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Communication

Sustainable Treatment for Sulfate and Lead Removal from Battery Wastewater

1
Center for Carbon Mineralization, Mineral Resources Division, Korea Institute of Geoscience and Mineral Resources, 124 Gwahak-ro, Gajeong-dong, Yuseong-gu, Daejeon 34132, Korea
2
Faculty of Biotechnology, Chemistry and Environmental Engineering, Phenikaa University, Hanoi 100000, Vietnam
3
Resources Recycling Department, University of Science and Technology, 217, Gajeong-ro, Yuseong-gu, Daejeon 34113, Korea
4
Tectonic and Geomorphology Department, Vietnam Institute of Geoscience and Mineral Resources (VIGMR), 67 Chienthang Street, Hadong district, Hanoi 151170, Vietnam
*
Author to whom correspondence should be addressed.
Sustainability 2019, 11(13), 3497; https://doi.org/10.3390/su11133497
Received: 30 April 2019 / Revised: 3 June 2019 / Accepted: 18 June 2019 / Published: 26 June 2019
In this study, we present a low-cost and simple method to treat spent lead–acid battery wastewater using quicklime and slaked lime. The sulfate and lead were successfully removed using the precipitation method. The structure of quicklime, slaked lime, and resultant residues were measured by X-ray diffraction. The obtained results show that the sulfate removal efficiencies were more than 97% for both quicklime and slaked lime and the lead removal efficiencies were 49% for quicklime and 53% for slaked lime in a non-carbonation process. After the carbonation step, the sulfate removal efficiencies were slightly decreased but the lead removal efficiencies were 68.4% for quicklime and 69.3% for slaked lime which were significantly increased compared with the non-carbonation process. This result suggested that quicklime, slaked lime, and carbon dioxide can be a potential candidate for the removal of sulfate and lead from industrial wastewater treatment. View Full-Text
Keywords: sustainable; battery wastewater; sulfate removal; lead removal sustainable; battery wastewater; sulfate removal; lead removal
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MDPI and ACS Style

Vu, H.H.T.; Gu, S.; Thriveni, T.; Khan, M.D.; Tuan, L.Q.; Ahn, J.W. Sustainable Treatment for Sulfate and Lead Removal from Battery Wastewater. Sustainability 2019, 11, 3497. https://doi.org/10.3390/su11133497

AMA Style

Vu HHT, Gu S, Thriveni T, Khan MD, Tuan LQ, Ahn JW. Sustainable Treatment for Sulfate and Lead Removal from Battery Wastewater. Sustainability. 2019; 11(13):3497. https://doi.org/10.3390/su11133497

Chicago/Turabian Style

Vu, Hong Ha Thi, Shuai Gu, Thenepalli Thriveni, Mohd Danish Khan, Lai Quang Tuan, and Ji Whan Ahn. 2019. "Sustainable Treatment for Sulfate and Lead Removal from Battery Wastewater" Sustainability 11, no. 13: 3497. https://doi.org/10.3390/su11133497

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