Priyantini, Hadiatni Rita and Sediawan, Wahyudi Budi and ., Rochmadi and Prasetyo, Imam (2013) Mass Transfer Model for Basic Blue Adsorption onto Pillared Bentonite Clay Using Langmuir Equilibrium and Taking into Account Liquid and Surface Diffusion. In: PROSIDING SEMINAR NASIONAL Perkembangan Riset dan Teknologi di Bidang Industri Ke-19. Pusat Studi Ilmu Teknik Jurusan Teknik Mesin dan Industri Jurusan Teknik Kimia Fakultas Teknik Universitas Gadjah Mada, Yogyakarta, PKM - 1-PKM - 8. ISBN 978-979-95620-9-8
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Abstract
Bentonite clay from Pacitan, East Java, was made using intercalation and pillarization method, using cationic surfactant HDTMA-Cl as intercalating agent and NaOH – AlCl3 mixture with OH/Al ratio was 0,8 as pillaring agent at 80oC. Furthermore, calcination was done at 500oC for 4 hours. Adsorption process was done at laboratory scale batch system with initial Basic Blue 41 dye concentration varied between 100 ppm, 200 ppm, 300 ppm, 400 ppm, and 500 ppm for adsorbent mass ratio was 0,1 g/L and adsorbent size of 100 mesh. Adsorbent mass ratio was varied 0,1 g/L; 0,2 g/L; 0,25 g/L; 0,35 g/L; and 0,4 g/L for initial dye concentration of 600 ppm. Adsorption equilibrium was analyzed using Langmuir equilibrium model, and kinetic model was developed with considering convection mass transfer at adsorbent surface and intra-particle dye diffusion. Mathematic model and experimental data was used to calculate dye convective mass transfer and effective diffusion coefficient using computer program. The result showed that Basic Blue 41 – pillarized bentonite clay equilibrium obeyed Langmuir equilibrium model. Developed kinetic model was relatively fitted to experimental data. Maximum dye removal was 97,947 %. Generally, Basic Blue 41 adsorption kinetic was controlled by film resistance at adsorbent surface and intra-particle diffusion resistance.
| Item Type: | Book Section |
|---|---|
| Uncontrolled Keywords: | Adsorption; Basic Blue; Bentonite Clay; Modeling; Pillarization |
| Subjects: | T Technology > TD Environmental technology. Sanitary engineering |
| Divisions: | Faculty of Engineering > Department of Chemical Engineering |
| Depositing User: | Ester Sri W. 196039 |
| Date Deposited: | 25 Jul 2019 07:01 |
| Last Modified: | 24 Mar 2021 16:07 |
| URI: | http://repository.ubaya.ac.id/id/eprint/35199 |
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