Cited by 654Adsorption and biosorption for pollutant removalThermochemical Biomass Conversion ProcessesEnvironmental remediation with nanomaterials

Sorption of naphthalene and 1-naphthol by biochars of orange peels with different pyrolytic temperatures

Chen, Baoliang, Chen, Zaiming·2009·Chemosphere

Abstract

Biochars, derived from biomass, are increasingly recognized as an environmental-friendly sorbent to abate organic pollutants. Sorption variations of biochars with their pyrolytic temperatures are evaluated. Nine biochars of orange peels with different pyrolytic temperatures (150-700 degrees C, referred as OP150-OP700) were characterized via elemental analysis, BET-N(2) surface area, and Fourier transform infrared spectroscopy. Sorption of naphthalene and 1-naphthol by the biochars in water are compared. Sorption isotherms varied from linear to Freundlich with increasing pyrolytic temperature. The respective contributions of adsorption and partition to total sorption were correlated with biochars' structural parameters. For OP150-OP600, sorption of 1-naphthol was significantly larger than naphthalene due to the former owning additional specific interactions. For 1-naphthol with high concentrations, the OP200 exhibited the maximal sorption capacity due to its largest partition and high adsorption among nine biochars. For 1-naphthol with low concentrations and naphthalene, the OP700 displayed the maximal sorption capacity. These observations provide a reference to the use of biochars as engineered sorbents for environmental applications.

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Crossref · 10.1016/j.chemosphere.2009.02.004

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Authors
Chen, B., & Chen, Z.
Affiliations
Zhejiang University (CN)
Corresponding author
Chen, Baoliang
Venue
Chemosphere
Publisher
Elsevier BV
Published
2009-06
Volume
76
Issue
1
Pages
127-133
ISSN
0045-6535 (ISSN-L)
OpenAlex
W2083918445
Cited by
654
References
25
Citations by year
2026: 19 · 2025: 33 · 2024: 45 · 2023: 36 · 2022: 55 · 2021: 57 · 2020: 62 · 2019: 45 · 2018: 53 · 2017: 56 · 2016: 35 · 2015: 50 · 2014: 40 · 2013: 27 · 2012: 17
FWCI
13.74
Type
journal article
Language
en
Open access
closed
Locations
  • Chemosphere (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China
  • Program for New Century Excellent Talents in University
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
  • Physical Sciences › Engineering › Biomedical Engineering › Environmental remediation with nanomaterials
Keywords
biochar, orange peel, pyrolysis temperature, naphthalene, 1-naphthol, organic pollutant sorption, Freundlich isotherm, adsorption, partitioning, biomass-derived adsorbents
MeSH terms
Adsorption, Charcoal, Naphthalenes, Naphthols, Temperature, Water Pollutants, Chemical, Spectroscopy, Fourier Transform Infrared, Citrus sinensis

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