Advanced search
Publication Cover
Separation Science and Technology Volume 50, 2015 - Issue 9
Submit an article Journal homepage
272
Views
4
CrossRef citations to date
0
Altmetric
Adsorption

Adsorption of Hg(II) Ions by 3-Mercaptopropyltriethoxysilane Modified Mesoporous Silica Based on Multiwalled Carbon Nanotubes: Equilibrium, Kinetic, and Thermodynamic Studies

Xiaosheng TangKey Laboratory of Biogeology and Environmental Geology of Chinese Ministry of Education & School of Environmental Studies & Sino-Hungarian Joint Laboratory of Environmental Science and Health, China University of Geosciences, Wuhan, Hubei, P. R. China;College of Life Sciences, Hubei Normal University, Huangshi, Hubei, P. R. China
,
Jun YaoKey Laboratory of Biogeology and Environmental Geology of Chinese Ministry of Education & School of Environmental Studies & Sino-Hungarian Joint Laboratory of Environmental Science and Health, China University of Geosciences, Wuhan, Hubei, P. R. ChinaCorrespondence[email protected]
&
Ping TangEnvironmental Science and Engineering College, Hubei Polytechnic University, Huangshi, Hubei, P. R. China
Pages 1344-1352 | Received 16 Jul 2013, Accepted 22 Sep 2014, Published online: 29 May 2015
 
Sample our Physical Sciences journals, sign in here to start your FREE access for 14 days

Abstract

In this study, 3-mercaptopropyltriethoxysilane (MPTS) modified mesoporous silica based on multiwalled carbon nanotubes (MWCNTs@mSiO2-MPTS) was successfully prepared. The adsorption material was characterized and used for adsorbing Hg(II) ions from aqueous solution. The equilibrium data conformed better to the Langmuir isotherm with maximum adsorption capacity calculated 349.65 mg/g at 40ºC. The kinetics analysis revealed the adsorption process fitted well with the pseudo-second-order kinetic model. The thermodynamic parameters indicated the adsorption process was spontaneous and endothermic. All results obtained suggested that MWCNTs@mSiO2-MPTS may be employed as an efficient material for the adsorption or preconcentration of Hg(II) ions from aqueous solution.

Log in via your institution

Access through your institution

Log in to Taylor & Francis Online

Restore content access

Restore content access for purchases made as guest
Purchase options * Save for later

PDF download + Online access

  • 48 hours access to article PDF & online version
  • Article PDF can be downloaded
  • Article PDF can be printed
USD 61.00 Add to cart

Issue Purchase

  • 30 days online access to complete issue
  • Article PDFs can be downloaded
  • Article PDFs can be printed
USD 681.00 Add to cart

* Local tax will be added as applicable

Related Research

People also read lists articles that other readers of this article have read.

Recommended articles lists articles that we recommend and is powered by our AI driven recommendation engine.

Cited by lists all citing articles based on Crossref citations.
Articles with the Crossref icon will open in a new tab.