Reductive Adsorption of Chromium(VI) with Activated Carbon

Reductive adsorption of chromium (Cr) has been investigated, employing coal-based activated carbon with batchwise study. The adsorption was carried out by varying parameters such as pH of the aqueous solution and contact time. Cr(III) was hardly adsorbed on activated carbon, and it was precipitated...

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Main Authors: Hoang Anh Viet, Chen Ya Wen, Wang Ya-Fen, Nishihama Syouhei, Yoshizuka Kazuharu
Format: Article
Language:English
Published: EDP Sciences 2021-01-01
Series:MATEC Web of Conferences
Online Access:https://www.matec-conferences.org/articles/matecconf/pdf/2021/02/matecconf_apcche21_04004.pdf
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author Hoang Anh Viet
Chen Ya Wen
Wang Ya-Fen
Nishihama Syouhei
Yoshizuka Kazuharu
author_facet Hoang Anh Viet
Chen Ya Wen
Wang Ya-Fen
Nishihama Syouhei
Yoshizuka Kazuharu
author_sort Hoang Anh Viet
collection DOAJ
description Reductive adsorption of chromium (Cr) has been investigated, employing coal-based activated carbon with batchwise study. The adsorption was carried out by varying parameters such as pH of the aqueous solution and contact time. Cr(III) was hardly adsorbed on activated carbon, and it was precipitated at high pH region. High adsorption amounts of Cr(VI) was obtained at pH range 4.5 – 5.5. In the adsorption process, reduction of Cr(VI) to Cr(III) was occurred at especially acidic pH region, and thus most of Cr remained in the aqueous solution in this pH region was Cr(III).
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spelling doaj.art-10db60921ac547d0abd21f0b35c5bd472022-12-21T22:33:39ZengEDP SciencesMATEC Web of Conferences2261-236X2021-01-013330400410.1051/matecconf/202133304004matecconf_apcche21_04004Reductive Adsorption of Chromium(VI) with Activated CarbonHoang Anh Viet0Chen Ya Wen1Wang Ya-Fen2Nishihama Syouhei3Yoshizuka Kazuharu4Department of Chemical Engineering, The University of KitakyushuDepartment of Environmental Engineering, Chung Yuan Christian UniversityDepartment of Environmental Engineering, Chung Yuan Christian UniversityDepartment of Chemical Engineering, The University of KitakyushuDepartment of Chemical Engineering, The University of KitakyushuReductive adsorption of chromium (Cr) has been investigated, employing coal-based activated carbon with batchwise study. The adsorption was carried out by varying parameters such as pH of the aqueous solution and contact time. Cr(III) was hardly adsorbed on activated carbon, and it was precipitated at high pH region. High adsorption amounts of Cr(VI) was obtained at pH range 4.5 – 5.5. In the adsorption process, reduction of Cr(VI) to Cr(III) was occurred at especially acidic pH region, and thus most of Cr remained in the aqueous solution in this pH region was Cr(III).https://www.matec-conferences.org/articles/matecconf/pdf/2021/02/matecconf_apcche21_04004.pdf
spellingShingle Hoang Anh Viet
Chen Ya Wen
Wang Ya-Fen
Nishihama Syouhei
Yoshizuka Kazuharu
Reductive Adsorption of Chromium(VI) with Activated Carbon
MATEC Web of Conferences
title Reductive Adsorption of Chromium(VI) with Activated Carbon
title_full Reductive Adsorption of Chromium(VI) with Activated Carbon
title_fullStr Reductive Adsorption of Chromium(VI) with Activated Carbon
title_full_unstemmed Reductive Adsorption of Chromium(VI) with Activated Carbon
title_short Reductive Adsorption of Chromium(VI) with Activated Carbon
title_sort reductive adsorption of chromium vi with activated carbon
url https://www.matec-conferences.org/articles/matecconf/pdf/2021/02/matecconf_apcche21_04004.pdf
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