Cited by 297Adsorption and biosorption for pollutant removalCoagulation and Flocculation StudiesThermochemical Biomass Conversion Processes

Highly efficient adsorption of dyes by biochar derived from pigments-extracted macroalgae pyrolyzed at different temperature

Chen, Yi-di, Lin, Yen-Chang, Ho, Shih-Hsin, Zhou, Yan, Ren, Nan-qi·2018·Bioresource Technology

Abstract

Biochar is known to efficiently adsorb dyes from wastewater. In this study, biochar was derived from macroalgae residue by pyrolysis, and the influence of varying temperature (from 400 °C to 800 °C) on biochar characteristics was investigated. Among the biochar samples tested, macroalgae-derived biochar possessing highly porous structure, special surface chemical behavior and high thermal stability was found to be efficient in removing malachite green, crystal violet and Congo red. The biochar derived by pyrolysis at 800 °C showed the highest adsorption capacity for malachite green (5306.2 mg g-1). In this study, the transformation of microalgae residue into a highly efficient dye adsorbent is a promising procedure for economic and environmental protection.

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Crossref · 10.1016/j.biortech.2018.02.094

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Authors
Chen, Y.-D., Lin, Y.-C., Ho, S.-H., Zhou, Y., & Ren, N.-Q.
Affiliations
  • Harbin Institute of Technology (CN)
  • Chinese Culture University (TW)
  • Harbin Medical University (CN)
Corresponding author
Ho, Shih-Hsin
Venue
Bioresource Technology
Publisher
Elsevier BV
Published
2018-07
Volume
259
Pages
104-110
ISSN
0960-8524 (ISSN-L)
OpenAlex
W2791855448
Cited by
297
References
44
Citations by year
2026: 21 · 2025: 25 · 2024: 32 · 2023: 50 · 2022: 48 · 2021: 42 · 2020: 40 · 2019: 27 · 2018: 11
FWCI
13.15
Type
journal article
Language
en
Open access
closed
Locations
  • Bioresource Technology (publishedVersion)
  • PubMed (publishedVersion)
  • Chinese Culture University Repository (submittedVersion)
Funders
  • State Key Laboratory of Urban Water Resource and Environment
  • Harbin Institute of Technology (2016TS07)
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Adsorption and biosorption for pollutant removal
  • Physical Sciences › Environmental Science › Water Science and Technology › Coagulation and Flocculation Studies
  • Physical Sciences › Engineering › Biomedical Engineering › Thermochemical Biomass Conversion Processes
Keywords
biochar, seaweed, pyrolysis temperature, dye adsorption, malachite green, crystal violet, Congo red, porous structure, surface chemistry, thermal stability, wastewater treatment
MeSH terms
Adsorption, Charcoal, Coloring Agents, Seaweed, Temperature

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