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Production of activated carbon from sugarcane bagasse for the removal of methyl violet 6b dye from aqueous solution

Production of activated carbon from sugarcane bagasse for the removal of methyl violet 6b dye from aqueous solution / Ng Shun Yong
Dalam kajian ini, karbon teraktif berasaskan hampas tebu (KTHT) telah disediakan untuk penyingkiran metil ungu 6B (MU6B) daripada larutan akuas. Hampas tebu (HT) telah digunakan bagi menghasilkan KTHT melalui proses pengaktifan fizikimia yang melibatkan enap jerap kalium hidroksida (KOH) dan penggasan karbon dioksida (CO2). Semasa proses penyediaan KTHT, nisbah arang:KOH telah ditetapkan pada 1:2, suhu pengaktifan pada 750oC untuk 2 jam. KTHT mempunyai kandungan karbon tetap 69.73%, luas permukaan BET yang tinggi, iaitu 681.52m2/g dan jumlah isi padu liang daripada 0.385cm3/g. Dengan 3.36nm purata diameter liang, liang HTKT telah diklasifikasikan sebagai jenis meso. Selepas itu, kesan kepekatan awal pewarna (100-500mg/L), masa penyentuhan (0–24 jam), suhu larutan (30-60 oC) dan pH (4-10) telah dinilai melalui ujian kumpulan penjerapan. Didapati bahawa model Langmuir adalah paling bersesuaian untuk data garis sesuhu MU6B. Manakala, model pseudo-tertib-pertama adalah paling sesuai digunakan untuk mengambarkan kinetik penjerapan MU6B. _______________________________________________________________________________________________________ In this study, sugarcane bagasse based activated carbon (SBAC) was prepared for the removal of methyl violet 6B dye from aqueous solution. Sugarcane bagasse (SB) was used to prepare the SBAC through physiochemical activation which involves potassium hydroxide (KOH) impregnation and carbon dioxide (CO2) gasification. During the preparation of SBAC, the chemical impregnation, char:KOH ratio was set at 1:2; while the activation temperature was set at 750oC for 2 hours. SBAC was high in fixed carbon content of 69.73% BET surface area of 681.52m2/g and total pore volume of 0.385cm3/g. With average pore diameter of 3.36nm, SBAC’s pore was classified as mesoporous type. The effect of initial dye concentration (25-300mg/L), contact time (0–24 hours), solution temperature (30-60oC) and pH (4-10) were evaluated through batch adsorption test. The obtained equilibrium data for MV6B was best fitted by Langmuir model. Meanwhile, the kinetic data were best represented by the pseudo first-order model for MV6B.
Contributor(s):
Ng Shun Yong - Author
Primary Item Type:
Final Year Project
Identifiers:
Accession Number : 875005618
Language:
English
Subject Keywords:
(SBAC); removal; physiochemical;
First presented to the public:
6/1/2015
Original Publication Date:
8/5/2020
Previously Published By:
Universiti Sains Malaysia
Place Of Publication:
School of Chemical Engineering
Citation:
Extents:
Number of Pages - 101
License Grantor / Date Granted:
  / ( View License )
Date Deposited
2020-08-05 11:48:51.929
Submitter:
Mohd Jasnizam Mohd Salleh

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