Modification of Pineapple Peel Fiber as Metal Ion Adsorbent through Reaction with Succinic Anhydride in Pyridine and Dimethyl Sulfoxide Solvents: Fid-Bau Portal

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Modification of Pineapple Peel Fiber as Metal Ion Adsorbent through Reaction with Succinic Anhydride in Pyridine and Dimethyl Sulfoxide Solvents

Hu, Xiuyi / Zhao, Mouming / Huang, Huihua

Reactions between saponified pineapple peel fiber (SPPF) and succinic anhydride were performed in refluxed pyridine and dimethyl sulfoxide to obtain modified pineapple peel fiber in pyridine (MPPF‐PY) and modified pineapple peel fiber in dimethyl sulfoxide at room temperature (MPPF‐DM_RT) and at 70°C (MPPF‐DM₇₀) as novel metal ionic adsorbents. The modified pineapple peel fibers were characterized by Fourier transform infrared (FTIR) and X‐ray diffraction (XRD). The MPPF‐PY, MPPF‐DM_RT, and MPPF‐DM₇₀ showed higher Cu²⁺, Cd²⁺, and Pb²⁺ adsorption capacity than raw pineapple peel fiber (RPPF) and SPPF. Dimethyl sulfoxide favored introduction of a carboxylic function group into pineapple peel fiber compared with pyridine. The elevated reaction temperature of dimethyl sulfoxide could increase the adsorption capacity of the modified pineapple fiber. Optimum pH values for Cu²⁺, Cd²⁺, and Pb²⁺ removal by MPPF‐DM₇₀ were pH 5.5, 7.5, and 5.5, respectively. The Cu²⁺, Cd²⁺, and Pb²⁺ adsorptions by MPPF‐DM₇₀ followed the pseudo second‐order kinetics model and Langmuir model.

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Modification of Pineapple Peel Fiber as Metal Ion Adsorbent through Reaction with Succinic Anhydride in Pyridine and Dimethyl Sulfoxide Solvents

Hu, Xiuyi / Zhao, Mouming / Huang, Huihua

Reactions between saponified pineapple peel fiber (SPPF) and succinic anhydride were performed in refluxed pyridine and dimethyl sulfoxide to obtain modified pineapple peel fiber in pyridine (MPPF‐PY) and modified pineapple peel fiber in dimethyl sulfoxide at room temperature (MPPF‐DM_RT) and at 70°C (MPPF‐DM₇₀) as novel metal ionic adsorbents. The modified pineapple peel fibers were characterized by Fourier transform infrared (FTIR) and X‐ray diffraction (XRD). The MPPF‐PY, MPPF‐DM_RT, and MPPF‐DM₇₀ showed higher Cu²⁺, Cd²⁺, and Pb²⁺ adsorption capacity than raw pineapple peel fiber (RPPF) and SPPF. Dimethyl sulfoxide favored introduction of a carboxylic function group into pineapple peel fiber compared with pyridine. The elevated reaction temperature of dimethyl sulfoxide could increase the adsorption capacity of the modified pineapple fiber. Optimum pH values for Cu²⁺, Cd²⁺, and Pb²⁺ removal by MPPF‐DM₇₀ were pH 5.5, 7.5, and 5.5, respectively. The Cu²⁺, Cd²⁺, and Pb²⁺ adsorptions by MPPF‐DM₇₀ followed the pseudo second‐order kinetics model and Langmuir model.

Modification of Pineapple Peel Fiber as Metal Ion Adsorbent through Reaction with Succinic Anhydride in Pyridine and Dimethyl Sulfoxide Solvents

Hu, Xiuyi / Zhao, Mouming / Huang, Huihua

Reactions between saponified pineapple peel fiber (SPPF) and succinic anhydride were performed in refluxed pyridine and dimethyl sulfoxide to obtain modified pineapple peel fiber in pyridine (MPPF‐PY) and modified pineapple peel fiber in dimethyl sulfoxide at room temperature (MPPF‐DM_RT) and at 70°C (MPPF‐DM₇₀) as novel metal ionic adsorbents. The modified pineapple peel fibers were characterized by Fourier transform infrared (FTIR) and X‐ray diffraction (XRD). The MPPF‐PY, MPPF‐DM_RT, and MPPF‐DM₇₀ showed higher Cu²⁺, Cd²⁺, and Pb²⁺ adsorption capacity than raw pineapple peel fiber (RPPF) and SPPF. Dimethyl sulfoxide favored introduction of a carboxylic function group into pineapple peel fiber compared with pyridine. The elevated reaction temperature of dimethyl sulfoxide could increase the adsorption capacity of the modified pineapple fiber. Optimum pH values for Cu²⁺, Cd²⁺, and Pb²⁺ removal by MPPF‐DM₇₀ were pH 5.5, 7.5, and 5.5, respectively. The Cu²⁺, Cd²⁺, and Pb²⁺ adsorptions by MPPF‐DM₇₀ followed the pseudo second‐order kinetics model and Langmuir model.

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Title:

Modification of Pineapple Peel Fiber as Metal Ion Adsorbent through Reaction with Succinic Anhydride in Pyridine and Dimethyl Sulfoxide Solvents

Contributors:

Hu, Xiuyi (author) / Zhao, Mouming (author) / Huang, Huihua (author)

Published in:

Water Environment Research ; 82 ; 733-741

Publication date:

2010-08-01

Size:

9 pages

ISSN:

1554-7531 , 1061-4303

DOI:

https://doi.org/10.2175/106143009X12529484816150

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

pineapple peel fiber , metal ionic adsorbent , dimethyl sulfoxide , succinic anhydride‐modification

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