Synthesis of waterborne polyurethane-humic acid cross-linked biomass porous materials for the adsorption of methylene blue

Shanghong Ma; Jianbo Qu; Haitao Zhang; Xiubin Cui; Peng Ye; Qingfei Hu; Mingzhen Chao

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Synthesis of waterborne polyurethane-humic acid cross-linked biomass porous materials for the adsorption of methylene blue

Updated：2026-01-06

- Synthesis of waterborne polyurethane-humic acid cross-linked biomass porous materials for the adsorption of methylene blue
- Synthesis of waterborne polyurethane-humic acid cross-linked biomass porous materials for the adsorption of methylene blue
- 中国化学工程学报（英文版） 2024年67卷第3期页码：27-38
- Affiliations：
  
  1. State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences,Jinan,China,250353
  2. Faculty of Light Industry, Qilu University of Technology, Shandong Academy of Sciences,Jinan,China,250353
- Author bio：
- Funds：
  
  The work was supported by the National Natural Science Foundation of China (21704047);the Natural Science Foundation of Shandong Province (ZR2017BB078, ZR2021QE137);the Foundation of State Key Laboratory of Biobased Material and Green Papermaking (ZZ20190407);and the Major scientific and technological innovation projects of Shandong Province (2019JZZY020230).
- DOI：
  中图分类号：
- 纸质出版：2024
- Accepted：
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Shanghong Ma, Jianbo Qu, Haitao Zhang, 等. Synthesis of waterborne polyurethane-humic acid cross-linked biomass porous materials for the adsorption of methylene blue[J]. 中国化学工程学报（英文版）, 2024,67(3):27-38.

Shanghong Ma, Jianbo Qu, Haitao Zhang, Xiubin Cui, Peng Ye, Qingfei Hu, Mingzhen Chao. Synthesis of waterborne polyurethane-humic acid cross-linked biomass porous materials for the adsorption of methylene blue[J]. Chinese Journal of Chemical Engineering, 2024, 67(3): 27-38.
Shanghong Ma, Jianbo Qu, Haitao Zhang, 等. Synthesis of waterborne polyurethane-humic acid cross-linked biomass porous materials for the adsorption of methylene blue[J]. 中国化学工程学报（英文版）, 2024,67(3):27-38. DOI：

Shanghong Ma, Jianbo Qu, Haitao Zhang, Xiubin Cui, Peng Ye, Qingfei Hu, Mingzhen Chao. Synthesis of waterborne polyurethane-humic acid cross-linked biomass porous materials for the adsorption of methylene blue[J]. Chinese Journal of Chemical Engineering, 2024, 67(3): 27-38. DOI：

摘要

Abstract

A series of adsorbent materials (WPU-HA

) with a three-dimensional porous structure

green sustainability

and excellent performance were prepared and evaluated for the removal of methylene blue using nontoxic and environmentally friendly waterborne polyurethane as the matrix material and humic acid

a biomass material

as the functional material. The newly synthesized adsorbents were characterized by infrared spectroscopy

scanning electron microscopy

specific surface area

and thermogravimetric. The effects of contact time (0e8 h)

starting concentration (10e100 mg·L

-1

)

pH (3e11)

solution temperature (30-60 ℃)

and coexisting ions (Ca

) on the performance were investigated. Pseudo-first-order

pseudo-second-order

elovich

and intra-particle diffusion models were used to analyze the adsorption kinetics; the Langmuir

Freundlich

Temkin

and DubineRadushkovich adsorption isotherms were evaluated; and the adsorption behavior of the adsorbent materials was found to be more appropriate for the pseudo-second-order model for chemical pollutant removal than the Langmuir model

which depends on monolayer adsorption. WPU-HA

-3 stood out with a maximum adsorption capacity of 813.0081 mg·g

-1

fitted to the pseudo-second-order and 309.2832 mg·g

-1

fitted to the Langmuir model

showing superior adsorption performance and regenerability.

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