Cited by 265Adsorption and biosorption for pollutant removalEnvironmental remediation with nanomaterialsCoagulation and Flocculation Studies

Enhanced Lead Sorption by Biochar Derived from Anaerobically Digested Sugarcane Bagasse

Inyang, Mandu, Gao, Bin, Ding, Wenchuan, Pullammanappallil, Pratap, Zimmerman, Andrew R., Cao, Xinde·2011·Separation Science and Technology

Abstract

This study examined the ability of two sugarcane bagasse biochars to remove lead from water. The sorption of lead by biochars made from raw (BC) and anaerobically digested sugarcane bagasse (DBC) was compared with a commercial activated carbon (AC) using batch sorption experiments. DBC was a more effective sorbent of lead from water than AC, and far more effective than BC. The maximum lead sorption capacity of DBC (653.9 mmol kg−1) was about double that of AC (395.3 mmol kg−1) and about twenty times higher than that of BC (31.3 mmol kg−1). Post-sorption characterizations using X-ray diffraction (XRD) and scanning electron microscopy (SEM) indicated that the enhanced sorption of lead by DBC was at least partly related to a precipitation mechanism, while surface adsorption was the principal mechanism of sorption of lead onto BC. These results suggest that biochars made from bagasse and other agricultural residues may be effective alternative, low-cost environmental sorbents of lead or other metals. In addition, the enhanced lead sorption ability of the digested bagasse biochar introduces the possibility of developing a novel carbon production method to use anaerobic digestion as a means of biological activation to create high-efficiency sorbents.

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Crossref · 10.1080/01496395.2011.584604

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Authors
Inyang, M., Gao, B., Ding, W., Pullammanappallil, P., Zimmerman, A. R., & Cao, X.
Affiliations
  • University of Florida (US)
  • Chongqing University (CN)
  • Shanghai Jiao Tong University (CN)
Corresponding author
Gao, Bin
Venue
Separation Science and Technology
Published
2011-07-15
Volume
46
Issue
12
Pages
1950-1956
ISSN
  • 0149-6395 (ISSN-L)
  • 1520-5754
OpenAlex
W1986610323
Cited by
265
References
36
Citations by year
2026: 12 · 2025: 11 · 2024: 16 · 2023: 21 · 2022: 16 · 2021: 29 · 2020: 29 · 2019: 20 · 2018: 19 · 2017: 20 · 2016: 11 · 2015: 17 · 2014: 18 · 2013: 17 · 2012: 9
FWCI
13.68
Type
journal article
Language
en
Open access
closed
Locations
Separation Science and Technology (publishedVersion)
Funders
  • U.S. Department of Agriculture
  • University of Florida
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
  • Physical Sciences › Environmental Science › Water Science and Technology › Coagulation and Flocculation Studies
Keywords
lead sorption, biochar, anaerobic digestion, sugarcane bagasse, heavy metal removal from water, activated carbon, precipitation mechanism, surface adsorption, agricultural waste valorization, low-cost adsorbent

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