Abstract
This work was aimed to establish the adsorptive properties of crayfish shell biochars for methylene blue dye removal. The adsorbents were prepared via pyrolysis at 650 and 800 °C and yield the surface area of 665 and 635 m2/g, respectively. The latter biochar, designated as CFB800, exhibits a dye adsorption capacity of 50.5 mg/g, which is nearly double that of the former (CFB650), with a capacity of 23.0 mg/g. The equilibrium capacity decreased with increasing adsorbent mass, but increased with increasing initial concentration and temperature. The equilibrium data fitted well with Langmuir model. The methylene blue adsorption onto crayfish shell biochars is favourable and spontaneous. Hence, crayfish shell is a promising resource of biochar to treat dye-containing wastewater.
Funding source: Research Management Centre, Universiti Teknologi Malaysia
Award Identifier / Grant number: UTM FR 23H09
Acknowledgments
ChatGPT was only used partly to improve the clarity and conciseness of some statements in the manuscript.
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Research ethics: Not applicable.
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Informed consent: ChatGPT was only used partly to improve the clarity and conciseness of some statements in the manuscript.
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Author contributions: Fadina Amran: Conceptualization, methodology, analysis, first draft. Muhammad Abbas Ahmad Zaini: Supervision, funding, resources, analysis, validation, review, final draft.
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Use of Large Language Models, AI and Machine Learning Tools: ChatGPT was only used partly to improve the clarity and conciseness of some statements in the manuscript.
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Conflict of interest: The authors state no conflict of interest.
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Research funding: This work is supported by the UTM Fundamental Research (UTMFR) with grant number UTMFR 23H09.
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Data availability: Not applicable.
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Artikel in diesem Heft
- Frontmatter
- Reviews
- Advances in extraction and sustainable utilization of cashew nut shell liquid (CNSL) for industrial applications
- A critical review on pyrolysis of maize biomass for bio-oil and biochar production with its potential outcomes
- Nanomaterials in solar still: recent advances and future perspectives
- Articles
- Production and characterization of sunflower stalk biochar and ash: a study on batch versus semi-batch gasifier systems
- Chemical activation of castor stalk-derived porous carbon for highly efficient CO2 adsorption in sustainable carbon capture applications
- Effect of hole diameter and number in vortex finders on flow field and performance of Stairmand gas cyclone
- Carbonation reaction in phosphogypsum waste conversion to calcium acetate: experiment and kinetic model study
- Numerical investigation of bubble growth and formation under quasi-static conditions
- Short Communications
- Equilibrium of methylene blue removal onto crayfish shell biochar
Artikel in diesem Heft
- Frontmatter
- Reviews
- Advances in extraction and sustainable utilization of cashew nut shell liquid (CNSL) for industrial applications
- A critical review on pyrolysis of maize biomass for bio-oil and biochar production with its potential outcomes
- Nanomaterials in solar still: recent advances and future perspectives
- Articles
- Production and characterization of sunflower stalk biochar and ash: a study on batch versus semi-batch gasifier systems
- Chemical activation of castor stalk-derived porous carbon for highly efficient CO2 adsorption in sustainable carbon capture applications
- Effect of hole diameter and number in vortex finders on flow field and performance of Stairmand gas cyclone
- Carbonation reaction in phosphogypsum waste conversion to calcium acetate: experiment and kinetic model study
- Numerical investigation of bubble growth and formation under quasi-static conditions
- Short Communications
- Equilibrium of methylene blue removal onto crayfish shell biochar