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Degradation of cationic and anionic dyes in coagulation-flocculation process using bi-functionalized silica hybrid with aluminum-ferric as auxiliary agent

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Main Authors: Lau, Yen Yie, Wong, Yee Shian, Teng, Tjoon Tow, Norhashimah, Morad, Mohd Rafatullah, Ong, Soon-An
Other Authors: yswong@unimap.edu.my
Format: Article
Language:English
Published: Royal Society of Chemistry 2016
Subjects:
Aluminum
Aromatic compounds
Azo dyes
Citrus fruits
Coagulation
Flocculation
Silica
Online Access:http://dspace.unimap.edu.my:80/xmlui/handle/123456789/41462
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spelling my.unimap-414622016-05-04T08:50:14Z Degradation of cationic and anionic dyes in coagulation-flocculation process using bi-functionalized silica hybrid with aluminum-ferric as auxiliary agent Lau, Yen Yie Wong, Yee Shian Teng, Tjoon Tow Norhashimah, Morad Mohd Rafatullah Ong, Soon-An yswong@unimap.edu.my Aluminum Aromatic compounds Azo dyes Citrus fruits Coagulation Flocculation Silica Link to publisher's homepage at http://pubs.rsc.org Cationic dye (methylene blue) and anionic dye (methyl orange) degradation in the coagulation process was demonstrated. The key material was a natural coagulant-laterite soil dominated by a silica component, while aluminum-ferric ions acted as an auxiliary agent in the degradation process. Charge neutralization, electrical double layer compression and sweeping flocculation were the mechanisms in the decolorization reaction. These results provided a new insight into effective dye degradation using a new class of natural coagulant-natural resources (laterite soil). The complex molecular structure of methylene blue and methyl orange was degraded into smaller hydrocarbon forms, accompanied by the formation of silsesquioxane. The silsesquioxane was the final product of degradation with promising flocculation and low volume sludge. Lastly, a comparison of the aluminum-based coagulant and a laterite soil natural coagulant shows a clear vision of the performance for both types of coagulant. 2016-05-04T08:50:14Z 2016-05-04T08:50:14Z 2015 Article RSC Advances, vol. 5 (43), 2015, pages 34206-34215 2046-2069 http://dspace.unimap.edu.my:80/xmlui/handle/123456789/41462 10.1039/C5RA01346A en Royal Society of Chemistry
institution Universiti Malaysia Perlis
building UniMAP Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Perlis
content_source UniMAP Library Digital Repository
url_provider http://dspace.unimap.edu.my/
language English
topic Aluminum
Aromatic compounds
Azo dyes
Citrus fruits
Coagulation
Flocculation
Silica
spellingShingle Aluminum
Aromatic compounds
Azo dyes
Citrus fruits
Coagulation
Flocculation
Silica
Lau, Yen Yie
Wong, Yee Shian
Teng, Tjoon Tow
Norhashimah, Morad
Mohd Rafatullah
Ong, Soon-An
Degradation of cationic and anionic dyes in coagulation-flocculation process using bi-functionalized silica hybrid with aluminum-ferric as auxiliary agent
description Link to publisher's homepage at http://pubs.rsc.org
author2 yswong@unimap.edu.my
author_facet yswong@unimap.edu.my
Lau, Yen Yie
Wong, Yee Shian
Teng, Tjoon Tow
Norhashimah, Morad
Mohd Rafatullah
Ong, Soon-An
format Article
author Lau, Yen Yie
Wong, Yee Shian
Teng, Tjoon Tow
Norhashimah, Morad
Mohd Rafatullah
Ong, Soon-An
author_sort Lau, Yen Yie
title Degradation of cationic and anionic dyes in coagulation-flocculation process using bi-functionalized silica hybrid with aluminum-ferric as auxiliary agent
title_short Degradation of cationic and anionic dyes in coagulation-flocculation process using bi-functionalized silica hybrid with aluminum-ferric as auxiliary agent
title_full Degradation of cationic and anionic dyes in coagulation-flocculation process using bi-functionalized silica hybrid with aluminum-ferric as auxiliary agent
title_fullStr Degradation of cationic and anionic dyes in coagulation-flocculation process using bi-functionalized silica hybrid with aluminum-ferric as auxiliary agent
title_full_unstemmed Degradation of cationic and anionic dyes in coagulation-flocculation process using bi-functionalized silica hybrid with aluminum-ferric as auxiliary agent
title_sort degradation of cationic and anionic dyes in coagulation-flocculation process using bi-functionalized silica hybrid with aluminum-ferric as auxiliary agent
publisher Royal Society of Chemistry
publishDate 2016
url http://dspace.unimap.edu.my:80/xmlui/handle/123456789/41462
_version_ 1643799609494994944
score 13.15806

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