IHEP OpenIR  > 多学科研究中心
Citric Acid Enhanced Copper Removal by a Novel Multi-amines Decorated Resin
Ling, C; Liu, FQ; Pei, ZG; Zhang, XP; Wei, MM; Zhang, YH; Zheng, LR; Zhang, J; Li, AM; Xing, BS; Zheng LR(郑黎荣); Zhang J(张静)
AbstractCu removal by a novel multi-amines decorated resin (PAMD) from wastewater in the absence or presence of citric acid (CA) was examined. Adsorption capacity of Cu onto PAMD markedly increased by 186% to 5.07 mmol/g in the presence of CA, up to 7 times of that onto four commercial resins under the same conditions. Preloaded and kinetic studies demonstrated adsorption of [Cu-CA] complex instead of CA site-bridging and variations of adsorbate species were qualitatively illustrated. The interaction configuration was further studied with ESI-MS, FTIR, XPS and XANES characterizations. The large enhancement of Cu adsorption in Cu-CA bi-solutes systems was attributed to mechanism change from single-site to dual-sites interaction in which cationic or neutral Cu species (Cu2+ and CuHLo) coordinated with neutral amine sites and anionic complex species (CuL- and Cu2L22-) directly interacted with protonated amine sites via electrostatic attraction, and the ratio of the two interactions was approximately 0.5 for the equimolar bi-solutes system. Moreover, commonly coexisting ions in wastewaters had no obvious effect on the superior performance of PAMD. Also, Cu and CA could be recovered completely with HCl. Therefore, PAMD has a great potential to efficiently remove heavy metal ions from wastewaters in the presence of organic acids.
Subject AreaScience & Technology - Other Topics
Indexed BySCI ; ADS
WOS Research AreaMultidisciplinary Sciences
WOS SubjectScience & Technology - Other Topics
WOS IDWOS:000354309800001
ADS Bibcode2015NatSR...5E9944L
ADS URLhttps://ui.adsabs.harvard.edu/abs/2015NatSR...5E9944L
ADS CITATIONShttps://ui.adsabs.harvard.edu/abs/2015NatSR...5E9944L/citations
Citation statistics
Cited Times:7 [ADS]
Document Type期刊论文
Recommended Citation
GB/T 7714
Ling, C,Liu, FQ,Pei, ZG,et al. Citric Acid Enhanced Copper Removal by a Novel Multi-amines Decorated Resin[J]. SCIENTIFIC REPORTS,2015,5:9944.
APA Ling, C.,Liu, FQ.,Pei, ZG.,Zhang, XP.,Wei, MM.,...&张静.(2015).Citric Acid Enhanced Copper Removal by a Novel Multi-amines Decorated Resin.SCIENTIFIC REPORTS,5,9944.
MLA Ling, C,et al."Citric Acid Enhanced Copper Removal by a Novel Multi-amines Decorated Resin".SCIENTIFIC REPORTS 5(2015):9944.
Files in This Item:
File Name/Size DocType Version Access License
465.pdf(1417KB)期刊论文作者接受稿限制开放CC BY-NC-SAApplication Full Text
Related Services
Recommend this item
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Ling, C]'s Articles
[Liu, FQ]'s Articles
[Pei, ZG]'s Articles
Baidu academic
Similar articles in Baidu academic
[Ling, C]'s Articles
[Liu, FQ]'s Articles
[Pei, ZG]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Ling, C]'s Articles
[Liu, FQ]'s Articles
[Pei, ZG]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.