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Desalination and Water Treatment Volume 57, 2016 - Issue 60
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Articles

Adsorptive removal of arsenate using inorganic magnetite particles

Younggyun ChoiDepartment of Environmental Engineering, Daegu University, Daegudae-ro 201, Gyeongsan712-714, Korea, Tel. +82 53 850 6692; Fax: +82 53 850 6699Correspondence[email protected]
,
Phearom SanDepartment of Environmental Engineering, Daegu University, Daegudae-ro 201, Gyeongsan712-714, Korea, Tel. +82 53 850 6692; Fax: +82 53 850 6699Correspondence[email protected]
,
Jonica Ella DolienteDepartment of Environmental Engineering, Daegu University, Daegudae-ro 201, Gyeongsan712-714, Korea, Tel. +82 53 850 6692; Fax: +82 53 850 6699Correspondence[email protected]
,
Minsoo MaengDepartment of Civil and Environmental Engineering, Dankook University, Yongin-si, Gyeonggi-do448-701, Korea, Tel. +82 31 8005 3479; Fax: +82 31 8021 7213Correspondence[email protected]
,
Seok DockkoDepartment of Civil and Environmental Engineering, Dankook University, Yongin-si, Gyeonggi-do448-701, Korea, Tel. +82 31 8005 3479; Fax: +82 31 8021 7213Correspondence[email protected]
&
Euiso ChoiInnovative Water Center, NPIC, Phnom Penh, CambodiaCorrespondence[email protected]
Pages 29448-29456 | Received 14 Dec 2015, Accepted 06 Mar 2016, Published online: 28 Mar 2016
 
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Abstract

Arsenic (As)-contaminated drinking water is a serious health problem in many parts of the world. Although magnetite particles have been shown to be effective at removal of arsenic from water, there has been no research to assess the feasibility of using mill scale-derived magnetite for water treatment. This project was conducted to evaluate magnetite particles as a cost-effective and eco-friendly As adsorbent. Mill scale iron waste has been used to prepare magnetite. The synthesized magnetite was fully characterized and used for the removal of arsenate anion from water. Magnetite showed adsorption capacity of 8.612 mg/g for arsenate anion. Desorption studies were done on the adsorbent to check the recyclability. Magnetite was regenerated with no change in arsenic removal efficiency.

Acknowledgment

This research was supported by the National Research Foundation of Korea (NRF-2013K1A3A9A04043230).

Notes

Presented at the 8th International Conference on Challenges in Environmental Science & Engineering (CESE-2015) 28 September–2 October 2015, Sydney, Australia

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