PEMANFAATAN SERBUK ECENG GONDOK UNTUK MENURUNKAN KADAR KADMIUM (Cd) PADA AIR SUMUR GALI MASYARAKAT DI DESA NAMO BINTANG KECAMATAN PANCUR BATU KABUPATEN DELI SERDANG TAHUN 2012
Abstract: Society in Desa Namo
Bintang using water wells that contains high levels of Cd that exceeded the
quality standard due to groundwater contamination from landfill waste, so that
it was required a method to reduce levels
of Cd in water wells in the village. This study aimed to know determine levels
of Cd in water wells and to utilize the hyacinth powder for reducing levels of
Cd in water wells. The type of this
research was Quasi Experiment with the Completely Randomized Design as study
design. Object of this research was the water wells with higher levels of Cd
was more than 0,005 mg/L, the treatment was by adding10 mg, 20 mg and 30 mg
hyacinth powder with three repetitions in an effort to reduce the levels of Cd
in water wells. The results showed that the initial levels of Cd in water wells
was0,00685 mg/L, the levels of Cd in water wells which did not receive
additional of hyacinth powder (as control) did not show any reduction,
meanwhile by adding 10 mg, 20 mg and 30 mg hyacinth powder respectively reduce
for 28,8%, 33,72%, 26,28%. The test results of Two Way Anova showed there were
significant differences in the treatment of various Cd levels decrease
(p=0,000< 0,005). The test result of Bonferroni indicated that the addition
of 20 mg hyacinth powder was the most effective between the others for reducing
the levels of Cd in water wells in the village. Therefore for the people in the Namo Bintang village
expected to utilize the hyacinth powder to reduce levels of Cd so that the
water that used become more clean and accordance with standards estabilished.
Penulis: Sri Lestari, Devi
Nuraini Santi, Indra Chahaya
Kode Jurnal: jpkesmasdd130181