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Adsorption of Chlorendic Acid onto Hydrophilic Fumed Titanium Dioxide (P25)

Received: 11 November 2013     Published: 20 December 2013
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Abstract

The adsorption behavior of chlorendic acid (1, 4, 5, 6, 7, 7-hexachlorobicyclo-(2, 2, 1) -hept-5-ene-2, 3-dicarboxylic acid) onto hydrophilic fumed TiO2 (P-25, Degussa) in aqueous suspension was investigated. Results indicate that chlorendic acid adsorbed strongly in short times (2-5 mins) onto TiO2. Adsorption data is consistent with Langmuir-Hinshelwood isotherm model for monolayer adsorption and the shape of the isotherm indicates second order behavior. Calculated adsorption constant K, and maximum adsorbable quantity at 20oC were obtained as (0.12 ± 0.03) l/mg and (4.4 ± 0.2) mg/g TiO2 respectively. Adsorption of chlorendic acid in water onto TiO2 is exothermic.

Published in American Journal of Environmental Protection (Volume 2, Issue 6)
DOI 10.11648/j.ajep.20130206.20
Page(s) 183-187
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2013. Published by Science Publishing Group

Keywords

Adsorption, Reactive Flame Retardant, Titanium Dioxide

References
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  • APA Style

    Ndokiari Boisa. (2013). Adsorption of Chlorendic Acid onto Hydrophilic Fumed Titanium Dioxide (P25). American Journal of Environmental Protection, 2(6), 183-187. https://doi.org/10.11648/j.ajep.20130206.20

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    ACS Style

    Ndokiari Boisa. Adsorption of Chlorendic Acid onto Hydrophilic Fumed Titanium Dioxide (P25). Am. J. Environ. Prot. 2013, 2(6), 183-187. doi: 10.11648/j.ajep.20130206.20

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    AMA Style

    Ndokiari Boisa. Adsorption of Chlorendic Acid onto Hydrophilic Fumed Titanium Dioxide (P25). Am J Environ Prot. 2013;2(6):183-187. doi: 10.11648/j.ajep.20130206.20

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  • @article{10.11648/j.ajep.20130206.20,
      author = {Ndokiari Boisa},
      title = {Adsorption of Chlorendic Acid onto Hydrophilic Fumed Titanium Dioxide (P25)},
      journal = {American Journal of Environmental Protection},
      volume = {2},
      number = {6},
      pages = {183-187},
      doi = {10.11648/j.ajep.20130206.20},
      url = {https://doi.org/10.11648/j.ajep.20130206.20},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajep.20130206.20},
      abstract = {The adsorption behavior of chlorendic acid (1, 4, 5, 6, 7, 7-hexachlorobicyclo-(2, 2, 1) -hept-5-ene-2, 3-dicarboxylic acid) onto hydrophilic fumed TiO2 (P-25, Degussa) in aqueous suspension was investigated. Results indicate that chlorendic acid adsorbed strongly in short times (2-5 mins) onto TiO2. Adsorption data is consistent with Langmuir-Hinshelwood isotherm model for monolayer adsorption and the shape of the isotherm indicates second order behavior. Calculated adsorption constant K, and maximum adsorbable quantity at 20oC were obtained as (0.12 ± 0.03) l/mg and (4.4 ± 0.2) mg/g TiO2 respectively. Adsorption of chlorendic acid in water onto TiO2 is exothermic.},
     year = {2013}
    }
    

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  • TY  - JOUR
    T1  - Adsorption of Chlorendic Acid onto Hydrophilic Fumed Titanium Dioxide (P25)
    AU  - Ndokiari Boisa
    Y1  - 2013/12/20
    PY  - 2013
    N1  - https://doi.org/10.11648/j.ajep.20130206.20
    DO  - 10.11648/j.ajep.20130206.20
    T2  - American Journal of Environmental Protection
    JF  - American Journal of Environmental Protection
    JO  - American Journal of Environmental Protection
    SP  - 183
    EP  - 187
    PB  - Science Publishing Group
    SN  - 2328-5699
    UR  - https://doi.org/10.11648/j.ajep.20130206.20
    AB  - The adsorption behavior of chlorendic acid (1, 4, 5, 6, 7, 7-hexachlorobicyclo-(2, 2, 1) -hept-5-ene-2, 3-dicarboxylic acid) onto hydrophilic fumed TiO2 (P-25, Degussa) in aqueous suspension was investigated. Results indicate that chlorendic acid adsorbed strongly in short times (2-5 mins) onto TiO2. Adsorption data is consistent with Langmuir-Hinshelwood isotherm model for monolayer adsorption and the shape of the isotherm indicates second order behavior. Calculated adsorption constant K, and maximum adsorbable quantity at 20oC were obtained as (0.12 ± 0.03) l/mg and (4.4 ± 0.2) mg/g TiO2 respectively. Adsorption of chlorendic acid in water onto TiO2 is exothermic.
    VL  - 2
    IS  - 6
    ER  - 

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Author Information
  • Dept. of Chemistry, Faculty of Science, Rivers State University of Science and Technology, P.M.B. 5080, Port Harcourt, Nigeria

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