PENURUNAN KADAR ION Fe2+ DALAM AIR DENGAN SERBUK ZEOLIT ZSM-5 1,00 % b/v BERDASARKAN VARIASI pH SELAMA 60 MENIT

Setyorini, Dwi Apridhitya Dyah, G0C012008 (2017) PENURUNAN KADAR ION Fe2+ DALAM AIR DENGAN SERBUK ZEOLIT ZSM-5 1,00 % b/v BERDASARKAN VARIASI pH SELAMA 60 MENIT. Diploma III thesis, ["eprint_fieldopt_institution_Muhammadiyah University of Semarang" not defined].

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Abstract

Water is a natural resourse that is very much needed by all living creature, howover a lot of water has been contaminated by some metal such as iron. Due to the gouverment regulation Permenkes RI number 492/MENKES/Per/IV/2010, it is said that the maximum standart of iron in drinking water is 0,3 mg/L. The iron concentration of iron (Fe2+) can be lowered by the zeolite ZSM-5 powder based on the pH variations of Fe2+ solution, it is because zeolite powder ZSM-5 has adsorbsi character, so it can adsorb the metal solution of Fe2+ in water. This reseach is a kind of experiment. The purpose of this research is to note the affect of the pH variations of Fe2+ solutions after the adding of zeolite ZSM-5 powder, which is sterring in 60 minutes to the lowering of iron substance (Fe2+) in the water. This research is observed in the Chemical Laboratory of the Health and Nursing Faculty of Muammadiyah University of Semarang, at 18 Kedungmundu main road, Semarang. The time of reseach is begun from November 2015 to Agust 2016. The object of research Fe solution in 50 ppm concentration. The result we gained is the earlier Fe2+ is 49,14 mg/L. The lowering percentage of the Fe2+ concentration in which 60 minutes steering the pH variation is 1,0; 1,5; 2,0; 2,5; 3,0 is consequeaty sequence 23,37%, 26,80%, 27,83%, 46,65%, 48,42%. The highest level of lowering percentage of Fe2+ ion concentration on pH = 3,0 namely 48,42%. There was effect on addition of Zeolite powder ZSM-5 1,00% w/v based on the pH variation of Fe2+ solution and the duration of 60 minutes steering to the decrease of lowering percentage of iron ion (Fe2+) in water. Keywords : water, the iron ions (Fe2+), pH variations, ZSM-5

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