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author:

Shen, Ying (Shen, Ying.) [1] (Scholars:沈英) | Li, Huan (Li, Huan.) [2] | Zhu, Wenzhe (Zhu, Wenzhe.) [3] | Ho, Shih-Hsin (Ho, Shih-Hsin.) [4] | Yuan, Wenqiao (Yuan, Wenqiao.) [5] | Chen, Jianfeng (Chen, Jianfeng.) [6] (Scholars:陈剑锋) | Xie, Youping (Xie, Youping.) [7] (Scholars:谢友坪)

Indexed by:

EI Scopus SCIE

Abstract:

The feasibility of the bioremediation of cadmium (Cd) using microalgal-biochar immobilized complex (MBIC) was investigated. Major operating parameters (e.g., pH, biosorbent dosage, initial Cd(II) concentration and microalgal-biochar ratio) were varied to compare the treatability of viable algae (Chlorella sp.), biochar and MBIC. The biosorption isotherms obtained by using algae or biochar were found to have satisfactory Langmuir predictions, while the best fitting adsorption isotherm model for MBIC was the Sips model. The maximum Cd(II) adsorption capacity of MBIC with a Chlorella sp.: biochar ratio of 2:3 (217.41 mg g(-1)) was higher than that of Chlorella sp. (169.92 mg g(-1)) or biochar (95.82 mg g(-1)) alone. The pseudo-second-order model fitted the biosorption process of MBIC well (R-2 > 0.999). Moreover, zeta potential, SEM and FTIR studies revealed that electrostatic attraction, ion exchange and surface complexation were the main mechanisms responsible for Cd removal when using MBIC.

Keyword:

Biochar Biosorption Cadmium Chlorella sp. Immobilized

Community:

  • [ 1 ] [Shen, Ying]Fuzhou Univ, Coll Mech Engn & Automat, Fuzhou 350116, Fujian, Peoples R China
  • [ 2 ] [Li, Huan]Fuzhou Univ, Coll Mech Engn & Automat, Fuzhou 350116, Fujian, Peoples R China
  • [ 3 ] [Zhu, Wenzhe]Fuzhou Univ, Coll Mech Engn & Automat, Fuzhou 350116, Fujian, Peoples R China
  • [ 4 ] [Shen, Ying]Collaborat Innovat Ctr High End Equipment Mfg Fuj, Fuzhou 350116, Fujian, Peoples R China
  • [ 5 ] [Ho, Shih-Hsin]Fuzhou Univ, Coll Biol Sci & Engn, Fuzhou 350116, Fujian, Peoples R China
  • [ 6 ] [Chen, Jianfeng]Fuzhou Univ, Coll Biol Sci & Engn, Fuzhou 350116, Fujian, Peoples R China
  • [ 7 ] [Xie, Youping]Fuzhou Univ, Coll Biol Sci & Engn, Fuzhou 350116, Fujian, Peoples R China
  • [ 8 ] [Yuan, Wenqiao]North Carolina State Univ, Dept Biol & Agr Engn, Raleigh, NC 27695 USA

Reprint 's Address:

  • 谢友坪

    [Xie, Youping]Fuzhou Univ, Coll Biol Sci & Engn, Fuzhou 350116, Fujian, Peoples R China

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Source :

BIORESOURCE TECHNOLOGY

ISSN: 0960-8524

Year: 2017

Volume: 244

Page: 1031-1038

5 . 8 0 7

JCR@2017

9 . 7 0 0

JCR@2023

ESI Discipline: BIOLOGY & BIOCHEMISTRY;

ESI HC Threshold:231

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 104

SCOPUS Cited Count: 117

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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