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Sunflower Stalks as Adsorbents for Color Removal from Textile Wastewater
Abstract
Sunflower stalks as adsorbents for two basic dyes (Methylene Blue and Basic Red 9) and two direct dyes (Congo Red and Direct Blue 71) in aqueous solutions were studied with equilibrium isotherms and kinetic adsorptions. The maximum adsorptions of two basic dyes on sunflower stalks are very high, i.e., 205 and 317 mg/g for Methylene Blue and Basic Red 9, respectively. The two direct dyes have relatively lower adsorption on sunflower stalks. The adsorptive behaviors of sunflower stalk components are different. The pith, which is the soft and porous material in the center of stalks, has twice the adsorptive capacity of the skin. Particle sizes of sunflower stalks also affect the adsorption of dyes. The adsorption rates of two basic dyestuffs are much higher than that of the direct dyes. Within 30 min about 80% basic dyes were removed from the solutions.
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Cited by
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De Gisi, S., Lofrano, G., Grassi, M., & Notarnicola, M. (2016) · Sustainable Materials and Technologies · doi:10.1016/j.susmat.2016.06.002 · Cited by 1,676
Low-Cost Adsorbents: Growing Approach to Wastewater Treatment—a Review
Gupta, V. K., Carrott, P. J. M., Ribeiro Carrott, M. M. L., & Suhas (2009) · Critical Reviews in Environmental Science and Technology · doi:10.1080/10643380801977610 · Cited by 1,085
Agricultural based activated carbons for the removal of dyes from aqueous solutions: A review
Demirbas, A. (2009) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2008.12.114 · Cited by 788
Adsorption of methylene blue onto hazelnut shell: Kinetics, mechanism and activation parameters
Doğan, M., Abak, H., & Alkan, M. (2009) · Journal of Hazardous Materials · doi:10.1016/j.jhazmat.2008.07.155 · Cited by 600
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Metadata
- Authors
- Sun, G., & Xu, X.
- Venue
- Industrial & Engineering Chemistry Research
- Publisher
- American Chemical Society (ACS)
- Published
- 1997-03-01
- Volume
- 36
- Issue
- 3
- Pages
- 808-812
- ISSN
- 0888-5885 (ISSN-L)
- 1520-5045
- OpenAlex
- W1990574636
- Cited by
- 219
- References
- 0
- FWCI
- 2.49
- Type
- journal article
- Language
- en
- Open access
- closed
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- Sun, G., & Xu, X. (1997). Sunflower Stalks as Adsorbents for Color Removal from Textile Wastewater. Industrial & Engineering Chemistry Research. https://doi.org/10.1021/ie9603833
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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