Image of Penurunan kadar Cu dalam limbah cair industri perak kotagede menggunakan abu layang sebagai adsorben

Tugas Akhir

Penurunan kadar Cu dalam limbah cair industri perak kotagede menggunakan abu layang sebagai adsorben

Research has been conducted to find out the properties of iodine adsorption on activated carbon nanoporous material as preliminary test for iodine-131 adsorption. The purpose of this study was to determined the adsorption isotherm model, thermodynamic parameters, kinetic model and the value of activation energy. Nanoporous carbon material physically activated with steam and chemically modified with H2SO4. The concentration of iodine in filtrate after adsorption was analyzed by UV-Vis spectrophotometer. The experimental results have shown that the adsorption of iodine on physical activated and chemical modified carbon nanoporous were following the Langmuir adsorption isotherm modelwith the biggest Qmax value on physical activation was 111,11 mg/g and on chemical modification was 200 mg/g. Evaluation of thermodynamic parameters showed that iodine adsorption on physical activated and chemical modifiedcarbon were exothermic with physical adsorption, occured spontaneously and less randomly.In addition, iodine adsorption on physical activated and chemical modified carbon nanoporous materials followed the pseudo second order kinetics model. The activation energy of iodine adsorption on physical activated carbon nanoporous was 18,016 kJ/mole and chemical modified activated carbon nanoporous was 20,535 kJ/mole. Physical activation and chemical modified carbon nanoporous had potential as drug release agents for iodine.rnrnKeywords: adsorption, nanoporous carbon, iodine

Ketersediaan
S17-906518/TA/H/17 621.039.7.14 TRI pPerpustakaan Poltek NuklirTersedia
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No. Panggil
621.039.7.14 TRI p
Penerbit
Yogyakarta : STTN-BATAN.,
Deskripsi Fisik
xvi, 58 halaman : ilustrasi ; 30 cm
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Indonesia
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621.039.7.14
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teks
Tipe Media
tanpa perantara
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volume
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