PREPARATION OF ACTIVATED CARBONS FROM DATE STONES BY CHEMICAL ACTIVATION METHOD USING FeCl3 and ZnCl2 as ACTIVATING AGENTS
Date stones were used as precursor for the preparation of activated carbons by chemical activation with ferric chloride and zinc chloride. The effects of operating conditions represented by the activation time, activation temperature, and impregnation ratio on the yield and adsorption capacity towa...
Main Author: | |
---|---|
Format: | Article |
Language: | English |
Published: |
University of Baghdad
2011-08-01
|
Series: | Journal of Engineering |
Subjects: | |
Online Access: | https://www.joe.uobaghdad.edu.iq/index.php/main/article/view/2984 |
_version_ | 1827365987287040000 |
---|---|
author | Muthanna J. Ahmed |
author_facet | Muthanna J. Ahmed |
author_sort | Muthanna J. Ahmed |
collection | DOAJ |
description |
Date stones were used as precursor for the preparation of activated carbons by chemical
activation with ferric chloride and zinc chloride. The effects of operating conditions represented
by the activation time, activation temperature, and impregnation ratio on the yield and adsorption
capacity towards methylene blue (MB) of prepared activated carbon by ferric chloride activation
(FAC) and zinc chloride activation (ZAC) were studied. For FAC, an optimum conditions of 1.25
h activation time, 700 °C activation temperature, and 1.5 impregnation ratio gave 185.15 mg/g
MB uptake and 47.08 % yield, while for ZAC, 240.77 mg/g MB uptake and 40.46 % yield were
obtained at the optimum conditions of 1.25 h activation time, 500 °C activation temperature, and
2 impregnation ratio. The equilibrium data for MB adsorption on prepared activated carbons at
optimum conditions were well represented by the Langmuir isotherm model, giving maximum
MB uptake of 304.51 and 387.54 mg/g for FAC and ZAC, respectively. Also, the results showed
that the surface area and iodine number of activated carbon prepared by activation with ferric
chloride at optimum conditions were 780.06 m2/g and 761.40 mg/g, respectively. While 1045.61
m2/g surface area and 1008.86 mg/g iodine number were obtained for ZAC prepared at optimum
conditions.
|
first_indexed | 2024-03-08T08:40:43Z |
format | Article |
id | doaj.art-c737d38e2f0a4d56ae8e17bd3708e534 |
institution | Directory Open Access Journal |
issn | 1726-4073 2520-3339 |
language | English |
last_indexed | 2024-03-08T08:40:43Z |
publishDate | 2011-08-01 |
publisher | University of Baghdad |
record_format | Article |
series | Journal of Engineering |
spelling | doaj.art-c737d38e2f0a4d56ae8e17bd3708e5342024-02-01T19:48:44ZengUniversity of BaghdadJournal of Engineering1726-40732520-33392011-08-01170410.31026/j.eng.2011.04.26PREPARATION OF ACTIVATED CARBONS FROM DATE STONES BY CHEMICAL ACTIVATION METHOD USING FeCl3 and ZnCl2 as ACTIVATING AGENTSMuthanna J. Ahmed Date stones were used as precursor for the preparation of activated carbons by chemical activation with ferric chloride and zinc chloride. The effects of operating conditions represented by the activation time, activation temperature, and impregnation ratio on the yield and adsorption capacity towards methylene blue (MB) of prepared activated carbon by ferric chloride activation (FAC) and zinc chloride activation (ZAC) were studied. For FAC, an optimum conditions of 1.25 h activation time, 700 °C activation temperature, and 1.5 impregnation ratio gave 185.15 mg/g MB uptake and 47.08 % yield, while for ZAC, 240.77 mg/g MB uptake and 40.46 % yield were obtained at the optimum conditions of 1.25 h activation time, 500 °C activation temperature, and 2 impregnation ratio. The equilibrium data for MB adsorption on prepared activated carbons at optimum conditions were well represented by the Langmuir isotherm model, giving maximum MB uptake of 304.51 and 387.54 mg/g for FAC and ZAC, respectively. Also, the results showed that the surface area and iodine number of activated carbon prepared by activation with ferric chloride at optimum conditions were 780.06 m2/g and 761.40 mg/g, respectively. While 1045.61 m2/g surface area and 1008.86 mg/g iodine number were obtained for ZAC prepared at optimum conditions. https://www.joe.uobaghdad.edu.iq/index.php/main/article/view/2984Activated carbon, chemical activation, ferric chloride, zinc chloride, date stones |
spellingShingle | Muthanna J. Ahmed PREPARATION OF ACTIVATED CARBONS FROM DATE STONES BY CHEMICAL ACTIVATION METHOD USING FeCl3 and ZnCl2 as ACTIVATING AGENTS Journal of Engineering Activated carbon, chemical activation, ferric chloride, zinc chloride, date stones |
title | PREPARATION OF ACTIVATED CARBONS FROM DATE STONES BY CHEMICAL ACTIVATION METHOD USING FeCl3 and ZnCl2 as ACTIVATING AGENTS |
title_full | PREPARATION OF ACTIVATED CARBONS FROM DATE STONES BY CHEMICAL ACTIVATION METHOD USING FeCl3 and ZnCl2 as ACTIVATING AGENTS |
title_fullStr | PREPARATION OF ACTIVATED CARBONS FROM DATE STONES BY CHEMICAL ACTIVATION METHOD USING FeCl3 and ZnCl2 as ACTIVATING AGENTS |
title_full_unstemmed | PREPARATION OF ACTIVATED CARBONS FROM DATE STONES BY CHEMICAL ACTIVATION METHOD USING FeCl3 and ZnCl2 as ACTIVATING AGENTS |
title_short | PREPARATION OF ACTIVATED CARBONS FROM DATE STONES BY CHEMICAL ACTIVATION METHOD USING FeCl3 and ZnCl2 as ACTIVATING AGENTS |
title_sort | preparation of activated carbons from date stones by chemical activation method using fecl3 and zncl2 as activating agents |
topic | Activated carbon, chemical activation, ferric chloride, zinc chloride, date stones |
url | https://www.joe.uobaghdad.edu.iq/index.php/main/article/view/2984 |
work_keys_str_mv | AT muthannajahmed preparationofactivatedcarbonsfromdatestonesbychemicalactivationmethodusingfecl3andzncl2asactivatingagents |