Cotransport of multi-walled carbon nanotubes and titanium dioxide   nanoparticles in saturated porous media

doi:10.1016/j.envpol.2014.08.011

CORC > 北京大学 > 环境科学与工程学院

	Cotransport of multi-walled carbon nanotubes and titanium dioxide nanoparticles in saturated porous media
	Wang, Xueting ; Cai, Li ; Han, Peng ; Lin, Daohui ; Kim, Hyunjung ; Tong, Meiping
刊名	environmental pollution
	2014
关键词	MWCNTs Nano-TiO2 Cotransport Deposition Porous media QUARTZ SAND SOLUTION CHEMISTRY IONIC-STRENGTH ENVIRONMENTAL FATE CLAY PARTICLES HUMIC-ACID GRAIN-SIZE TRANSPORT DEPOSITION AGGREGATION
DOI	10.1016/j.envpol.2014.08.011
英文摘要	The cotransport of multi-walled carbon nanotubes (MWCNTs) and nanoscaled titanium dioxide (nano-TiO2) in porous media were investigated in 1 and 10 mM NaCl at both pH 5 and 7. Nano-TiO2 decreased MWCNTs transport under all conditions. The increased MWCNTs deposition at pH 5 was due to MWCNTs deposition onto previously deposited nano-TiO2 and codeposition of nano-TiO2-MWCNTs aggregates; whereas, codeposition of nano-TiO2-MWCNTs aggregates contributed to the increased MWCNTs deposition at pH 7. MWCNTs increased nano-TiO2 transport under all conditions except in 10 mM NaCl at pH 5. MWCNTs facilitated transport drove to the increased nano-TiO2 transport in 1 mM NaCl at pH 5; whereas, competition of deposition sites and stabilization of nano-TiO2 by MWCNTs mainly caused the increased nano-TiO2 transport at pH 7. Although MWCNTs didn't affect nano-TiO2 breakthrough curve in 10 mM NaCl at pH 5, concurrent aggregation induced straining yet shifted nano-TiO2 retained profile from log-linear to hyper-exponential decreases. (C) 2014 Elsevier Ltd. All rights reserved.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000344437600005&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Environmental Sciences; SCI(E); PubMed; 2; ARTICLE; tongmeiping@pku.edu.cn; 31-38; 195
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/158761]
专题	环境科学与工程学院
推荐引用方式 GB/T 7714	Wang, Xueting,Cai, Li,Han, Peng,et al. Cotransport of multi-walled carbon nanotubes and titanium dioxide nanoparticles in saturated porous media[J]. environmental pollution,2014.
APA	Wang, Xueting,Cai, Li,Han, Peng,Lin, Daohui,Kim, Hyunjung,&Tong, Meiping.(2014).Cotransport of multi-walled carbon nanotubes and titanium dioxide nanoparticles in saturated porous media.environmental pollution.
MLA	Wang, Xueting,et al."Cotransport of multi-walled carbon nanotubes and titanium dioxide nanoparticles in saturated porous media".environmental pollution (2014).