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Pyrene-based sulfonated organic porous materials for rapid adsorption of cationic dyes in water.

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Title: Pyrene-based sulfonated organic porous materials for rapid adsorption of cationic dyes in water.
Authors: Zhu, Xiaodong1 (AUTHOR), Xue, Danxuan1 (AUTHOR), Gu, Linlin2 (AUTHOR) linlin_gu@njust.edu.cn, Li, Wenxin3 (AUTHOR) li17753299337@163.com, Xie, Aming4 (AUTHOR), Wang, Zhen4 (AUTHOR)
Source: Environmental Technology. Aug2023, Vol. 44 Issue 18, p2795-2806. 12p.
Subject Terms: *Adsorption (Chemistry), Porous materials, Basic dyes, Malachite green, Porous polymers, Cationic polymers, Methylene blue
Abstract: Porous organic polymers (POP) have gained attention because of their high specific surface area, porosity and their simplicity in synthesis, but for the most part, they are hydrophobic because of their organic backbone, making it difficult to expand their applications. Here, we have obtained poly(pyrene) porous organic polymers (PyPOP) through the polymerization of pyrene monomers catalysed by aluminium trichloride, which is a simple and inexpensive synthesis method. The sulfonated poly(pyrene) porous organic polymers (PyPOP-SO3H) obtained showed rapid adsorption of cationic dyes, especially malachite green (MG adsorption 1607 mg/g) and methylene blue (MB adsorption 1220 mg/g) in pH = 7 aqueous solution, room temperature. The results show that the Freundlich model is more in line with the adsorption process than the Langmuir model, whether for methylene blue or malachite green. In addition, the PSO kinetic model fits better than PFO kinetic model, whether it is for the adsorption of methylene blue or malachite green. The excellent adsorption performance of PyPOP-SO3H for cationic dyes may be due to the introduction of sulfonic acid groups, which not only increases the specific surface area but also allows better dispersion in water, increasing contact points and adsorption efficiency. This research expands the scope of exploration and application of POP. [ABSTRACT FROM AUTHOR]
Copyright of Environmental Technology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Pyrene-based sulfonated organic porous materials for rapid adsorption of cationic dyes in water.
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Technology%22">Environmental Technology</searchLink>. Aug2023, Vol. 44 Issue 18, p2795-2806. 12p.
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  Data: *<searchLink fieldCode="DE" term="%22Adsorption+%28Chemistry%29%22">Adsorption (Chemistry)</searchLink><br /><searchLink fieldCode="DE" term="%22Porous+materials%22">Porous materials</searchLink><br /><searchLink fieldCode="DE" term="%22Basic+dyes%22">Basic dyes</searchLink><br /><searchLink fieldCode="DE" term="%22Malachite+green%22">Malachite green</searchLink><br /><searchLink fieldCode="DE" term="%22Porous+polymers%22">Porous polymers</searchLink><br /><searchLink fieldCode="DE" term="%22Cationic+polymers%22">Cationic polymers</searchLink><br /><searchLink fieldCode="DE" term="%22Methylene+blue%22">Methylene blue</searchLink>
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  Data: Porous organic polymers (POP) have gained attention because of their high specific surface area, porosity and their simplicity in synthesis, but for the most part, they are hydrophobic because of their organic backbone, making it difficult to expand their applications. Here, we have obtained poly(pyrene) porous organic polymers (PyPOP) through the polymerization of pyrene monomers catalysed by aluminium trichloride, which is a simple and inexpensive synthesis method. The sulfonated poly(pyrene) porous organic polymers (PyPOP-SO3H) obtained showed rapid adsorption of cationic dyes, especially malachite green (MG adsorption 1607 mg/g) and methylene blue (MB adsorption 1220 mg/g) in pH = 7 aqueous solution, room temperature. The results show that the Freundlich model is more in line with the adsorption process than the Langmuir model, whether for methylene blue or malachite green. In addition, the PSO kinetic model fits better than PFO kinetic model, whether it is for the adsorption of methylene blue or malachite green. The excellent adsorption performance of PyPOP-SO3H for cationic dyes may be due to the introduction of sulfonic acid groups, which not only increases the specific surface area but also allows better dispersion in water, increasing contact points and adsorption efficiency. This research expands the scope of exploration and application of POP. [ABSTRACT FROM AUTHOR]
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  Label:
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  Data: <i>Copyright of Environmental Technology is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1080/09593330.2022.2044918
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      – Code: eng
        Text: English
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      – SubjectFull: Porous materials
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      – SubjectFull: Basic dyes
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      – SubjectFull: Malachite green
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      – SubjectFull: Porous polymers
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      – SubjectFull: Cationic polymers
        Type: general
      – SubjectFull: Methylene blue
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    Titles:
      – TitleFull: Pyrene-based sulfonated organic porous materials for rapid adsorption of cationic dyes in water.
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            NameFull: Zhu, Xiaodong
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            NameFull: Xue, Danxuan
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              M: 08
              Text: Aug2023
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              Y: 2023
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