Sorption performance and mechanism of a sludge-derived char as porous carbon-based hybrid adsorbent for benzene derivatives in aqueous solution

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Sorption performance and mechanism of a sludge-derived char as porous carbon-based hybrid adsorbent for benzene derivatives in aqueous solution

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作者：Lingjun Kong^a ; Ya Xiong^a ; ^b ; ^{cesxya@mail.sysu.edu.cn" class="auth_mail} ; Lianpeng Sun^a ; ^b ; Shuanghong Tian^a ; ^b ; Xianyan Xu^c ; Cunyuan Zhao^c ; Rongshu Luo^a ; Xin Yang^a ; ^b ; Kaimin Shih^d ; Haiyang Liu^e
关键词：Sludge char ; Hierarchical pores ; Adsorption ; SiO2 ; Phenol ; Benzoic acid
刊名：Journal of Hazardous Materials
出版年：15 June 2014
年：2014
卷：274
期：Complete
页码：205-211
全文大小：1890 K

文摘

•: Hierarchical porous sludge char were fabricated by pyrolysis at 500 °C.
•: A stronger Si–O bond (1.83 Å and 1.87 Å) between the carboxyl and SiO₂ was found.
•: Quantum chemistry calculation confirmed the interaction of Si–O and H–O bonds.
•: Multiple model (Q_T = Q_A + K_PCe) was presented in the sludge char sorption process.

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