quality (≤ 0.2 mg/L P). In Pluit reservoir is found organic compounds as raw CODwhich was not complied to the standard quality (≤25 mg/L COD) approximately 27.52 mg/L COD - 371.52 mg/L COD. A kinetics test was done in order to determine the decreasing rate of COD in two conditions, where the first aeration to initial DO reached 4.5 mg/L, and the second is without aeration. Conclusion, significance and impact study:The COD degradation towards time is then measured and shows that organic degradation rate towards time without aeration process shows no decreasing, while non-aerated condition shows that the reaction rate following first pseudo reaction is 0.096 hours-1 – 0.133 hours-1 with an average value of 0.1177 hours-1.

Keywords


Water quality; Reservoir; Kinetics test; Reaction Rate constant; Hydraulic Retention Time

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References


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DOI: http://dx.doi.org/10.25105/urbanenvirotech.v1i1.2405

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