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author:

Hu, H. (Hu, H..) [1] | Jiang, B. (Jiang, B..) [2] | Wu, H. (Wu, H..) [3] | Zhang, J. (Zhang, J..) [4] | Chen, X. (Chen, X..) [5]

Indexed by:

Scopus

Abstract:

In this work, a biochar was prepared from bamboo (Acidosasa edulis) shoot shell through slow pyrolysis (under 300–700 °C). Characterization with various tools showed that the biochar surface was highly hydrophobic and also had more basic functional groups. Batch sorption experiments showed that the biochar had strong sorption ability to perrhenate (a chemical surrogate for pertechnetate) with maximum sorption capacity of 46.46 mg/g, which was significantly higher than commercial coconut shell activated carbon and some adsorbents reported previously. Desorption experiments showed that more than 94% of total perrhenate adsorbed could be recovered using 0.1 mol/L KOH as a desorption medium. Pearson correlation analysis showed that the recovery of perrhenate by the biochars was mainly through surface adsorption mechanisms involving both high hydrophobicity and high basic sites of biochar surface. © 2016 Elsevier Ltd

Keyword:

Adsorption; Biochars; Perrhenate; Pertechnetate; Physicochemical properties

Community:

  • [ 1 ] [Hu, H.]School of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 2 ] [Jiang, B.]School of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 3 ] [Wu, H.]Hualu Engineering & Technology Co., LTD, Xian, Shanxi 710065, China
  • [ 4 ] [Zhang, J.]School of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350116, China
  • [ 5 ] [Chen, X.]National Engineering Research Center for Chemical Fertilizer Catalyst, School of Chemical Engineering, Fuzhou University, Fuzhou, Fujian 350002, China

Reprint 's Address:

  • [Hu, H.]School of Chemical Engineering, Fuzhou UniversityChina

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Source :

Journal of Environmental Radioactivity

ISSN: 0265-931X

Year: 2016

Volume: 165

Page: 39-46

2 . 3 1

JCR@2016

1 . 9 0 0

JCR@2023

ESI HC Threshold:265

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 27

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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