• Document: Modification of Three Types of Bentonite with Zirconium Oxide Chloride (ZOC) of Local Products Using Intercalation Process
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14 Indones. J. Chem., 2016, 16 (1), 14 - 19 Modification of Three Types of Bentonite with Zirconium Oxide Chloride (ZOC) of Local Products Using Intercalation Process Muzakky* and Supriyanto C Center for Accelerator Science and Technology-National Nuclear Energy Agency Babarsari no 21, POB 6101 YKBB, Yogyakarta 55281, Indonesia Received September 28, 2015; Accepted December 22, 2015 ABSTRACT Three types of bentonite modified with ZOC local products of Center for Accelerator Science and Technology- National Nuclear Energy Agency using intercalation process have been done. The purpose of this research is to create new material as a catalyst or industrial raw materials. Existance of chloride anion on the intercalation process product was releasing with water and titration using silver nitrate. The release of alkali and alkaline earth cations and 3+ 3+ 3+ Fe , Al and Zn into the water phase (WP) and the solids phase (SP) was detected by atomic absorption Spectrometry (AAS). While X-Ray Fluorescence (XRF) was to observe of Zr intercalated to bentonite layer. Modificated products were form of a porous material and their measured as micro, meso and macro pores using Surface Area Analysis (SAA) and the image of the porous material was observed by Transmission Electron Microscopy (TEM). Intercalation process products obtained were porous materials with a porous size of 2 1.50-1.55 nm at bentonite-3 with a pore area of 2250 (m /Å/g) and TEM image of the 50 nm was the most transparent among the others. As for the pores size of 1.60-1.97 nm to meso pores size of 2.0-50.0 nm were 2 dominated by bentonite 2 with a maximum of pore 1250 (m /Å/g). While the results of the TEM image of bentonite 2, although their porous degree were small they have the pores size distribution of 5.7% micro-pore, 52.5% meso-pore and 41.7% macro-pore. Keywords: intercalation; release; micro-pores; meso-pores; macro-pores ABSTRAK Telah dilakukan modifikasi tiga jenis bentonit dengan ZOC produk lokal PSTA-Batan Yogyakarta menggunakan proses interkalasi. Tujuan penelitian ini adalah untuk membuat bahan baru sebagai bahan katalis atau bahan baku industri. Keberadaan anion klorida hasil proses interkalasi dihilangkan dengan mengunakan air 3+ 3+ 3+ dan dilakukan titrasi memakai perak nitrat. Kation alkali dan alkali tanah serta Fe , Al dan Zn dilepas ke dalam fase air (FA) dari fase padatan (FP) dan dianalisis dengan Spektrometri serapan atom (AAS). X-Ray Flourescence (XRF) digunakan untuk mengetahui terinterkalasinya Zr ke dalam lapisan bentonit. Diharapkan hasil berupa material porous yang ukuran mikro, meso dan makro pori menggunakan Surface Area Analysis (SAA) dan citra porous bahan diamati dengan transmission electron microscopy (TEM). Hasil proses interkalasi didapat bahan porous 2 dengan ukuran porous 1,50-1,55 nm pada bentonit 3 dengan ukuran luas pori 2250 (m /Å/g) dan citra TEM pada 50 nm paling transparan dibandingkan yang lain. Sementara untuk ukuran pori 1,60-1,97 nm sampai ukuran meso 2 pori 2,0-50,0 nm didominasi oleh bentonit 2 dengan maksimum ukuran luas pori 1250 (m /Å/g). Sementara hasil citra TEM bentonit 2 walaupun derajat porousnya kecil, mempunyai distribusi ukuran mikro pori 5,7%, meso pori 52,5% dan makro pori 41,7%. Kata Kunci: interkalasi; pelepasan; mikro pori; meso pori; makro pori INTRODUCTION catalyst. The number of modified bentonite applications are due to its superiority in chemical and physical Bentonite is a major mineral in clay and its properties such as strength, swelling, elasticity, modification products has become an important raw cohesion/coherence, compressibility, particle size, material in industrial usage. Some of their usage in cation exchanger, modifiable pore structure, high industries such as palletizing iron ore, ceramics, surface area, acidic and catalytically active surfaces. adhesives, dust absorbent, emulsion stabilizers, So today's research on organically and inorganically cosmetics, paints, pharmacy, pillarization on organoclay, modified bentonite have been very interesting and nanocomposite polymers, catalysts and supporti

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