CAS OpenIR  > 中科院上海应用物理研究所2011-2020年
Simultaneous As(III) and Cd removal from copper smelting wastewater using granular TiO2 columns
Yan, L; Huang, YY; Cui, JL; Jing, CY
2015
Source PublicationWATER RESEARCH
Volume68Pages:572—579
Subtype期刊文献
AbstractRemediation of metallurgical industry wastewater has presented a great environmental challenge for decades. In this study, a complete remediation technology was proposed for simultaneous As(III) and Cd adsorptive removal, adsorbent regeneration, and recovery of As and Cd. Using three granular TiO2 columns in series, As(III) and Cd in the raw water at 2590 +/- 295 and 12 +/- 2 mg/L, respectively, could be reduced to 0.16 +/- 0.11 and 0.0133 +/- 0.0134 mg/L, well below the wastewater discharge limit. Spent TiO2 media could be regenerated using H2SO4 and NaOH, and the regenerated adsorbent could be re-used for at least 10 treatment cycles and 770 bed volumes with no decrease in its adsorption capacity. Remediation of 1 L wastewater generated 0.89-1.5 g solid residue which could be used as an intermediate for the As and Cd chemical refinement. The waste solution can be further treated after mixing with raw water to adjust the raw pH from 1.4 to 7. This adsorption, regeneration, and reuse process provides an innovative technology for metallurgical industry wastewater remediation that is promising for practical application. (C) 2014 Elsevier Ltd. All rights reserved.
KeywordAcid-mine Drainage Fixed-bed Adsorbers Titanium-dioxide Arsenate Removal Predictive Model Adsorption Cadmium Mechanism Ph Hydroxide
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24566
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Yan, L,Huang, YY,Cui, JL,et al. Simultaneous As(III) and Cd removal from copper smelting wastewater using granular TiO2 columns[J]. WATER RESEARCH,2015,68:572—579.
APA Yan, L,Huang, YY,Cui, JL,&Jing, CY.(2015).Simultaneous As(III) and Cd removal from copper smelting wastewater using granular TiO2 columns.WATER RESEARCH,68,572—579.
MLA Yan, L,et al."Simultaneous As(III) and Cd removal from copper smelting wastewater using granular TiO2 columns".WATER RESEARCH 68(2015):572—579.
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