Biosorption of cadmium ions using Pleurotus ostreatus: Growth kinetics, isotherm study and biosorption mechanism

Chia Chay Tay, Hong Hooi Liew, Chun Yang Yin, Suhaimi Abdul-Talib, Salmijah Surif, Afiza Abdullah Suhaimi, Soon Kong Yong

    Research output: Contribution to journalArticle

    25 Citations (Scopus)

    Abstract

    The mycelial growth kinetics, cadmium biosorption capacity and main governing biosorption mechanism of Pleurotus ostreatus (oyster mushroom) have been determined in this study. The fungus mycelium exhibits a sigmoidal (S-shaped) growth curve in which the growth rates for the lag and exponential phases are 0.1 and 0.31 g/L·day, respectively. The grown fungus is subjected to elemental, infra-red and scanning electron microscopy-energy dispersive x-ray spectroscopy analyses, while biosorption data are fitted to established adsorption isotherm models, namely, Langmuir, Freundlich and Dubinin-Radushkevich. It is strongly suggested that the main governing mechanism involved is chemisorption due to good fitting of biosorption data to Langmuir and Dubinin-Radushkevich models with possibility of involvement of both ion exchange and complexation. Data presented in the study are very useful for design of future pilot- or industrial-scale biosorption water purification systems.

    Original languageEnglish
    Pages (from-to)825-830
    Number of pages6
    JournalKorean Journal of Chemical Engineering
    Volume28
    Issue number3
    DOIs
    Publication statusPublished - Mar 2011

    Fingerprint

    Biosorption
    Growth kinetics
    Cadmium
    Isotherms
    Ions
    Fungi
    Chemisorption
    Complexation
    Adsorption isotherms
    Purification
    Ion exchange
    Spectroscopy
    Infrared radiation
    X rays
    Scanning electron microscopy
    Water

    Keywords

    • Biosorbent
    • Cadmium
    • Pleurotus ostreatus

    ASJC Scopus subject areas

    • Chemistry(all)
    • Chemical Engineering(all)

    Cite this

    Biosorption of cadmium ions using Pleurotus ostreatus : Growth kinetics, isotherm study and biosorption mechanism. / Tay, Chia Chay; Liew, Hong Hooi; Yin, Chun Yang; Abdul-Talib, Suhaimi; Surif, Salmijah; Suhaimi, Afiza Abdullah; Yong, Soon Kong.

    In: Korean Journal of Chemical Engineering, Vol. 28, No. 3, 03.2011, p. 825-830.

    Research output: Contribution to journalArticle

    Tay, Chia Chay ; Liew, Hong Hooi ; Yin, Chun Yang ; Abdul-Talib, Suhaimi ; Surif, Salmijah ; Suhaimi, Afiza Abdullah ; Yong, Soon Kong. / Biosorption of cadmium ions using Pleurotus ostreatus : Growth kinetics, isotherm study and biosorption mechanism. In: Korean Journal of Chemical Engineering. 2011 ; Vol. 28, No. 3. pp. 825-830.
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    abstract = "The mycelial growth kinetics, cadmium biosorption capacity and main governing biosorption mechanism of Pleurotus ostreatus (oyster mushroom) have been determined in this study. The fungus mycelium exhibits a sigmoidal (S-shaped) growth curve in which the growth rates for the lag and exponential phases are 0.1 and 0.31 g/L·day, respectively. The grown fungus is subjected to elemental, infra-red and scanning electron microscopy-energy dispersive x-ray spectroscopy analyses, while biosorption data are fitted to established adsorption isotherm models, namely, Langmuir, Freundlich and Dubinin-Radushkevich. It is strongly suggested that the main governing mechanism involved is chemisorption due to good fitting of biosorption data to Langmuir and Dubinin-Radushkevich models with possibility of involvement of both ion exchange and complexation. Data presented in the study are very useful for design of future pilot- or industrial-scale biosorption water purification systems.",
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    AU - Abdul-Talib, Suhaimi

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    AU - Suhaimi, Afiza Abdullah

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