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All Journal VALENSI EKSAKTA: Journal of Sciences and Data Analysis Reaktor JURNAL KIMIA SAINS DAN APLIKASI Prosiding Seminar Nasional MIPA Wahana Matematika dan Sains Alchemy : Journal of Chemistry JURNAL PIJAR Prosiding Pendidikan Sains Bulletin of Chemical Reaction Engineering & Catalysis Journal of Mathematical and Fundamental Sciences Elkawnie PROSIDING SEMINAR KIMIA Jurnal Litbang Industri INDONESIAN JOURNAL OF PHARMACY Al-Kimia Sains Natural: Journal of Biology and Chemistry Chemistry Indonesian Journal of Chemical Research ALKIMIA : Jurnal Ilmu Kimia dan Terapan Jurnal Ilmiah Teknik Kimia Jurnal Inovasi Teknik Kimia Molluca Journal of Chemistry Education (MJoCE) Jurnal Riset Teknologi Pencegahan Pencemaran Industri Jurnal Pijar MIPA Jurnal Farmasi Etam Jurnal Ilmiah Berkala: Sains dan Terapan Kimia Jurnal Litbang Industri Jurnal Natural Molekul: Jurnal Ilmiah Kimia Bulletin of Chemical Reaction Engineering & Catalysis JURNAL REKAYASA KIMIA & LINGKUNGAN
Dwi Siswanta
Chemistry Department , Faculty Of Mathematics And Natural Science, Gajah Mada University, Sekip Utara, Yogyakarta, Indonesia
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Control & Systems Engineering Earth & Planetary Sciences Education Energy Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Physics Social Sciences

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Journal : Bulletin of Chemical Reaction Engineering

 1 
The Dependency of Kinetic Parameters as a Function of Initial Solute Concentration: New Insight from Adsorption of Dye and Heavy Metals onto Humic-Like Modified Adsorbents Rahmat Basuki; Bambang Rusdiarso; Sri Juari Santosa; Dwi Siswanta
Bulletin of Chemical Reaction Engineering & Catalysis 2021: BCREC Volume 16 Issue 4 Year 2021 (December 2021)
Publisher : Department of Chemical Engineering - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.16.4.11816.773-795

Abstract

Kinetics parameters are the essential issue in the design of water treatment systems for pollutants uptake. Though numerous studies have identified the boundary conditions that exert influence on the kinetics parameters, the influence of the dynamic initial solute concentration (C0) to the kinetic parameters generated from fitting kinetics model to experimental data has not been investigated thoroughly. This study revealed a change in the kinetics parameter value due to changes in the adsorption mechanism as an effect of dynamic C0. It was observed that at higher C0 the adsorbed solute at equilibrium (qe) increases and it takes longer time to reach equilibrium. As a result, the kinetics rate constant (k) calculated from adsorption reaction model (Lagergren, Ho, Santosa, and RBS) was decreased. In general, Ho model exhibit higher correlation coefficient value (R2) among the other model at low C0. At high C0, Ho’s R2 tend to decrease while the Lagergren and RBS’s R2 was increased. The amendment mechanism from external mass transport to intra-particle diffusion as a rate limiting step was evidenced by Boyd and Weber-Morris kinetics model. Further, the physicochemical properties of the adsorbent used in this work: chitin and Fe3O4 modified horse dung humic acid (HDHA-Fe3O4 and HDHA-Ch, respectively) with the solute: Pb(II), Methylene Blue (MB), and Ni(II) was deeply discussed in this paper. The outcomes of this work are of prime significance for effective and optimum design for pollutant uptake by adsorption equipment. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 
Co-Authors ., Jumina Abdul Karim Zulkarnain Abner Tonu Lema Adhitasari Suratman Adhitasari Suratman Adhitasari Suratman Adhitasari Suratman Agnes Dyah Novitasari Lestari Agung Abadi Kiswandono Ahmad Nasir Pulungan Akhmad Damsyik Aloisius M. Kopon Aloisius Masan Kopon Anjar Purba Asmara Anselmus Boy Baunsele Arifina Febriasari Bambang Kuswandi Bambang Kuswandi Bambang Rusdiarso Bambang Rusdiarso Desi Suci Handayani Dhony Hermanto Eko Sugiharto Eko Sugiharto Eni Kartika Sari Erly Grizca Boelan Faderina Komisia Febi Indah Fajarwati Fidelis Nitti Fitriana, Dina Fitrilia Silvianti Girsang, Ermi Herdiansyah Herdiansyah Herdiansyah Herdiansyah Hidetaka Kawakita Hildegardis Missa Jumina Jumina Jumina Jumina Jumina Jumina Juniva Laila Sihombing, Juniva Laila Karelius Karelius Keisuke Ohto Kopon, Aloisius Masan Leba, Maria A. U. M. Cholid Djunaidi Maria A. U. Leba Maria Aloisia Uron Leba Maria Benedikta Tukan Merpiseldin Nitsae Mudasir Mudasir Mudasir Mudasir Mudasir Mudasir Mudasir Mudasir Mustofa Mustofa Naat, Johnson N. Neolaka, Yantus A B Ni Putu Sri Ayuni Nindita Clourisa Amaris Susanto Nugraha, Gerry Nurillahi Febria Leswana Nurul Hidayat Aprilita Nurul Ismillayli Pratama J. Wibawa Rahayu Rahayu Rahayu Rahayu Rahayu Rahmat Basuki Rahmat Basuki Retno Ariadi Lusiana Rika Wulandari Rika Wulandari Romelos Untailawan Sehol, Muhamad Soerja Koesnarpadi Sri Juari Santosa Sri Juari Santosa Sri Juari Santosa Suyanta Suyanta Taek, Maximus M. Takashi Hayashita Triana Kusumaningsih Tukan, Gerardus D. Uripto Trisno Santoso Widya Krestina, Luqman Hakim, Dyah Ayu Pramoda Wardani,