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Comparison Of Different RSM Designs To Predict And Optimize The Acid Violet (AV 7) Adsorption Using RHA-CFA Adsorbent

Water pollution due to the discharging of industrial wastewater consisting of heavy metals has become a serious issue. A cheap adsorbent is required to support the pollutant adsorption technique. Thus, the main goal of the research is to optimise the preparation and adsorption conditions of activate...

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Main Author: Mohamad, Ahmad Aqil Asyraaf
Format: Monograph
Language:English
Published: Universiti Sains Malaysia 2021
Subjects:
T Technology
TP Chemical Technology
Online Access:http://eprints.usm.my/54401/1/Comparison%20Of%20Different%20RSM%20Designs%20To%20Predict%20And%20Optimize%20The%20Acid%20Violet%20%28AV%207%29%20Adsorption%20Using%20RHA-CFA%20Adsorbent_Ahmad%20Aqil%20Asyraaf%20Bin%20Mohamad_M4_2021_ESAR.pdf
http://eprints.usm.my/54401/
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spelling my.usm.eprints.54401 http://eprints.usm.my/54401/ Comparison Of Different RSM Designs To Predict And Optimize The Acid Violet (AV 7) Adsorption Using RHA-CFA Adsorbent Mohamad, Ahmad Aqil Asyraaf T Technology TP Chemical Technology Water pollution due to the discharging of industrial wastewater consisting of heavy metals has become a serious issue. A cheap adsorbent is required to support the pollutant adsorption technique. Thus, the main goal of the research is to optimise the preparation and adsorption conditions of activated carbon from cheap raw materials. The production of mangrove-based activated carbon using microwave heating activation is cost-effective because mangrove is abundantly available in Malaysia and microwave heating requires less time and lower electricity. The optimal activated carbon was produced at 616 W and 2 mins under nitrogen flow. The ideal KOH: Char ratio was found to be at IR of 0.75 with 99.67% of activated carbon yield and 77.256% of copper (II) ions removal. The AC was examined by Fourier transform infrared spectroscopy, nitrogen adsorption/desorption isotherm and elemental analysis. Aside from optimisation, the adsorption process using the mangrove adsorbent was examined under various conditions. From the experimental data, the adsorption reached equilibrium after 3 hours at 10ppm and 60℃. Freundlich isotherm models with R2 values of 0.9995 and 1/n smaller than one explains the multilayer and heterogenous nature of adsorption. The maximum adsorption capacity of mangrove-based activated carbon obtained using Langmuir Isotherm was 33.557 mg/g, which shows its intrigue value as a potential adsorbent. Furthermore, the data was well fitted to Pseudo-second-order kinetics models with R2 value of 0.9997. Finally, the thermodynamic analysis revealed that the adsorption studied is endothermic process, and the adsorption is spontaneous at 50 and 60°C. Universiti Sains Malaysia 2021-06-01 Monograph NonPeerReviewed application/pdf en http://eprints.usm.my/54401/1/Comparison%20Of%20Different%20RSM%20Designs%20To%20Predict%20And%20Optimize%20The%20Acid%20Violet%20%28AV%207%29%20Adsorption%20Using%20RHA-CFA%20Adsorbent_Ahmad%20Aqil%20Asyraaf%20Bin%20Mohamad_M4_2021_ESAR.pdf Mohamad, Ahmad Aqil Asyraaf (2021) Comparison Of Different RSM Designs To Predict And Optimize The Acid Violet (AV 7) Adsorption Using RHA-CFA Adsorbent. Project Report. Universiti Sains Malaysia, Pusat Pengajian Kejuruteraan Kimia. (Submitted)
institution Universiti Sains Malaysia
building Hamzah Sendut Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Sains Malaysia
content_source USM Institutional Repository
url_provider http://eprints.usm.my/
language English
topic T Technology
TP Chemical Technology
spellingShingle T Technology
TP Chemical Technology
Mohamad, Ahmad Aqil Asyraaf
Comparison Of Different RSM Designs To Predict And Optimize The Acid Violet (AV 7) Adsorption Using RHA-CFA Adsorbent
description Water pollution due to the discharging of industrial wastewater consisting of heavy metals has become a serious issue. A cheap adsorbent is required to support the pollutant adsorption technique. Thus, the main goal of the research is to optimise the preparation and adsorption conditions of activated carbon from cheap raw materials. The production of mangrove-based activated carbon using microwave heating activation is cost-effective because mangrove is abundantly available in Malaysia and microwave heating requires less time and lower electricity. The optimal activated carbon was produced at 616 W and 2 mins under nitrogen flow. The ideal KOH: Char ratio was found to be at IR of 0.75 with 99.67% of activated carbon yield and 77.256% of copper (II) ions removal. The AC was examined by Fourier transform infrared spectroscopy, nitrogen adsorption/desorption isotherm and elemental analysis. Aside from optimisation, the adsorption process using the mangrove adsorbent was examined under various conditions. From the experimental data, the adsorption reached equilibrium after 3 hours at 10ppm and 60℃. Freundlich isotherm models with R2 values of 0.9995 and 1/n smaller than one explains the multilayer and heterogenous nature of adsorption. The maximum adsorption capacity of mangrove-based activated carbon obtained using Langmuir Isotherm was 33.557 mg/g, which shows its intrigue value as a potential adsorbent. Furthermore, the data was well fitted to Pseudo-second-order kinetics models with R2 value of 0.9997. Finally, the thermodynamic analysis revealed that the adsorption studied is endothermic process, and the adsorption is spontaneous at 50 and 60°C.
format Monograph
author Mohamad, Ahmad Aqil Asyraaf
author_facet Mohamad, Ahmad Aqil Asyraaf
author_sort Mohamad, Ahmad Aqil Asyraaf
title Comparison Of Different RSM Designs To Predict And Optimize The Acid Violet (AV 7) Adsorption Using RHA-CFA Adsorbent
title_short Comparison Of Different RSM Designs To Predict And Optimize The Acid Violet (AV 7) Adsorption Using RHA-CFA Adsorbent
title_full Comparison Of Different RSM Designs To Predict And Optimize The Acid Violet (AV 7) Adsorption Using RHA-CFA Adsorbent
title_fullStr Comparison Of Different RSM Designs To Predict And Optimize The Acid Violet (AV 7) Adsorption Using RHA-CFA Adsorbent
title_full_unstemmed Comparison Of Different RSM Designs To Predict And Optimize The Acid Violet (AV 7) Adsorption Using RHA-CFA Adsorbent
title_sort comparison of different rsm designs to predict and optimize the acid violet (av 7) adsorption using rha-cfa adsorbent
publisher Universiti Sains Malaysia
publishDate 2021
url http://eprints.usm.my/54401/1/Comparison%20Of%20Different%20RSM%20Designs%20To%20Predict%20And%20Optimize%20The%20Acid%20Violet%20%28AV%207%29%20Adsorption%20Using%20RHA-CFA%20Adsorbent_Ahmad%20Aqil%20Asyraaf%20Bin%20Mohamad_M4_2021_ESAR.pdf
http://eprints.usm.my/54401/
_version_ 1743107825337368576
score 13.211869

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