Evaluation Of Cassava Stem Based Activated Carbon As Potential Waste Water Treatment Adsorbent

The main purpose for this study is to investigate the potential of cassava stem to be utilized as a low cost precursor in activated carbon production. The cassava stem was converted to the activated carbon by self-activation process. The optimum activation parameters were determined by using Respons...

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Main Author: Sulaiman, Nurul Syuhada
Format: Thesis
Language:English
Published: 2018
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Online Access:http://eprints.usm.my/50201/1/NURUL%20SYUHADA%20BINTI%20SULAIMAN_hj.pdf
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spelling my-usm-ep.502012021-10-08T07:18:05Z Evaluation Of Cassava Stem Based Activated Carbon As Potential Waste Water Treatment Adsorbent 2018-09 Sulaiman, Nurul Syuhada T Technology T175-178 Industrial research. Research and development The main purpose for this study is to investigate the potential of cassava stem to be utilized as a low cost precursor in activated carbon production. The cassava stem was converted to the activated carbon by self-activation process. The optimum activation parameters were determined by using Response Surface Methodology programme. The potential of activated cassava stem as adsorbent was further examined through surface modification with sodium hydroxide, calcium chloride and zinc chloride with concentrations of 0.5 M and 2.0 M. The activated and surface modified activated cassava stem were then employed in liquid phase adsorption of methylene blue dye and ofloxacin antibiotic with raw cassava stem as comparison. The characteristics of raw, activated and surface modified activated materials were analysed including the content of fixed carbon, volatile matter, ash, holocellulose, and lignin. All types of cassava stem adsorbents were then analysed using surface area analysis, Elemental analysis, Scanning Electron Microscopy, Energy Dispersive X-ray, pH at zero point charge, Fourier Transform Infrared Spectroscopy, Thermogravimetric Analysis and X-ray Diffractometry Analysis. Batch adsorption studies, thermodynamic studies, kinetic studies and isothermic studies were done to examine the adsorption capacity and behaviour of the adsorbents at different conditions. The results on the characteristics of raw cassava stem showed that the cassava stem is suitable to be converted into the activated carbon with higher surface area and yield while the activated cassava stem characteristics indicated that the activated form possesses better properties to serve as a good adsorbent than its raw form. 2018-09 Thesis http://eprints.usm.my/50201/ http://eprints.usm.my/50201/1/NURUL%20SYUHADA%20BINTI%20SULAIMAN_hj.pdf application/pdf en public phd doctoral Universiti Sains Malaysia Pusat Pengajian Teknologi Industri
institution Universiti Sains Malaysia
collection USM Institutional Repository
language English
topic T Technology
T Technology
spellingShingle T Technology
T Technology
Sulaiman, Nurul Syuhada
Evaluation Of Cassava Stem Based Activated Carbon As Potential Waste Water Treatment Adsorbent
description The main purpose for this study is to investigate the potential of cassava stem to be utilized as a low cost precursor in activated carbon production. The cassava stem was converted to the activated carbon by self-activation process. The optimum activation parameters were determined by using Response Surface Methodology programme. The potential of activated cassava stem as adsorbent was further examined through surface modification with sodium hydroxide, calcium chloride and zinc chloride with concentrations of 0.5 M and 2.0 M. The activated and surface modified activated cassava stem were then employed in liquid phase adsorption of methylene blue dye and ofloxacin antibiotic with raw cassava stem as comparison. The characteristics of raw, activated and surface modified activated materials were analysed including the content of fixed carbon, volatile matter, ash, holocellulose, and lignin. All types of cassava stem adsorbents were then analysed using surface area analysis, Elemental analysis, Scanning Electron Microscopy, Energy Dispersive X-ray, pH at zero point charge, Fourier Transform Infrared Spectroscopy, Thermogravimetric Analysis and X-ray Diffractometry Analysis. Batch adsorption studies, thermodynamic studies, kinetic studies and isothermic studies were done to examine the adsorption capacity and behaviour of the adsorbents at different conditions. The results on the characteristics of raw cassava stem showed that the cassava stem is suitable to be converted into the activated carbon with higher surface area and yield while the activated cassava stem characteristics indicated that the activated form possesses better properties to serve as a good adsorbent than its raw form.
format Thesis
qualification_name Doctor of Philosophy (PhD.)
qualification_level Doctorate
author Sulaiman, Nurul Syuhada
author_facet Sulaiman, Nurul Syuhada
author_sort Sulaiman, Nurul Syuhada
title Evaluation Of Cassava Stem Based Activated Carbon As Potential Waste Water Treatment Adsorbent
title_short Evaluation Of Cassava Stem Based Activated Carbon As Potential Waste Water Treatment Adsorbent
title_full Evaluation Of Cassava Stem Based Activated Carbon As Potential Waste Water Treatment Adsorbent
title_fullStr Evaluation Of Cassava Stem Based Activated Carbon As Potential Waste Water Treatment Adsorbent
title_full_unstemmed Evaluation Of Cassava Stem Based Activated Carbon As Potential Waste Water Treatment Adsorbent
title_sort evaluation of cassava stem based activated carbon as potential waste water treatment adsorbent
granting_institution Universiti Sains Malaysia
granting_department Pusat Pengajian Teknologi Industri
publishDate 2018
url http://eprints.usm.my/50201/1/NURUL%20SYUHADA%20BINTI%20SULAIMAN_hj.pdf
_version_ 1747822028039127040