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@ARTICLE{Khalaf:902940,
      author       = {Khalaf, Bayan and Hamed, Othman and Jodeh, Shehdeh and
                      Hanbali, Ghadir and Bol, Roland and Dagdag, Omar and Samhan,
                      Subhi},
      title        = {{N}ovel, {E}nvironment-{F}riendly {C}ellulose-{B}ased
                      {D}erivatives for {T}etraconazole {R}emoval from {A}queous
                      {S}olution},
      journal      = {Polymers},
      volume       = {13},
      number       = {3},
      issn         = {2073-4360},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2021-04693},
      pages        = {450 -},
      year         = {2021},
      abstract     = {In this study, cellulose-based derivatives with
                      heterocyclic moieties were synthesized by reacting cellulose
                      with furan-2-carbonyl chloride (Cell-F) and
                      pyridine-2,6-dicarbonyl dichloride (Cell-P). The derivatives
                      were evaluated as adsorbents for the pesticide tetraconazole
                      from aqueous solution. The prepared adsorbents were
                      characterized by SEM, TGA, IR, and H1 NMR instruments. To
                      maximize the adsorption efficiency of tetraconazole, the
                      optimum conditions of contact time, pH, temperature,
                      adsorbent dose, and initial concentration of adsorbate were
                      determined. The highest removal percentage of tetraconazole
                      from water was $98.51\%$ and $95\%$ using Cell-F and Cell-P,
                      respectively. Underivatized nanocellulose was also evaluated
                      as an adsorbent for tetraconazole for comparison purpose,
                      and it showed a removal efficiency of about $91.73\%.$ The
                      best equilibrium adsorption isotherm model of each process
                      was investigated based on the experimental and calculated R2
                      values of Freundlich and Langmuir models. The adsorption
                      kinetics were also investigated using pseudo-first-order,
                      pseudo-second-order, and intra-particle-diffusion adsorption
                      kinetic models. The Van’t Hoff plot was also studied for
                      each adsorption to determine the changes in adsorption
                      enthalpy (∆H), Gibbs free energy (∆G), and entropy
                      (∆S). The obtained results showed that adsorption by
                      Cell-F and Cell-P follow the Langmuir adsorption isotherm
                      and the mechanism follows the pseudo-second-order kinetic
                      adsorption model. The obtained negative values of the
                      thermodynamic parameter ∆G (−4.693, −4.792, −5.549
                      kJ) for nanocellulose, Cell-F, and Cell-P, respectively,
                      indicate a spontaneous adsorption process. Cell-F and Cell-P
                      could be promising absorbents on a commercial scale for
                      tetraconazole and other pesticides},
      cin          = {IBG-3},
      ddc          = {540},
      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       = {33573294},
      UT           = {WOS:000615429900001},
      doi          = {10.3390/polym13030450},
      url          = {https://juser.fz-juelich.de/record/902940},
}