Sorption and Ion Exchange Behaviour of Natural Zeolite Packing

Authors

Chandra Wahyu Purnomo, Department of Chemical Engineering, Engineering Faculty, Universitas Gadjah Mada, Yogyakarta 55281, IndonesiaFollow
Bernice Lenora, Department of Chemical Engineering, Engineering Faculty, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
Wiratni Budhijanto, Department of Chemical Engineering, Engineering Faculty, Universitas Gadjah Mada, Yogyakarta 55281, Indonesia
Hirofumi Hinode, Department of International Development Engineering, Tokyo Institute of Technology, Meguro, Tokyo 152-8550, Japan

Abstract

It is well known that zeolite is an efficient metal ions adsorbent. The excess charge of the zeolite building blocks i.e. (AlO4)-5 and (SiO4)-4 creating a negative surface charge that attract metal cations. Beside the surface charge, zeolite also has three dimensional pore structure and reasonably large surface area which also can be used as adsorption sites. Ease of cation uptake make it suitable for many process with adsorption and desorption application. This study was conducted to observe the sorption and ion exchange behaviour of zeolite-betonite rings toward iron and cobalt cations. The results shows that the adsorption patterns follow Langmuir isotherm with the highest uptake capacity is 59,9 mg/g for Fe(II) and 57. 8 mg/g for Co(II).

Bahasa Abstract

Perilaku Penyerapan dan Pertukaran Kation Bahan Isian dari Zeolit Alam. Telah banyak diketahui bahwa zeolite adalah material yang baik untuk menyerap ion-ion logam. Kelebihan muatan dari gugus penyusun zeolit yaitu (AlO4)-5 dan (SiO4)-4 mengakibatkan permukaan zeolite bermuatan negatif yang dapat menarik kation logam. Selain muatan di permukaan, zeolite juga memiliki stuktur pori tiga dimensi dan juga luas permukaan yang cukup besar untuk keperluan adsorpsi. Kemudahan dalam mengambil kation menjadikan zeolit banyak dipakai di berbagai proses yang mengaplikasikan prinsip adsorpsi dan desorpsi. Penelitian ini dilakukan untuk mengamati perilaku penyerapan dan penukaran kation bahan isian zeolit berbentuk cincin terhadap kation logam besi dan kobalt. Hasil pengamatan menunjukkan bahwa pola adsorpsi mengikuli persamaan Langmuir dengan kapasitas penyerapan 59,9 mg/g untuk ion Fe dan 57.8 mg/g untuk ion Co.

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Recommended Citation

Purnomo, Chandra Wahyu; Lenora, Bernice; Budhijanto, Wiratni; and Hinode, Hirofumi (2017) "Sorption and Ion Exchange Behaviour of Natural Zeolite Packing," Makara Journal of Technology: Vol. 21: Iss. 1, Article 6.
DOI: 10.7454/mst.v21i1.3077
Available at: https://scholarhub.ui.ac.id/mjt/vol21/iss1/6