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author:

Liu, F. (Liu, F..) [1] | Zhang, C. (Zhang, C..) [2] | Zhao, T. (Zhao, T..) [3] | Zu, Y. (Zu, Y..) [4] | Wu, X. (Wu, X..) [5] | Li, B. (Li, B..) [6] | Xing, X. (Xing, X..) [7] | Niu, J. (Niu, J..) [8] | Chen, X. (Chen, X..) [9] | Qin, C. (Qin, C..) [10]

Indexed by:

Scopus

Abstract:

This study investigates the behavior and fate of TiO2 NPs in conventional water treatment (coagulation/flocculation/sedimentation) under the influence of waterborne phosphate, focusing on the phosphate uptake rate, surface interactions, and dispersion stability and removal efficiency of TiO2 NPs. The adsorption of HPO42− ions on TiO2 NPs (i.e., surface complexation in solution) causes displacement of carbonate species. Moreover, adsorption experiments indicates that complexation of inorganic anions on the surfaces of TiO2 NPs can occur rapidly, within a 5 min time frame. This study confirmed that phosphate would affect the surface charge of the TiO2 NPs; thus, the bridging effect during coagulation may also be hindered by phosphate becoming attached to TiO2 NP surfaces. This information will contribute to nanotechnology-related water safety and water treatment technology. © 2019 Elsevier Ltd

Keyword:

Coagulation; Phosphate; Removal of nanoparticles; Water safety

Community:

  • [ 1 ] [Liu, F.]Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
  • [ 2 ] [Liu, F.]Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun, 130021, China
  • [ 3 ] [Zhang, C.]Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
  • [ 4 ] [Zhang, C.]Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun, 130021, China
  • [ 5 ] [Zhao, T.]Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
  • [ 6 ] [Zhao, T.]State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, China
  • [ 7 ] [Zu, Y.]Department of Environmental Engineering, School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China
  • [ 8 ] [Wu, X.]Fujian Provincial Engineering Research Center for High-value Utilization Technology of Plant Resources, College of Environment and Resources, Fuzhou University, Fuzhou, 350108, China
  • [ 9 ] [Li, B.]Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
  • [ 10 ] [Li, B.]Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun, 130021, China
  • [ 11 ] [Xing, X.]State Key Joint Laboratory of Environment Simulation and Pollution Control, School of Environment, Tsinghua University, Beijing, 100084, China
  • [ 12 ] [Niu, J.]Center of Safe and Energy-saving Engineering Technology for Urban Water Supply and Drainage System, School of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou, 350118, China
  • [ 13 ] [Chen, X.]Fujian Provincial Engineering Research Center for High-value Utilization Technology of Plant Resources, College of Environment and Resources, Fuzhou University, Fuzhou, 350108, China
  • [ 14 ] [Qin, C.]Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China
  • [ 15 ] [Qin, C.]Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun, 130021, China

Reprint 's Address:

  • [Zhang, C.]Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin UniversityChina

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Source :

Chemosphere

ISSN: 0045-6535

Year: 2019

Volume: 224

Page: 580-587

5 . 7 7 8

JCR@2019

8 . 1 0 0

JCR@2023

ESI HC Threshold:188

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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