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Development of simple and cost effective method for arsenic (III) removal

In the present study, eight locally available low cost adsorbents (raw and heat treated) have been screening for its capability to remove As(III). The shale sedimentary rock (SSR) was selected as a good adsorbent based on high As(III) removal. The activation of adsorbent was carried out by heat (250...

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Main Authors: Yusof, Nur Zulaikha, Kassim, Mohd. Azraai, Ismail, Razali, Mohd. Yusoff, Abdul Rahim
Format: Article
Published: 2014
Subjects:
TA Engineering (General). Civil engineering (General)
Online Access:http://eprints.utm.my/id/eprint/59691/
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spelling my.utm.596912022-04-24T03:28:20Z http://eprints.utm.my/id/eprint/59691/ Development of simple and cost effective method for arsenic (III) removal Yusof, Nur Zulaikha Kassim, Mohd. Azraai Ismail, Razali Mohd. Yusoff, Abdul Rahim TA Engineering (General). Civil engineering (General) In the present study, eight locally available low cost adsorbents (raw and heat treated) have been screening for its capability to remove As(III). The shale sedimentary rock (SSR) was selected as a good adsorbent based on high As(III) removal. The activation of adsorbent was carried out by heat (250 - 550°C) and acid treatment (0.1 - 1 M H2SO4) in order to chose the best treatment method for As(III) removal. Sorption experiments were conducted to examine the effect of initial As(III) concentration, contact time and initial pH on As(III) removal by SSR. Results show that, only by heating the adsorbent at 500°C for 1h, 0.2 g of SSR adsorbent capable to reduce the residual As(III) concentration below than maximum concentration limit (10μg/L)for initial concentration from 100 to 700 μg/L and optimum pH ranges between 3 to 9 after 24 h of contact time.The adsorption data fits well with Langmuir isotherm and yielded Langmuir mono layer capacity of 0.987 mgAs(III)/g of SSR at pH 7. The SSR adsorbent has been successfully used for the removal of arsenic from seven real groundwater samples containing arsenic in the range of 20.2 to 697.34 μg/L with 86.73 to 97.86% removal efficiency. 2014 Article PeerReviewed Yusof, Nur Zulaikha and Kassim, Mohd. Azraai and Ismail, Razali and Mohd. Yusoff, Abdul Rahim (2014) Development of simple and cost effective method for arsenic (III) removal. Iranica Journal of Energy & Environment, 5 (3). pp. 287-294. ISSN 2079-2115
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic TA Engineering (General). Civil engineering (General)
spellingShingle TA Engineering (General). Civil engineering (General)
Yusof, Nur Zulaikha
Kassim, Mohd. Azraai
Ismail, Razali
Mohd. Yusoff, Abdul Rahim
Development of simple and cost effective method for arsenic (III) removal
description In the present study, eight locally available low cost adsorbents (raw and heat treated) have been screening for its capability to remove As(III). The shale sedimentary rock (SSR) was selected as a good adsorbent based on high As(III) removal. The activation of adsorbent was carried out by heat (250 - 550°C) and acid treatment (0.1 - 1 M H2SO4) in order to chose the best treatment method for As(III) removal. Sorption experiments were conducted to examine the effect of initial As(III) concentration, contact time and initial pH on As(III) removal by SSR. Results show that, only by heating the adsorbent at 500°C for 1h, 0.2 g of SSR adsorbent capable to reduce the residual As(III) concentration below than maximum concentration limit (10μg/L)for initial concentration from 100 to 700 μg/L and optimum pH ranges between 3 to 9 after 24 h of contact time.The adsorption data fits well with Langmuir isotherm and yielded Langmuir mono layer capacity of 0.987 mgAs(III)/g of SSR at pH 7. The SSR adsorbent has been successfully used for the removal of arsenic from seven real groundwater samples containing arsenic in the range of 20.2 to 697.34 μg/L with 86.73 to 97.86% removal efficiency.
format Article
author Yusof, Nur Zulaikha
Kassim, Mohd. Azraai
Ismail, Razali
Mohd. Yusoff, Abdul Rahim
author_facet Yusof, Nur Zulaikha
Kassim, Mohd. Azraai
Ismail, Razali
Mohd. Yusoff, Abdul Rahim
author_sort Yusof, Nur Zulaikha
title Development of simple and cost effective method for arsenic (III) removal
title_short Development of simple and cost effective method for arsenic (III) removal
title_full Development of simple and cost effective method for arsenic (III) removal
title_fullStr Development of simple and cost effective method for arsenic (III) removal
title_full_unstemmed Development of simple and cost effective method for arsenic (III) removal
title_sort development of simple and cost effective method for arsenic (iii) removal
publishDate 2014
url http://eprints.utm.my/id/eprint/59691/
_version_ 1732945374877843456
score 13.211869

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