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@ARTICLE{Zhang:904449,
      author       = {Zhang, Miaoyue and Bradford, Scott A. and Klumpp, Erwin and
                      Šimůnek, Jirka and Jin, Chao and Qiu, Rongliang},
      title        = {{N}on-monotonic contribution of nonionic surfactant on the
                      retention of functionalized multi-walled carbon nanotubes in
                      porous media},
      journal      = {Journal of hazardous materials},
      volume       = {407},
      issn         = {0304-3894},
      address      = {New York, NY [u.a.]},
      publisher    = {Science Direct},
      reportid     = {FZJ-2021-06019},
      pages        = {124874 -},
      year         = {2021},
      note         = {Ein Postprint steht leider nicht zur Verfügung},
      abstract     = {The concentration of nonionic surfactants like Triton X-100
                      (TX100) can influence the transport and fate of emerging
                      contaminants (e.g., carbon nanotubes) in porous media, but
                      limited research has previously addressed this issue. This
                      study investigates the co-transport of functionalized
                      multi-walled carbon nanotubes (MWCNTs) and various
                      concentrations of TX100 in saturated quartz sand (QS). Batch
                      experiments and molecular dynamics simulations were
                      conducted to investigate the interactions between TX100 and
                      MWCNTs. Results indicated that the concentration ratio of
                      MWCNTs and TX100 strongly influences the dispersion of
                      MWCNTs and interaction forces between MWCNTs and QS during
                      the transport. Breakthrough curves of MWCNTs and TX100 and
                      retention profiles of MWCNTs were determined and simulated
                      in column studies. MWCNTs strongly enhanced the retention of
                      TX100 in QS due to the high affinity of TX100 for MWCNTs.
                      Conversely, the concentration of TX100 had a non-monotonic
                      impact on MWCNT retention. The maximum transport of MWCNTs
                      in the QS occurred at an input concentration of TX100 that
                      was lower than the critical micelle concentration. This
                      suggests that the relative importance of factors influencing
                      MWCNTs changed with TX100 sorption. Results from interaction
                      energy calculations and modeling of competitive blocking
                      indicate that the predictive ability of interaction energy
                      calculations and colloid filtration theory may be lost
                      because TX100 mainly altered intermolecular forces between
                      the MWCNT and porous media. This study provides new insights
                      into the co-transport of surfactants and MWCNTs in porous
                      media, which can be useful for environmental applications
                      and risk management.},
      cin          = {IBG-3},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {2173 - Agro-biogeosystems: controls, feedbacks and impact
                      (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2173},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {33373966},
      UT           = {WOS:000613431300005},
      doi          = {10.1016/j.jhazmat.2020.124874},
      url          = {https://juser.fz-juelich.de/record/904449},
}