KONSENTRASI NUTRIEN DI SALURAN PEMBUANGAN KOTA MAKASSAR: SEBUAH SURVEI AWAL
ABSTRACT: The drainage system
in Makassar City of Indonesia is intended to efficiently deliver waste
water (stormwater and greywater) to the
receiving waters downstream.
There is no wastewater processing plant available. Thus, waste water, from
households and industries located in
residential areas was
delivered directly to
the drainage system.
Nutrients, like nitrogen and
phosphorus, contained in the waste water was also delivered to the receiving
waters. There is no data available on how much nutrient has entered the
receiving waterbodies. We conducted a survei on the concentration of total- and
soluble- nitrogen and phosphorus in surface water of Sinrijala Drainage and
Pampang River that drained a heavily populated area in this city in November
2009. The cadmium reduction method was used to measure nitrogen, and the
ascorbic acid method for phosphorus. Our survey showed that the surface water
was potentially very eutrophic at the time of sampling. The concentration of TN
(0,056-3,697 mg/L), TP (3,140-13,03 mg/L), and the respective soluble species
(FRP: 0,028-2,935 -NO3-N: 0,187-0,601 mg/L) were well beyond the
internationally accepted levels. The probable sources of these nutrients were
domestic waste like deterjent, food scrapes and human waste.
Key words: Nutrients concentration, total nitrate, total
phosphorus, nitrate-nitrogen, nitrite-nitrogen, urban drainage, Makassar
Penulis: Sulfikar Hanafi,
Jumri Purnama
Kode Jurnal: jpkimiadd120415
