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Mega Ayu Yusuf
Jurusan Teknik Pertanian FAPERTA UNMUS
Agriculture, Biological Sciences & Forestry Veterinary

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PENGARUH WTH TERHADAP KUALITAS AIR PADAPRE-TREATMENT AIR BERSIH MENGGUNAKAN MEDIA LIMBAH PLASTIK AIR MINUM DALAM KEMASAN (AMDK) DENGAN FIXED BED REACTOR Mega Ayu Yusuf
AGRICOLA Vol 4 No 2 (2014): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/ag.v4i2.342

Abstract

In big cities, quality of raw water (river water) is decreasing, as result of industrial and domestic wastes discharge into river without any treatment. Therefore, pre-treatment is needed to improve the raw water quality. An alternative for pre-treatment of the raw water is fixed bed reactor (FBR) system, in which organic substances can be removed biologically.In this experiment, an FBR was used to reduce concentrations of organic, ammonia, total suspended solid (TSS), color and turbidity in raw water. One type of media were used namelyrecycled plastic bottled of drinking water. The system is equipped with circulator and aerator to support the microorganism growth on the media surface as biofilms.The experiments were conducted at HRT (Hydraulic Retention Time) between 1–4 hours. HRT of 3 hours was found to be optimum for the reactor with recycled plastic bottled of drinking water with removal efficiency of organic, ammonia, total suspended solid (TSS), color and turbidity are 70%, 61%, 66%, 67% and 63% respectively.
KEMAMPUAN TANAMAN KAYU APU (Pistia stratiotes) SEBAGAI MEDIA FITOREMEDIASI AIR BELERANG DENGAN PERLAKUAN AERASI UNTUK KUALITAS AIR PERTANIAN Yosefina Mangera; Mega Ayu Yusuf
AGRICOLA Vol 7 No 1 (2017): AGRICOLA
Publisher : Universitas Musamus, Merauke, Papua

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35724/ag.v7i1.585

Abstract

Groundwater wells (sulfuric water) in Merauke is potentially high even in dry season. However, the high element of sulfur (S) in a plant can cause potion even death. The research is to determine the ability of lettuce (Pistia stratiotes) as a media of phytoremediation to decrease sulfur with an aeration treatment to fulfill the agricultural requirement. The treatment methods are closure surface of sulfuric acid with the lettuce. The treatments are namely without a closure, 25% closure, 50% closure, and 100% closure, where each treatment are using an aerator. The study is divided for into two stages. There are the early stage research (acclimatization) and the main research. Analysis of data includes the time and the corelation graph. On acclimatization stage, it was found that the concentration of SO4 was declining at 216 hours. The 50% of closure treatment showed that the lowest concentration of SO4 was at 81 mg /l. All of the treatments showed that the concentrations  of  H2S were declined on 48 hours on the main research.There were caused by the aerator that brings an oxidation process within the aeration. H2S oxidation produces SO4, so that the concentration of SO4 on control and all treatment have increased until the observation in 240 hours. From these results it can be concluded that the Pistia stratiotes is not required as phytoremediation agent in improved the water quality of sulfur. The award of oxygen (aeration) have been effective in reducing the concentration of S in the sulfur water to match the quality of agricultural water.
Co-Authors Yosefina Mangera